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[Q] Phone not recognizing USB cord at all

I'm running Darky's 6.0 Rom with xcaliburinhand's kernel. I began to realize my phone wouldn't charge when I plugged it into the charger. I tried flashing to stock using odin but once I'd get into download mode via the long-press menu when pressing the power button (because other methods that involve plugging in the cord and pushing buttons doesn't work since it's not recognizing the cable). I don't think it's a faulty cable or port since everything was working before I flashed the ROM. Anyone have any ideas on how to get the computer to recognize the phone so I can flash stock??
edit: When I do plug in the phone to the computer, I'll sometimes get a message saying the device isn't recognized.
(And yes I do have drivers installed.)
Also, I tried flashing other ROMs via CWM but I get error messages on all that I try. Such as can't mount .dev/block/st19 and can't mount SYSTEM
Edit: After a while I've noticed that it in fact is charging but the battery icon doesn't show it's charging. And in settings it shows it's not charging. But battery level is increasing

Have you tried a different computer to see if the usb port is bad?
Sent from my SAMSUNG-SGH-I897 using XDA App

Does it charge when you plug it into an ac adapter? You can also try reinstalling the drivers and see if that helps and/or try a different usb port. I've had issues with the drivers before.

Also try a different cable. My cable became defective somehow where xp no longer recognized it, yet would still show charging on the phone. All was back to normal after I got another "data/sync" cable.
Sent from my SAMSUNG-SGH-I897 using XDA App

I don't have a different computer to try it on but I've tried different ports. It's not the computer because it still won't show it's charging when I plug into the wall. And yes I think it does charge when it's plugged into a wall but it doesn't show it or turn on when I plug the cord into the phone. I don't think it's hardware. It has to be software since it just happened when I flashed the ROM. Also whenever I open contacts I get a force close of acore (a little off-topic, but still another issue). I also have tried reinstalling drivers. But also, it doesn't work when plugged into a wall charger. So it's definitely nothing with the computer

I just need to know if anyone knows how to force the computer to recognize the phone so I can flash to stock and hopefully that'll resolve the issue
update: I also tried v7 via CWM and no luck still.

Well I update xcaliburinhand's kernel by transferring it over bluetooth and that installed fine over CWM. Then I tried updating Darky's rom to v7 and that worked too. I booted up and got a million FC's. Tried to get into recovery and it just sits at AT&T screen. It's very tricky to even boot up the phone, and even when I do I can't do anything because of all the Force closes. I can't get back into recovery mode with any button combinations and when i try via the power long press I can get into download mode fine, but I still have the issue with the computer not recognizing it, so it's useless. Anyone have any ideas????? I'm getting sick at staring at this AT&T boot screen for so long. I have no idea of what to do next. Someone please help!!

Sorry to say it, but it sounds like your phone has serious hardware problems.

opcow said:
Sorry to say it, but it sounds like your phone has serious hardware problems.
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Click to collapse
Is there nothing I can do? Because I'm pretty sure I'm way past return date, and I didn't have a warranty.

well it sounds that you have messed it up. your installation is probably wrong somewhere, in fact i am even sure, but i dont want to hurt anybody.
do a clean install from scratch starting everything with ODIN (ie download mode)
first off all load a ancien but correct kernel, because in fact you don't even know what you lagfix is. load one of the zenkins kernels (ya-ok) no matter one of the recent ones.
start and go back into recovery, and adjust lagfix to ext4 only. not ext4/ext2
don't use not either the integrated voodoo.
it will format everything.
the again into recovery and disable lagfix
that will then reformat everything into rfs, that what it's needed.
then you go again into reboot and flash one of the ancien .tar files like xwjpa.
and then it shoudl startup.
and you can take it from there.

zoubidou said:
well it sounds that you have messed it up. your installation is probably wrong somewhere, in fact i am even sure, but i dont want to hurt anybody.
do a clean install from scratch starting everything with ODIN (ie download mode)
first off all load a ancien but correct kernel, because in fact you don't even know what you lagfix is. load one of the zenkins kernels (ya-ok) no matter one of the recent ones.
start and go back into recovery, and adjust lagfix to ext4 only. not ext4/ext2
don't use not either the integrated voodoo.
it will format everything.
the again into recovery and disable lagfix
that will then reformat everything into rfs, that what it's needed.
then you go again into reboot and flash one of the ancien .tar files like xwjpa.
and then it shoudl startup.
and you can take it from there.
Click to expand...
Click to collapse
Please read earlier posts... I cannot get into recovery mode and the computer won't recognize download mode.

