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dead bootloader what to do next

I've got a dead bootloader. My device doesn't upgrade thru SD and not with USB. can somebody please help me because i realy don't know what to do. My device is dead for almost 3 weeks now
[edit]
Even my backup on SD doesn't load. And this happend after i downgrade the radio version of the well know greek rom
[/edit]

nobody?
Is there a solution to flash only the bootloader?

I think you need to add some more info, if anyone should have a chance to help. For example what happened when it died - how and why? What happens if you remove the battery cover, replaces it and turns on the device? Text on screen, like USB or Serial? Have you tried uploading ROM from different PCs?
The more info you provide, the more likely it is that someone recognizes your situation from own experience and can provide some help.

HBK said:
I think you need to add some more info, if anyone should have a chance to help. For example what happened when it died - how and why? What happens if you remove the battery cover, replaces it and turns on the device? Text on screen, like USB or Serial? Have you tried uploading ROM from different PCs?
The more info you provide, the more likely it is that someone recognizes your situation from own experience and can provide some help.
Click to expand...
Click to collapse
You are totaly right.
I have update my frvice with the wrong greek rom and now i have the 15 sec reboot thing.
When I startup my device he ends up the bootloader and the only way to get the device booting to windows is remove the battery cover. But the her reboots again after the 15 seconds.
In the bootloader i tried to load my backup with the SD card but nothing happens. I also tried to load a ROM with MaUpgradeUt_NoID but nothing happens. I only get empty version thing.
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If i use the regular MaUpgradeUt and change the file change.bat for the xda3nbftool I get a error "error 201: get device data error".
I also tried to backup my device with the wrong ROM on it, to look at the header but nothing happens (romupdate.exe).
So my conclusion is that my bootloader is dead. Please correct me when i'm wrong but if this is the case how can i correct my bootloader.

When you unplug your Magician from the USB cable, what do you see?
If you see (with the backlight OFF) "Serial v1.00" or similar, thats a WORKING bootloader.
Make sure you have Active Sync DISABLED (right click the taskbar icon, click "Connection Settings..." the uncheck "Available by USB".
You should then plug in the USB cable and it should change to "USB v1.00" or similar.
Your PC may detect the connection as new hardware - that is a good sign that you have Active Sync disabled.
Let the New Hardware Wizard do it's thing, then re-run the upgrade setup and it should work.
If not, you've got BIG problems.

guess I'm in big trouble
The only thing i can do, is trying a different pc without ASync. On the current pc i'm working on, USB in activesync is disabled.
Are there any posibilties to reload (rebuilt, update) Bootloader.
Can somebody please help me.

The bootloader is built in as it's own ROM, and I've never seen a utility that can make it writeable. I doubt you've destroyed your bootloader, but that doesn't help you - sounds like you'll have to bite the bullet, act dumber than you are, and return it to the manufacturer for a repair - and probably pay for the privilege.

KevinL said:
The bootloader is built in as it's own ROM, and I've never seen a utility that can make it writeable. I doubt you've destroyed your bootloader, but that doesn't help you - sounds like you'll have to bite the bullet, act dumber than you are, and return it to the manufacturer for a repair - and probably pay for the privilege.
Click to expand...
Click to collapse
:shock:
But isn't it strange that if you can't destroy it, it doesn't work anymore? And isn't there somebody who had the same problem?

Before you give up, try this:
Try using another USB cable.
I have experimented many times to realise that the upgrading process does require matching with the right cable.

I noticed that in the screenshot you posted, there is no info on what the device will be upgrade to! I could be wrong, but this may well mean that your device is incompatible with the ROM you are trying to upload.
Try downloading another ROM and give it a go. The best thing would be, if you can find one made specifically for your brand, ie Qtek, I-mate or whatever, and DON'T patch it. Just let the original installer do the job...

