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[Q] Computer no longer recognizes USB

After flashing EB v2.5 I could no longer acess files via usb cord, I have since switched to Phoenixblood v1.1 with the same results. Upon searching for similar issues I have found there are many people with this same problem and cannot seem to find a resoultion, I have tried different drivers with no luck. Here are some qoutes from others with the same issue:
I love it! It's the fastest rom I've ever used! But like all other roms I flash I cant use USB mass storage . suggestions anyone?
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I am having the exact same problem. It only charges. Other than that there is no other indication either from the computer or the phone that it is even plugged into the computer. Really cramping my style. I am sure I speak for you in saying anyone's help on the matter would be greatly appreciated.
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Hey all thanks in advance for any help. Ive been using weapon for a while now but got sick of the fc's so decided to try out eaglesblood. Ive installed it twice now and followed the instructions each time but I cant get my computer to mount my phones storage. It does make a noise when i connect it, so i know it sees my phone. And my phone gives me the option to use as mass storage but nothing happens. Any ideas? Does anyone else have problems with this?
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I would post this in the related ROM thread, but I cannot since im new, any help would be greatly appreciated!

jacko147 said:
After flashing EB v2.5 I could no longer acess files via usb cord, I have since switched to Phoenixblood v1.1 with the same results. Upon searching for similar issues I have found there are many people with this same problem and cannot seem to find a resoultion, I have tried different drivers with no luck. Here are some qoutes from others with the same issue:
I would post this in the related ROM thread, but I cannot since im new, any help would be greatly appreciated!
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Different USB? Sometimes they can "die."

I tried a different cable and a different computer with a different op sys

just for the sake of troubleshooting, can you take a screenshot of your device manager before and after you plug it in? I had my phone randomly do something similar, but I just wiped my system and reinstalled the drivers and all was fine, different problem than yours but any information you can give us is helpful.

happened to me... what i did was turn on usb debugging with the usb storage and apparently it work...

I noticed I couldn't mount USB mass storage on CM7 or clockwork recovery....using multiple computers. I fixed this by installing the LG USB drivers on my desktop....I've had no issues since. Though I had previously tried the same thing with my laptop and it didn't work.

If turning USB debugging off then on doesn't work I reinstall the drivers. Its happened to me once or twice and that seems to do the trick.
Get my app: Speakerphone Volume Control

USB connecting problem.

Hello guys!
I have been using my 1+1 since september. Everything was allright! I have changed rom and kernel many times, so it means that i have got my ADB installed and know something about tweaking a phone. I say that, becouse last time i asked for a help, i heard only simple solutions. I already tried them all.
So, my problem is:
When i connect my phone to PC 1+1 start to charge, but PC can`t see him. I have tryed it on 4 different pc (all windows 8 or 8,1 (64)) and 2 different cables (native and my old one). All PC can`t even find 1+1 in device manager. Ofcourse i have confirmed USB-debugging, MTP etc. This problem suddenly appeared without a reason.
So i used native reset function and now my phone got no Root and Recovery. I don`t know what to do. Any ideas?

Any help. guys?

Still need help

Did you update your SDK?

If you're using the original USB cable that came with the phone try swapping it with a non-OPO cable.

TheManDroid said:
If you're using the original USB cable that came with the phone try swapping it with a non-OPO cable.
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test with another PC?

Two other OPO users had similar issues and it turned out to be the original cable. That is why I'm suggesting a different cable.

I have used another cable and 3 different PC. Still cant find my phone!
updated SDK but it didnt help

Weird. Try uninstall all driver. Then re-install back OPO driver. I think that is not cable issue since you have tried different pc and cable. Hmmm really weird.
---------- Post added at 04:07 AM ---------- Previous post was at 04:02 AM ----------
@xanthrax need your help on this. Really weird problem. What do you think?
Just need your experience

i`m a bit confuse here
on the first post he says " after reset , no root no recovery"
what`s the status now ?
try pdanet app, it comes with universal adb drivers

i already installed reinstalled uninstalled drivers. i hae tryed all manipulations with drivers
etm my phone has no recovery or root, beacouse i did factory reset (thought it might help). so i cant install another rom (beacouse cant use abd fastboot or recovery)
any other ideas??
maybe its problem with phone usb port

Did you try like what xanthrax said? Try it first then let us know it help or not.
Weird. Charge can detected but not showed up on your pc. Hmm

rafiuddinrozman said:
Did you try
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i have tryed to install that app to pc and opo. useless. still cant find drivers. seems like the problem is in my phones usb port ((

Use your warranty bro. Goodluck mate !