mikel.canovas said:
Is there nothing I can do? Because I'm pretty sure I'm way past return date, and I didn't have a warranty.
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Click to collapse
Unless you have a bad USB cable causing all the weirdness with both charging and the PC connection, but that wouldn't explain all the other strange errors. It sounds to me like the phone is terminally ill.

opcow said:
Unless you have a bad USB cable causing all the weirdness with both charging and the PC connection, but that wouldn't explain all the other strange errors. It sounds to me like the phone is terminally ill.
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Click to collapse
Doesn't there have to be a way to revert to stock if it's all because of the ROM? I really don't want to just give up and throw away a semi-new Captivate and have to break contract to buy another one.

mikel.canovas said:
Doesn't there have to be a way to revert to stock if it's all because of the ROM? I really don't want to just give up and throw away a semi-new Captivate and have to break contract to buy another one.
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Click to collapse
I've seen no accounts of bad flashes causing problems like you described. Particularly the phone not being detected in download mode and the AC charging funkiness. Besides, you already tried reflashing it and not only did that not help, it revealed all sorts of other symptoms.

opcow said:
I've seen no accounts of bad flashes causing problems like you described. Particularly the phone not being detected in download mode and the AC charging funkiness. Besides, you already tried reflashing it and not only did that not help, it revealed all sorts of other symptoms.
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Ok. Thanks. If anyone else has any other ideas. Please post

I've had the Captivate for around 4 months. Does anyone know if I short out the phone and say it got really hot then shut off, they will exchange it?

mikel.canovas said:
I've had the Captivate for around 4 months. Does anyone know if I short out the phone and say it got really hot then shut off, they will exchange it?
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Click to collapse
Or you could just rob a liquor store and use the proceeds to buy a new one.

TF not connecting to PC / Can't get into APX mode

Used Nvflash to root a while back ago. Worked flawlessly.
Started having problems where the TF was not connecting up to the PC (both laptop and desktop). No problems charging. I know there's something going on cause when I plug the TF into the USB port, the screen comes on. When I unplug it the screen comes on.
Thought it possibly was the the ROM (Prime 1.7). Wiped caches and re-installed. Nothing. Wiped data & caches and re-installed Prime 1.7 from scratch. Nothing. Wiped data & caches and installed Prime 1.6. Nothing.
Everything works fine other than I cannot get the TF connected (detected) on the PC and I cannot get into APX mode. I'm sure they're related. Did a search for not being able to get into APX mode and found a couple but no help.
I can get into recovery and see the tf in adb. Don't know what else I should be looking at.
[Update]
Just got the TF back from Asus. Missed it sooo much.
The ticket inside said they couldn't find any problems with it.
By the time the TF was off to Asus, I got my extra charger and cable. Tried the new usb cable and bam, device found. Most likely I was in APX mode but due to the cable, would have never known. The odd thing is the cable charges both the TF and the dock perfectly. All that for a f-n cable.
Now I'm fighting with Asus to replace my cable.
I hope this finds its way into others having the same issue.

Are you trying with a Linux machine or Windows?
Make sur you have all the required drivers installed for windows. APX requires additional ones....
On linux you will not see the device automatically when in APX but you can execute the nvflash script

Unfortunately I only have Windows machines.
When I press Volume Up + Power, I get nothing. It doesn't detect there's an APX device in my device manager for me to even install the drivers.
Also tired Volume Up + Volume Down + Power and nothing

Went back to total stock and I still can't get into APX mode and can't connect to the PC.
Talked to Asus support and they're stumped. Was told they had to research and get back to me.
Sent from my HTC Glacier using XDA Premium App

This just happened to me. I booted HC then went to applications. Disabled/re-enabled USB debugging, then I went to device manager on windows and clicked "Scan for Hardware changes". It worked after that.

Tried that method as well.
Sent it off to Asus on a RMA. Crossing my fingers
Sent from my HTC Glacier using XDA Premium App

So this just randomly happens to me the day before I am supposed to sell it to someone. I went to nvflash it back to stock and noticed this issue. You said you restored it back to stock before you sent the RMA in, how did you go about doing so? I'd like to get it fixed so I can sell a functional unit.
Thanks

I'm also facing the same problem with my pc/laptop not detecting the TF101. The service center is of no help and they just give me the usual answers - try other pc, check the cable etc.
Moreover, I cannot go into recovery mode even with all the necessary drivers installed. Only a green droid with an exclamation mark.
I've no problem rooting the tf on older firmware. Wondering if the bootloader is locked.