Talents said:
Before you give up, try this:
Try using another USB cable.
I have experimented many times to realise that the upgrading process does require matching with the right cable.
Click to expand...
Click to collapse
I'm using the cable that came with my device so that can't be wrong. But i could give it a try.
HBK said:
I noticed that in the screenshot you posted, there is no info on what the device will be upgrade to! I could be wrong, but this may well mean that your device is incompatible with the ROM you are trying to upload.
Try downloading another ROM and give it a go. The best thing would be, if you can find one made specifically for your brand, ie Qtek, I-mate or whatever, and DON'T patch it. Just let the original installer do the job...
Click to expand...
Click to collapse
There isn't a orignal rom fot the dutch T-mobile MDA. And if you use a original installer, it uses ActiveSync. And i can't boot windows because it restarts after 15 seconds so I can't use ActiveSync.

Why can't you use an original ROM updater, if you have the Greek resetting ROM installed? I believe a lot of us has done so without any problems, including me. I don't remember precisely what I did, but it was no problem whatsoever. Most likely I just entered bootloader mode first, to keep the Magician from resetting...

HBK said:
Why can't you use an original ROM updater, if you have the Greek resetting ROM installed? I believe a lot of us has done so without any problems, including me. I don't remember precisely what I did, but it was no problem whatsoever. Most likely I just entered bootloader mode first, to keep the Magician from resetting...
Click to expand...
Click to collapse
I really tried everything but without any results. I realy don't know why i can't use the original ROM updater.

I have the similar problem, but mine one doesnt even start windows. It always go into the bootloader mode and stays there. I try upgrading it, but it gives me communication errors.

Do this
This is what you do.
Disconnect your JAm from USB
Go from your PC , ACTIVESYNC > FILE > CONNECTION SETTINGS > remove the check mark for ALLOW USB CONNECTION TO THIS DESKTOP COMPUTER
Now connect your JAM to your PC again via USB, this time active sync should not start since you have disabled USB
Now double click on the installer file of the original ROM and you should be good to go
After Reset , enable USB ,
Go from your PC , ACTIVESYNC > FILE > CONNECTION SETTINGS > Put a check mark for ALLOW USB CONNECTION TO THIS DESKTOP COMPUTER

MDA dead
I have tried.... it's not responsing as it should be.

Stuck in Bootloader!

Well I think I'm gonna be sick....
Help me please. I killed my baby!!!!!
ohhh maybe not ok I won't freak. I took the risk.
Sorry bout that just whinning out loud. Here is my sotuation. I wanted to upgrade my rom to mario's 9.6 over at ppcgeeks. I thought I followed all the rules but I got stuck in the bootloader mode I think. All I get is a dark screen that says serial when not connected to cable or usb when it is. (oooooooooh its bad it hurts) Ok, I disconnected it from comp tried to launch the rom exe after I sft reset. It went to bootload and nothing works now no sft or hrd reset. Did I kill her? ( It really hurts. Please say it aint so. Ill tack it all back) I'll stay away from rom updates forever !!! Just give her back to me un harmed)

There's a tutorial for Stuck In bootloader somewhere... please search...
For thoose who stuck in bootloader this is how to unstuck:
1. Get Mtty here:
http://rapidshare.com/files/28321691/mtty1.42.zip.html
2. Right Click Activesync icon in tray, and select connection setting, then un-mark Allow USB connections at Activesync Connection settings.
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3. Extract the zip file and Run mtty.exe and select USB from the Port dropdows list and then click OK button.
4. press Enter two times for showin USB>
5. Type:
set 14 0
[ENTER]
task 8
[ENTER]
(for soft-reset).
6. Ur device should reset and u might close mtty utility.
7. Done.
ur device should be just fine... if not try to re-flash the OS again while in Bootloader (press and hold POWER+RECORD button then press RESET)
re-enable/re-mark Activesync after this proccess might necesarry, to allow USB Connection again for enablin Activesync ur pda with ur PC.

u r the best man..
hugi

Praise you Helmi!!!
You are AWWWWsome. I followed your instructions and my baby lives.
I am stuck with mario 9.6 rom but that ain't bad compared to a bricked phone.
I am interested in how to cook my own rom. I'm gonna keep readin though cause I apparently have a lot to learn.

our hero
Helmi_c is my hero.