It happens when one of the pins for data gets f****d up so most probably nothing to do... USB hub replacement
Unrecognized by 4 different pc's and cables doesn't sound good at all
Sent from my Darkside of 1+1

A bit of an emergency...

Hey there, guys and gals,
I'm having a bit of an issue here, and it's somewhat serious.
The issue is as follows. I have Android 5.0.1 on my Nexus 5. When I connect my computer to my laptop... nothing.
Nothing at all. It doesn't show up in device manager, not even as unknown. Fastboot doesn't detect it, nor does ADB. I can't do anything, and it's scaring me. I don't know how I could have broken it, but I need to know how to fix it.
I'm happy to do whatever to get it working, so please help...
Update: Tried to factory reset, to see if it would fix the issue. It's stuck "Erasing...", and won't go further. I'm afraid my phone may be hard-bricked... Is it possible to reflash these using JTAG, and if so is there anyone that can assist with that process?

CypherX1389 said:
Hey there, guys and gals,
I'm having a bit of an issue here, and it's somewhat serious.
The issue is as follows. I have Android 5.0.1 on my Nexus 5. When I connect my computer to my laptop... nothing.
Nothing at all. It doesn't show up in device manager, not even as unknown. Fastboot doesn't detect it, nor does ADB. I can't do anything, and it's scaring me. I don't know how I could have broken it, but I need to know how to fix it.
I'm happy to do whatever to get it working, so please help...
Update: Tried to factory reset, to see if it would fix the issue. It's stuck "Erasing...", and won't go further. I'm afraid my phone may be hard-bricked... Is it possible to reflash these using JTAG, and if so is there anyone that can assist with that process?
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Is it stock or what? are you rooted?

Also , keep in mind that the factory reset can take up to 30 minutes.
IMO it sounds like a busted cable/usb port on either side / incorrect drivers.
Edit : JTAG is not possible on our devices , access is locked from the chipset itself.

Are u on Windows 8.1 if so I had a problem with Windows thinking that my phone was a acer and I had to go the driver settings and manually tell it that it was a ADB USB connection then it would connect fine also could be USB cable I found the nexus 5 to be very picky about cables

Sometimes I get that but it solves by going into dev and checking and unchecking usb debugg, but sounds more like a busted usb plug

Have you considered that you may be using incorrect drivers on your PC? This issue can be caused by having improperly installed drivers.

dkconor said:
Have you considered that you may be using incorrect drivers on your PC? This issue can be caused by having improperly installed drivers.
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Alxhn said:
Sometimes I get that but it solves by going into dev and checking and unchecking usb debugg, but sounds more like a busted usb plug
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xstokerx said:
Are u on Windows 8.1 if so I had a problem with Windows thinking that my phone was a acer and I had to go the driver settings and manually tell it that it was a ADB USB connection then it would connect fine also could be USB cable I found the nexus 5 to be very picky about cables
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Niflheimer said:
Also , keep in mind that the factory reset can take up to 30 minutes.
IMO it sounds like a busted cable/usb port on either side / incorrect drivers.
Edit : JTAG is not possible on our devices , access is locked from the chipset itself.
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AndreIrawan97 said:
Is it stock or what? are you rooted?
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Right. I'll address you all at once for ease.
Firstly, the USB connector functions fine. My USB-OTG cable still allows me to access files on a flash drive.
Secondly, drivers can't be an issue in this case. It won't even enumerate the device in device manager. As if the phone simply isn't plugged in.
Thirdly, Win8 isn't the issue, as I"ve had this phone connected to this computer many, /many/ times.
So it must be a problem within Android 5.0.1
But here's the problem. In order to install anything else, I'd have to install a recovery. In order to that, I need root. In order to root, I need USB. I'm lost, guys...

I just had an idea does towel root work on 5.0 if so u could try that?

xstokerx said:
I just had an idea does towel root work on 5.0 if so u could try that?
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Hmm... That might work. I'll take a look. But if it succeeds, then something gets broken later in the process, this thing is a paperweight, right?
Edit: According to http://forums.androidcentral.com/an...29-rooting-nexus-5-towelroot.html#post4125236 Towelroot will never be possible on Lollipop. I didn't go much further than that though...