I think it sounds like the usb cable as the op said it fixed his issue. I'm looking around for one to test on.
Sent from my DROID BIONIC using xda premium

Im on prime 1.7 and just experienced difficulty connecting, but can still charge. I just started the troubleshooting and found this thread. Disappointed, yet happy that its probably only the cable.

Well do you get any response from your computer? Anything, like a sound? a error installing drivers? a unknown device? Are you using the docking keyboard? Also this may not be the case but make sure you dont have a USB hub or anything extra on it. You can also try connecting it to the computer and open device manager and click scan for hardware changes. See if something new comes up. I have a couple more extensive ways of testing but let me know if this helps.

frankc123 said:
Well do you get any response from your computer? Anything, like a sound? a error installing drivers? a unknown device? Are you using the docking keyboard? Also this may not be the case but make sure you dont have a USB hub or anything extra on it. You can also try connecting it to the computer and open device manager and click scan for hardware changes. See if something new comes up. I have a couple more extensive ways of testing but let me know if this helps.
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I recently tried to flash to different rom and got stuck in the Asus screen. And now I can't do anything with the tablet. It only shows as unknown devices on my pc. Any thought what happened and how to fixed it? I'm really appreciate your help

The new infuse drives me mad

Okay, to make it short, I've brought home a Samsung Infuse for testing. It's not even a day yet and it's showing one hell of a problem already. Firstly, I can't install the right drivers for it. I've used Kies and tried downloading every drivers I can find but no, the phone won't even connect as mass storage. I tried going into download mode by holding the volume keys and insert the usb cable but it only gets in download mode once every 20 tries or so, the other times it just boots right into the OS. In the rare cases of successful download mode, Odin won't recognize the phone. I used SGH-i997-UCKJ4-One-Click and finally it said the phone is connected, but intructed me to install the right drivers. So I did exactly as it said but the whole process of reinstalling drivers just repeats. I put the cm7 and mosaic ROMs in the phone using wifi and flashed them, here I met another problem, the phone keeps getting into car mode. I disabled it, and the phone changed orientation although I tried disabling it back and forth. I'm raging at it here, does anybody know about these problems or should I throw the infuse at the seller's face?

Hollywings said:
Okay, to make it short, I've brought home a Samsung Infuse for testing. It's not even a day yet and it's showing one hell of a problem already. Firstly, I can't install the right drivers for it. I've used Kies and tried downloading every drivers I can find but no, the phone won't even connect as mass storage. I tried going into download mode by holding the volume keys and insert the usb cable but it only gets in download mode once every 20 tries or so, the other times it just boots right into the OS. In the rare cases of successful download mode, Odin won't recognize the phone. I used SGH-i997-UCKJ4-One-Click and finally it said the phone is connected, but intructed me to install the right drivers. So I did exactly as it said but the whole process of reinstalling drivers just repeats. I put the cm7 and mosaic ROMs in the phone using wifi and flashed them, here I met another problem, the phone keeps getting into car mode. I disabled it, and the phone changed orientation although I tried disabling it back and forth. I'm raging at it here, does anybody know about these problems or should I throw the infuse at the seller's face?
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sounds like an issue with the usb port not the drivers.
try cleaning it, or you may need to send it to samsung for repair. if you dont want to do that then i'd make you an offer on it, but you might be insulted at what id pay for a "broken" device.

Something I ran in to as well, I ended up using the ports on the back of my PC.
Something else too ... I ended up using a Blackberry USB cable.
Hope this helps
Sent from my SAMSUNG-SGH-I997 using XDA App

I couldn't get my infuse to transfer files to my computer but then I changed cords it worked so try that.
Sent from my SGH-I997 using xda premium

Yea not an issue with infuse but the USB port. My laptop connects to it if I use the secondary or tertiary USB ports.
Sent from my SGH-I997 using XDA App

people read the whole post. his issue is not limited to computer connectivity. the phone goes into car mode on its own. car mode is triggered by a simple resistor in the car dock. different resistor values will put the phone in the different dock modes, Adam outler had a bunch on information on USB standards when he made his own captivate car mount. what is going on is most likely that a piece of semi conducive material is trapped in USB port on the phone or the port is otherwise damaged on the phone. there could also be some physical issue or calibration issue with the chip that controls the USB. I have seen similar issues on my own phone and seen atleast one post with issues identical to mine.
the seller sold it for a reason.