Damn Helmi_c you saved my phone

Seriously Stuck
Helmi...
I'm in the same boat except I cannot use mtty because I do not have an option for USB, only COM1 and 2......I also tried another utility I found on ppcgeeks called uni_exitbootloader without success. The details can be found here:
http://www.ppcgeeks.com/cant-update-rom-now-stuck-in-bootloader-t7982.htmlhttp://www.ppcgeeks.com/cant-update-rom-now-stuck-in-bootloader-t7982.html
My question is What can I do now???
Any thoughts....Anyone?????

GOD BLESS YoURE HART OMGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG URRRRRRRRRRRA GENIOSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS

tip for Mac OS X
I tried several times to run the mtty.exe program without success. I was running WinXP inside Parallels and each time I connected the PPC6700 to the Mac, Parallels told me that another program was using the PPC6700. After acknowledging that message mtty would not show me a USB connection.
Finally I hit on the idea of rebooting my Mac and booting directly into Windows (I used BootCamp to create a separate Windows partition). Obviously this way, Parallels was not involved. mtty immediately showed me a USB option, and 10 seconds later my unit was rebooting successfully.
Many, many thanks! Un abrazo muy fuerte!
S

same thing
im not seeing usb what should i do im using windows xp

Stuck too
I don't know if this is related but a I had no response from my xv6700 so I hooked it up and it would reboot over and over to the white Verizon screen. Later it gave just a white screen with an off-white "skunk line" down the screen. Now It doesn't reboot and I have just a red blinking light. I tried popping the battery when this first started with no luck as well as a hard reset using option 3 (2 function keys and pin-hole reset).
I turned USB connections off in my Vista Mobile Device center but I still don't get a USB option in mtty.
Is there anything I can do or is it bricked?
Thanks for the great forum!

I have since moved on to the titan, but it is very difficult to brick these phones. Can you get into bootloader? if i remember its camera + power + soft reset button (i think), once in that you can flash a new rom like the verizon stock to get back to basics. you should be doing this all in XP, not vista. I think some people could, but i never flashed in vista, xp was tried and true and never failed me (only reason i still have my crappy laptop with XP!)

Thanks
Thanks for the reply Friguy33. Somehow, a miracle I think, it started to come back with the initial setup but it still reboots itself throughout the process and after. The battery is drained and it reports that once the today screen comes up but instead of just starting to charge it, something else I think causes it to reboot.
Prior to reboot the screen dims about 40%. I tried those three buttons but nothing new has happened and no boot loader screen. I don't understand why it keeps rebooting.

helmi_c said:
There's a tutorial for Stuck In bootloader somewhere... please search...
For thoose who stuck in bootloader this is how to unstuck:
1. Get Mtty here:
http://rapidshare.com/files/28321691/mtty1.42.zip.html
2. Right Click Activesync icon in tray, and select connection setting, then un-mark Allow USB connections at Activesync Connection settings.
3. Extract the zip file and Run mtty.exe and select USB from the Port dropdows list and then click OK button.
4. press Enter two times for showin USB>
5. Type:
set 14 0
[ENTER]
task 8
[ENTER]
(for soft-reset).
6. Ur device should reset and u might close mtty utility.
7. Done.
ur device should be just fine... if not try to re-flash the OS again while in Bootloader (press and hold POWER+RECORD button then press RESET)
re-enable/re-mark Activesync after this proccess might necesarry, to allow USB Connection again for enablin Activesync ur pda with ur PC.
Click to expand...
Click to collapse
OMG!! it worked. Thank you so much. You are the best!!

Maddddd LOVE!!!
I Love Helmi_C

forgetting
you are forgetting to go into activesync and shut off the usb connections, then unplug your apache, then reboot the apache, plug it in, then rerun mtty. you dont have to reboot the apache, but i have always found it to be best.

This still isnt working for me. I tried the way on ppcgeeks too. =/

I, I can´t too.
I connect, usb are there, but when i go for 4 step, on program show "Cmd>" not "USB>"... USB show only title of window... i put step 14 0 fornt Cmd, shoe again Cmd and after put Task 8 and show invalid command!
Someone can help me?

I, I can´t too.
I connect, usb are there, but when i go for 4 step, on program show "Cmd>" not "USB>"... USB show only title of window... i put step 14 0 fornt Cmd, shoe again Cmd and after put Task 8 and show invalid command!
Someone can help me?