Ya I just read that to bummer
Edit: as of now there is no way to root without pc sounds like u may have some sort of hardware failure I'm guessing only way to fix is to send it in and that's 150 bucks min

xstokerx said:
Ya I just read that to bummer
Edit: as of now there is no way to root without pc sounds like u may have some sort of hardware failure I'm guessing only way to fix is to send it in and that's 150 bucks min
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Well... This happened when I updated via OTA (after reinstalling the stock recovery) to 5.0.1 after 5.0. I did this all over USB. Immediately thereafter, it quit. I got it to boot, btw. The erasing problem fixed itself, and it's now running, but the USB is still stuffed. This is sounding more like software than hardware. Almost as if whatever chip talks via USB lost it's own firmware somehow.

Cable or driver 95% sure. Did you try connecting it to a windows 7 /linux pc ? And ... u can never be sure but try connecting to a usb2.0 port. I had those issues when I accidentally plugged my cable in my frontal panel ( usb3.0)

A few months ago I had the same problem, my phone got not recognized by adb or fastboot. I played around a whole day with drivers and stuff like that. At the end I found a post on the internet describing that not all USB cables are able to do adb connections and I should try the original USB cable that came with my Nexus 5. So I looked for that particular cable and hey presto it worked right away.

And 2$ usb cables do break over time. They might still charge , but one cold solder joint and no connection

CypherX1389 said:
Secondly, drivers can't be an issue in this case. It won't even enumerate the device in device manager. As if the phone simply isn't plugged in.
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So you are correct. I didn't see that in your post, my bad.

Have you tried with another cable maybe?

Make sure you have either MTP or PTP checked in Settings/Storage/USB computer connection.

Niflheimer said:
Cable or driver 95% sure. Did you try connecting it to a windows 7 /linux pc ? And ... u can never be sure but try connecting to a usb2.0 port. I had those issues when I accidentally plugged my cable in my frontal panel ( usb3.0)
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Georg2808 said:
A few months ago I had the same problem, my phone got not recognized by adb or fastboot. I played around a whole day with drivers and stuff like that. At the end I found a post on the internet describing that not all USB cables are able to do adb connections and I should try the original USB cable that came with my Nexus 5. So I looked for that particular cable and hey presto it worked right away.
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Telyx said:
Make sure you have either MTP or PTP checked in Settings/Storage/USB computer connection.
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Alxhn said:
Have you tried with another cable maybe?
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Niflheimer said:
And 2$ usb cables do break over time. They might still charge , but one cold solder joint and no connection
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I've tried multiple cables. I KNOW that this cable is fine for ADB, because it works fine for my other devices. All of them. I may be marked a newbie on the forums, but I'm really not one. When I first signed up for this account I was, but that was in what... '07?
I've tried:
Drivers (Obviously won't work.)
Cables
Rebooting
Factory Reset
Different Computers
Linux
Windows
Switching USB connection modes
Toggling Dev Mode/Debugging on/off
Nothing works. It HAS to be a software issue on the phone. I don't think anyone read it, but it's almost as if the IC that handles USB connections has lost it's firmware. I don't think that can happen, honestly, so it must be whatever's in the ROM that TALKS to that IC that's causing the issue. Problem is, I don't know how to fix the ROM without USB connection and Fastboot.

CypherX1389 said:
Nothing works. It HAS to be a software issue on the phone. I don't think anyone read it, but it's almost as if the IC that handles USB connections has lost it's firmware. I don't think that can happen, honestly, so it must be whatever's in the ROM that TALKS to that IC that's causing the issue. Problem is, I don't know how to fix the ROM without USB connection and Fastboot.
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Its unlikely that the ROM will be the cause if the USB port suddenly stops working.
Do you have a custom recovery?
If not, then not much you can do except send it in for repair/replacement.

HTC recognition via USB on PC

Hi there.
I have an U11 now and I am quite happy with it.
But there is one problem.
It takes ages till I see the U11 appearing on the PC. USB debugging is on, data transfer chose at the U11, tried several USB connections on the PC tried even another laptop.
Sometimes it is even not showing the phone.
Are here people around who are facing the same problem?
Any solutions?
Thx a lot.
Schuertzi

Yeap exactly the same...