Phone Bricked?

My phone will not go into download mode. The phone seems like it is dead no lights nothing. But when I plug in the phone in my computer it shows up as a Mass Storage Device. Then after about 10 secs it disconnects itself and then reconnects right back and it keeps on doing this. Anyone have any ideas?

Does the battery charge screen come up when it's plugged into the wall? Since your computer is seeing the device it is not bricked.
My Theory:
Your USB port on the phone is probably starting to go bad. You may not be getting a full charge which is why nothing shows up. When you plug it into the computer it gets a small charge and shows up. Then the port get wiggled and it loses connection.
If this is the case, you might want to get the usb port repaired before you attempt to flash anything.
If you're feeling daring, try using a jig to put your device into download mode. Wait until Odin sees your device and then flash back to stock without moving the phone.
WARNING: Disconnecting during the flash could cause additional problems. Make sure to choose a stock 1 click ODIN WITHOUT BOOTLOADERS.

I dont think anything is wrong with the USB port as this started to happen after I ran the "I897UCKK4 Odin One Click - Stock, CONTAINS Bootloaders, Re-partition, Full Wipe" It also said that everything was successful and rebooted the phone, but instead of a reboot it went to a black screen.
Does the battery charge screen come up when it's plugged into the wall? Since your computer is seeing the device it is not bricked.
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Click to collapse
No nothing comes up at all. :-(

You sir are displaying signs of it being a hard brick. This usually happens when something goes wrong while flashing bootloaders. You should try all the various methods to get to download mode (a jig will be your best best). If you can get heimdall or odin to recognize your phone you will be able to save it.
If you can't get into download mode via jig, then it is a sad day. You will need to contact someone to Unbrick the phone. Josh over at mobile tech videos could repair the device. He's an XDA member and does great work.

But if your computer can see it as mass storage then its not hard brick. Hard brick won't even turn on and computer won't recognize the life of my phone back then. I plug it in a wall or pc and nothing would show.
Try making a jig just in case or buy one and see if you can get download mode.
Edit: Your USB port gone bad. Type mobiletechvideos.com on your browser. They have a repair for that.
Sent from my SGH-I897 using XDA

[Q] Infuse Stuck at Boot

I have installed a rom on my phone today but when it powers up, it gets stuck on the Samsung screen. I have tried putting it into download mode to restore to factory and start over, the problem is that I cannot get neither Odin nor Heimdall to recognize that the phone is plugged in and in download mode. On a windows machine, the device manager doesn't even pick up the phone is plugged in. The windows machine is the one I usually use for this procedure.
I have a Ubuntu machine as well that I am trying to use but it isn't recognizing the phone either.
Any suggestions besides toss it out the window on a busy freeway?
Thanks in advance.

Hi Try switching different usb cable and port some time they play in mysterious ways . Also i had this experience when i flashed for the first time.
http://forum.xda-developers.com/showthread.php?p=24993662
Here qkster and other have some suggestion that worked for me. Hope it may help you.
Sent from my SAMSUNG-SGH-I997 using xda premium

Thanks for the suggestions....not the first time I have flashed this phone. I originally had Dman's Catyrom which is really nice...then I went to CM7....then back to CatyRom Extreme edition...then CM9 but was too buggy still so I wanted to revert back to CatyRom again. I put the rom on but think I chose the wrong update file and now its locked up on the Samsung screen. Been on that screen for hours with no luck. Have tried Heimdall, Odin...but nothing ever recognizes the phone plugged in. I have 2 different USB cables for it and both of them have always been used to charge it and flash it. One stays at home for flashing and charging...one stays in my truck for charging while on the road.
Guess its toast now...if so...no biggie...it was a 29cent phone from ATT store. Just go buy another.

Still no luck. Using a different cable...different computer all together. I have installed Kies and tried Odin as well on this computer (Win 7). Still no luck. I am in download mode but no computer nor software thus far has even detected the phone being plugged in. I have uninstalled and reinstalled the drivers a few times but will not detect the device.
My guess is that the phone is really too far gone. Guess I will have to toss it now.

Dude don't toss it. Give it to a Dev or get $40 JTAG repair.
Sent from my SAMSUNG-SGH-I997 using XDA

Why not trying to change the charging port. Sometimes those phones will not be recognized by the computer due to a broken charging port. It may charged it but woould not be read by the computer, sometimes they dont charge but the computer can communicate. So i would go for the charging port first.