The easiest way to get outa bootloader is to hard reset a few times (it's gonna go back into to bootloader each time) then disable your ActiveSync/Windows Mobile Device Center USB connections and re-flash. Works for a wuite a few people I know. Give it a try.

Phone isn't reconized in Windows Vista

Hello members,
I recently bought a new PC, running on Windows Vista Ultimate. I had to install Microsoft Mobile Device Center for syncronization (instead of Active Sync for Windows XP), so I did.
As far as I know I installed it the way it should be.
So here come's the problem;
I wanted to flash a new rom, so I connected my device to my pc to establish a connection with Microsoft Mobile Device Center,
but the phone isn't even reconized in Vista, therefore I can't flash a new rom on the device.
I tried al my USB ports and did a hard reset on the device, but that didn't work.
The phone is a MDA Vario 4, with MRom 1.63. I never had problems on XP with synchronizing so im pretty sure the Rom is not the problem, but I don't know what is..
How can I fix this so I can flash my device using WMDC in Vista

32 or 64bit vista ?

Rudegar said:
32 or 64bit vista ?
Click to expand...
Click to collapse
I have 32 bit Vista.

It works great with Window Vista Home Premium 64bit. Is your settings familiar with mines?
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i think this might help you, im assuming that your phone is recognized as a when you want to sync it but when you want to flash a rom it will not find the phone, if this is the case here you go http://forum.xda-developers.com/showthread.php?t=291723, hope it helps

try unchecking that checkbox for enable quick ....

Depending on whether it is if you want to flash or not...
If it is just to sync, I had this problem too and the solution was to delete the profile in ActiveSync on the phone and then reconnect. (I think - it was a while ago).
As per the first pic in xhypnotik's post, try unchecking the box for "enable faster data sync". If this doesn't work, try deleting the profile on the phone...

I had a similar issue. See if running Windows Update on Vista works. For some reason the driver for Device Center didn't automatically download for me. It was on of the updates under Windows Update though.

Before I start, thx all for your reply's, your help is much appreciated.
xhypnotik said:
It works great with Window Vista Home Premium 64bit. Is your settings familiar with mines?
-IMAGE-
-IMAGE-
-IMAGE-
-IMAGE-
Click to expand...
Click to collapse
I have the same settings, but nothing happens when I connect my Phone to PC.
rmjjjt said:
Depending on whether it is if you want to flash or not...
If it is just to sync, I had this problem too and the solution was to delete the profile in ActiveSync on the phone and then reconnect. (I think - it was a while ago).
As per the first pic in xhypnotik's post, try unchecking the box for "enable faster data sync". If this doesn't work, try deleting the profile on the phone...
Click to expand...
Click to collapse
MimoG3 said:
i think this might help you, im assuming that your phone is recognized as a when you want to sync it but when you want to flash a rom it will not find the phone, if this is the case here you go http://forum.xda-developers.com/showthread.php?t=291723, hope it helps
Click to expand...
Click to collapse
Thx for your reply's, but my phone isnt reconized at all. So I can't do anything at all on my computer, no flasing, no synchronizing, I can't even acces the phone's memory card, even if I select the Disk Drive option.
As soon as I connect my phone to my computer Windows Vista just says,
"The usb device is not recognized".
sto110 said:
try unchecking that checkbox for enable quick ....
Click to expand...
Click to collapse
Tried this to, didn't did anyting to
mattyman said:
I had a similar issue. See if running Windows Update on Vista works. For some reason the driver for Device Center didn't automatically download for me. It was on of the updates under Windows Update though.
Click to expand...
Click to collapse
I did an update just some moments ago, it installed some updates, but it didn't install any update's for the WMDC..

I took the check mark off "Enable Advance Network Functionality"...seemed to recognize my Fuze

smittyj26 said:
I took the check mark off "Enable Advance Network Functionality"...seemed to recognize my Fuze
Click to expand...
Click to collapse
Vista still not reconizing. It just shows the unknown device message when I connect it to USB, so there isn't anything I can do.