No problem here, each new usb port you connect to loads the drivers and takes a few seconds but after that connection is fast.

Thing that has me peeved is the lack of OTG support. I like to backup straight to an external HDD. No go with the U11.

Tried and waited really long after the drivers were installed. Nothing changed really. Even with using the same USB connection.
May be I did something wrong during flashing TWRP and then the Viper ROM.
Will check and let you know.
Thx
Sxhuertzi

I had the same issue even though i didnt root. I tried on multiple pcs and still got a message saying usb device not recognized. So i returned it and ordered the solar red. I should receive it today and I'll let you know if I still get the same result.

Great, just let us know.
Thx

Hi Guys,
I solved my problem.
I had first the wrong TWRP installed then deleted. Tried then again to install via fastboot. Was not possible.
Then, I installed the official TWRP app from the playstore. Installed the actual TWRP from there. And voila, TWRP installed, rebooted and everything works.
Just for your info. May be you have similar problem.
Schuertzi.

So i definitely had a defective device as this new one connects without any issue.

schuertzi said:
Hi Guys,
I solved my problem.
I had first the wrong TWRP installed then deleted. Tried then again to install via fastboot. Was not possible.
Then, I installed the official TWRP app from the playstore. Installed the actual TWRP from there. And voila, TWRP installed, rebooted and everything works.
Just for your info. May be you have similar problem.
Schuertzi.
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Hello Sir,
I have almost the same problem which is when I try to connect my HTC U11 to any windows computer it gives me error that the usb is malfunctioned and don't recognize my phone, I also tried to install different TWRP and it doesn't work either, any help would be much appreciated also what type of TWRP you have installed to fix this issue, thank you.

jhill110 said:
Thing that has me peeved is the lack of OTG support. I like to backup straight to an external HDD. No go with the U11.
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I can use external HDD and pendrives. In fact, the u11 recognises NTFS even.

USB not working after flashing Lineage OS 15.1

Hi all, a couple nights ago I flashed Lineage 15.1-20180806 to my OPO and everything went smooth. This morning I tried to connect it to my pc to transfer some pics and to my surprise the PC doesn't recognize it.
It looks like the PC is "trying" to establish a connection because the led in the phone blinks really fast for some small periods of time. The phone isn't charging when connected to the PC either.
What I have already tried:
- I already enable USB debugging in developer options
- Set MTP as default usb configuration
- Tried 2 different cables and different usb ports in PC.
I will try again in another computer when I get home but, honestly, this doesn't seem to be a problem with my PC or the cable as those were the ones I used when I flashed the rom and I also used the same cable when I transferred files to the same PC in the past. The phone was running Lineage OS 13 before the flash I think.
Any idea what else can I try to get it to work? I'm afraid I will be attached to this rom forever since I won't have a way to flash another ROM right?
EDIT:
If I go into recovery mode (TWRP) and plug the usb cable the PC recognizes it and I can transfer my files. So I'm 100% sure this is on Lineage OS. Again, when I get home I will see if ADB works while in TWRP but still would like to know if any of you guys has had this issue solved.
Thanks!

do you have anything important on your oneplus one

kallum7 said:
do you have anything important on your oneplus one
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Nothing so far. It will become a back up phone soon.

Hi you need to follow this guide https://www.google.co.uk/amp/s/foru...neral/guide-unbrick-oneplus-one-t3013732/amp/ and even though it says it is do not use for soft brick just use it anyways

kallum7 said:
Hi you need to follow this guide https://www.google.co.uk/amp/s/foru...neral/guide-unbrick-oneplus-one-t3013732/amp/ and even though it says it is do not use for soft brick just use it anyways
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Thank you, will give it a try and report back later.

adrek09 said:
Thank you, will give it a try and report back later.
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okay

Is Lineage OS 15.1 supporting VoLTE by any way.

Had the same issue... and had this issue always coming back, currently with LOS18 (some devices worked, others didnt - couldnt see a pattern).
I tried all the triggers like setting File Transfer, disabling USB Debugging - nothing worked...
...until I rebooted my device (a YT703L).
In the end, it should be either (not sure which one actually)
File Transfer - always on (in DevSettings Default USB) or
USB Debugging off (also Dev Settings)
AND reboot.