I made some screenshots of the message I get when I connect my device;
When I click on the message, I get the following screen;
When I go to my computer, there isn't any device I can click on..

Try plugging in some other devices instead of the phone into your USB port and see if that message appears. You might need to update your drivers or install it.

xhypnotik said:
Try plugging in some other devices instead of the phone into your USB port and see if that message appears. You might need to update your drivers or install it.
Click to expand...
Click to collapse
Did that too. I tried an external HD storage device, an MP3 player, and my printer, which is USB connected. Al devices are working properly, except the phone. When I connect it, and want to install drivers for it, it simply just says, that there aren't any available.

I fixed the problem.
Very weird, I accidently tried another USB cable and that did the trick. It installed all the drivers automatically and now the device is reconized, so problem is solved.
Thanks everyone for your input!

AjiNn said:
Hello members,
I recently bought a new PC, running on Windows Vista Ultimate. I had to install Microsoft Mobile Device Center for syncronization (instead of Active Sync for Windows XP), so I did.
As far as I know I installed it the way it should be.
So here come's the problem;
I wanted to flash a new rom, so I connected my device to my pc to establish a connection with Microsoft Mobile Device Center,
but the phone isn't even reconized in Vista, therefore I can't flash a new rom on the device.
I tried al my USB ports and did a hard reset on the device, but that didn't work.
The phone is a MDA Vario 4, with MRom 1.63. I never had problems on XP with synchronizing so im pretty sure the Rom is not the problem, but I don't know what is..
How can I fix this so I can flash my device using WMDC in Vista
Click to expand...
Click to collapse
Could you please check your outlook? maybee this has the problem. i told you this, because i have same problem, and my problems root beggin from outlook!!!

USB and ADB Not recognized on Nexus S I9023 ???

Hi!
I disconnected by accidently the USB cable while the phone was at the ClockWorkMod Recovery v5.0.2.0/-mounts and storage/-mount USB storage.
Now the problem is he does not want to connect the USB or even the ADB. When I connect to the PC via USB cable the only indicate that the battery is charging. I connected it ( to see if it works) at on the laptop with win7 sp1 with full update and with internet active , but Nexus S is still the same (no way for connecting usb or adb). The big problem now is that the Windows no longer sees it.
I can manage /sdcard with Root_explorer , but I cant mount it even Auto Mount. I can install any rom from my /sdcard( that it's work) . Waiting for your answer ( I still have CWM Recovery 5.0.2.0- I have not tried android 2.3.3 stock version for fear of running out clokworkmod recovery ). Thank's in advanced....

perhaps cable damage?
Nexus S's USB slot is Micro USB , it's easy to buy one cable of this port
and did you see this(red line) in your computer ?
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"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
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what does it appear when you connect to computer in hardware manager ?
did you set "debugging mode" ?
actually i have experienced this very same problem on other device , it can recharge via USB but no mount disk , and problem was solved after i brought a new cable ...

1 what does it appear when you connect to computer in hardware manager ?
2 did you set "debugging mode" ?
3 actually i have experienced this very same problem on other device , it can recharge via USB but no mount disk , and problem was solved after i brought a new cable ..
1 Nothing.....
2 Yes ( I have no change in the settings ..before it was wark well)
3 what cable ? I tried 3 diferent cable usb and no change ( including usb cable on Samsung Galaxy S II).
Thank's....but nothing work for now , just recharge via USB.

Hey Surdu, I have the same problem with my Nexus S, and so does a lot of other Nexus owners. I have googled this problem many times and the only solution I have come across was somewhere on code.Google.com.
Turn of your phone, and take out the battery for a minute or two, and then put it back in and boot your phone.
For me, this problem comes again and again, and all I can do is pull the battery once more.
Hope this was of help, good luck.
Sent from my Nexus S using xda premium

maybe phone's USB port's damaged?

qtwrk said:
maybe phone's USB port's damaged?
Click to expand...
Click to collapse
Unfortunately I think you're right !
I tried almost everything but no success. Now I have installed 2.3.3 and after that I get google update to 2.3.6. ( However do not forget that the battery is charging when is connected on the PC via usb)

Turn of your phone, and take out the battery for a minute or two, and then put it back in and boot your phone.
For me, this problem comes again and again, and all I can do is pull the battery once more.
Hope this was of help, good luck.
I tried several times (I left and five minutes without battery) - no result

I tried to connected it on ubuntu 11.10, windows xp, windows 7 ( via usb cable) , but unfortunately with no result. When connecting the USB cable nothing happens with all the operating systems, only the battery is charging.
When reboot the phone I can see the icon and the message on status bar :
Preparing usb storage.....I can manage usb storage (/sdcard with Astro or Es FilesExplorer)... I have installed Auto Mount SDcard , (checking on) Enable SD card Auto-Mounting - but when I connected usb cable nothing happens --Does this mean that the externel boot partition is broken ??? I have no ideea

My nexus s had an issue where it wouldn't mount USB, turns out the little metal flap insider the port had bent slightly and used a small screwdriver to bend it back into place, works flawlessly now!
Sent from my Nexus S

Does anyone have any better idea ???
I tried almost everything....I certainly have led to service !

Format the sd card. I had this problem before and this fixed it

red_skittles said:
Format the sd card. I had this problem before and this fixed it
Click to expand...
Click to collapse
Thank you but nothing change with format sdcard.

I'm having the exact same problem.
Did you manage to solve it ?

Anyone?I also have this problem..
Sent from my Nexus S using xda premium

Hi again Surdu, I have installed Brainmasters MIUI ROM, and now USB mount works everytime. Go figure..
Sent from my Google Nexus S using xda premium

Hi!
Thanks for your advice , but now I have another big problem :http://forum.xda-developers.com/showthread.php?t=1067815

swaipa said:
Hi again Surdu, I have installed Brainmasters MIUI ROM, and now USB mount works everytime. Go figure..
Sent from my Google Nexus S using xda premium
Click to expand...
Click to collapse
Thanks...but now if you try to install another ROM , usb work well ? If it's work just in Brainmaster MIUI ROM , that is not a solution for this big problem.
Thanks anyway!

anyone who have this problem..
try this..
plug your phone to usb cable...
reboot to recovery
choose mount and storage
mount data(then you will hear sound that usb connected to your computer)
unplugged
restart your phone
wait till your phone finished loading
now right connect your phone to computer again

al_madd said:
anyone who have this problem..
try this..
plug your phone to usb cable...
reboot to recovery
choose mount and storage
mount data(then you will hear sound that usb connected to your computer)
unplugged
restart your phone
wait till your phone finished loading
now right connect your phone to computer again
Click to expand...
Click to collapse
Thanks....but when restart the phone , he enters on bootloader because I have nothing on the phone even sdcard.
I have just Bootloader and CWM 5.0.2.0 installed, ADB and Fastboot not recognize my phone and I cant mount sdcard on CWM because it's nothing heppends if I check -mount/sdcard after that -mount USB storage.
I have SDK 14 and all the driver update for Nexus S on my windows7.
( I tried all the possibilities wipe all, format all , partition SD card ...all with no result)
Thank you very much if you can help me !!!
You can see my bad story : http://forum.xda-developers.com/showthread.php?t=1067815 #8

anyone can help us??

[Q] Nexus S USB Mount Problems [Q]

My phone can only charge but not be recognized on USB, when I plug it into my computer it says it's unrecognizable from my computer (like an error pops up). It wasn't like this before I installed the new update to the cygeonmod rom. I tried going back to stock gingerbread, other roms. Like at least 4 roms i've tried I just don't know what to do now. Any Ideas?

Are you trying to access the storage or use development tools (like adb) via USB?
Also, have you tried with a different USB port (preferably one on the motherboard of your computer)?

WindSlash said:
Are you trying to access the storage or use development tools (like adb) via USB?
Also, have you tried with a different USB port (preferably one on the motherboard of your computer)?
Click to expand...
Click to collapse
I'm just trying to access the storage, I've tried different usb ports but it just keeps saying USB Device Not Recognized.

I'm assuming you're using Windows... can you go under Device Manager and see if there is one with an exclamation mark (!) when your device is plugged in?

WindSlash said:
I'm assuming you're using Windows... can you go under Device Manager and see if there is one with an exclamation mark (!) when your device is plugged in?
Click to expand...
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yes theres and exclamation mark when I plug it in and it says (!) Unknown Device.

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Anyone got any solutions?

tdog1o1 said:
My phone can only charge but not be recognized on USB, when I plug it into my computer it says it's unrecognizable from my computer (like an error pops up). It wasn't like this before I installed the new update to the cygeonmod rom. I tried going back to stock gingerbread, other roms. Like at least 4 roms i've tried I just don't know what to do now. Any Ideas?
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Had the same problem and it ended up being a faulty USB cable. Pretty unlikely, but try a different cable and see if that helps.

XK72 said:
Had the same problem and it ended up being a faulty USB cable. Pretty unlikely, but try a different cable and see if that helps.
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I've tried different usb cables with different computers and with different usb slots in each computer. Nothing works. Is it possible that my nexus s is missing a file allowing me to connect usb to my computer? Because every computer I use it says USB DEVICE NOT RECOGNIZED so I was just wondering if that's the case.

tdog1o1 said:
I've tried different usb cables with different computers and with different usb slots in each computer. Nothing works. Is it possible that my nexus s is missing a file allowing me to connect usb to my computer? Because every computer I use it says USB DEVICE NOT RECOGNIZED so I was just wondering if that's the case.
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It sounds like your problem can be isolated to the phone, but I'm not familiar with working in a Windows environment. I'd try booting into (the phone's) Recovery and seeing if you can mount the drive from there. Might help you isolate whether or not your issue is related to a particular volume.

XK72 said:
It sounds like your problem can be isolated to the phone, but I'm not familiar with working in a Windows environment. I'd try booting into (the phone's) Recovery and seeing if you can mount the drive from there. Might help you isolate whether or not your issue is related to a particular volume.
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I tried that going into the phone's recovery mode and plugging in the usb cord and it still says the same thing. When I go into further like clicking the message it gives me a Code 43 warning on my computer. I also tried hard factory resetting my phone when I was on the phone with Samsung and that didn't work either. Everything was fine before I flashed Cygenmod rom on my phone everything was perfect.

tdog1o1 said:
I tried that going into the phone's recovery mode and plugging in the usb cord and it still says the same thing. When I go into further like clicking the message it gives me a Code 43 warning on my computer. I also tried hard factory resetting my phone when I was on the phone with Samsung and that didn't work either. Everything was fine before I flashed Cygenmod rom on my phone everything was perfect.
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Have you installed the drivers from http://developer.android.com/sdk/win-usb.html?

XK72 said:
Have you installed the drivers from http://developer.android.com/sdk/win-usb.html?
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I tried it and nothing is working.

Can you go back to Device Manager?
Double click on the "Unknown Device", then click on "Details" tab, under "Property", select "Hardware Ids", and take a screenshot of what's there?

WindSlash said:
Can you go back to Device Manager?
Double click on the "Unknown Device", then click on "Details" tab, under "Property", select "Hardware Ids", and take a screenshot of what's there?
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Click to collapse
Here you go.

Interesting... now let me ask you from another angle, with the phone connected and USB debugging on, are you able to access the phone using adb devices / fastboot?

download and install PDANet
worked like a charm for me, installed my usb drivers to my phone which i had problems with just like you.

WindSlash said:
Interesting... now let me ask you from another angle, with the phone connected and USB debugging on, are you able to access the phone using adb devices / fastboot?
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No i'm not able to access it with fastboot or adb devices. All it says is USB device not recognized.

Nexus S Woes
I had the exact same story and errors as tdog1o1, and the ONLY fix I found useful was on an mp3 forum.
" I had code 43 problems with my usb ports until I found a thread on MSI's website. My front panel usb ports connected to a 9 pin usb header on the motherboard. Only 8 pins are needed. If pin 9 has a black ground wire then remove it. I didnt give this fix much hope but it fixed my problems! "
After many hours of driver installs, front usb port changes, and a dozen reboots, this actually worked!
I merely used the USB at the back of the computer and Voila!
Looks Wind Slash nailed it at the beginning of this thread.

Nexus S
I am having the exact problem, have found a solution.