Database Users

pc wont recognize phone

Before i didnt have a problem.. im running nand android and now all of a sudden when i plug my phone into usb nothing happens except a charge.. how can i access my sd card again?

turn on mass storage mode if using cyan/ginger/froyo clean, or disk drive mode if using htc sense build.

nirvanafreak919 said:
Before i didnt have a problem.. im running nand android and now all of a sudden when i plug my phone into usb nothing happens except a charge.. how can i access my sd card again?
Click to expand...
Click to collapse
Pull down the notification menu (while connected) and select USB connection and you should get a option to turn USB storage on and off.
It also depends on which rom you are using.

It even could be your pc, reboot it. Has something to do with the non-mandatory safe removal of USB devices. I had it with my phone and I thought I bricked it.
Maybe your pc need the right drivers, reboot PC and replug the USB cable. Look at the notification bar if you see an USB icon, click it and turn on mass storage.
Hope this helps.

[Q] USB doesn't work

Hi
Yesterday I S-Offed my Wildfire and instelled CM7 rom.
But today I wanted to transfer some music to my phone and i couldn't do it.
When i plug USB cable into PC, my phone just charges and can't do anything more because phone doesn't show that it is plugged by USB. Just USB debugging turns on but I can't transfer anything to my phone.
Yesterday it was all OK but I flashed google apps and Jacob's kernel(v4.2). Maybe that is a problem.
I'm waiting for advice

I have a similar problem.
The phone also shows connect via usb option.
But on doing that, the phone does not show up on my pc.
When I go to "Disk Management" in computer management on windows 7, the disk shows up but I can't assign a drive letter to it and hence it is not accesible.
Can any1 help with the problem ?

Forgot to mention.
The problem does not appear when I connect my wildfire to my mac.
It shows up as as a disk drive when mounted.

I had a similar problem after installing CM7 so I got Multi Mount Sd-Card Lite from the market, put the widget on homescreen and click it each time i mounted my usb.
Hope it solves your problem!

Linis6 said:
Hi
Yesterday I S-Offed my Wildfire and instelled CM7 rom.
But today I wanted to transfer some music to my phone and i couldn't do it.
When i plug USB cable into PC, my phone just charges and can't do anything more because phone doesn't show that it is plugged by USB. Just USB debugging turns on but I can't transfer anything to my phone.
Yesterday it was all OK but I flashed google apps and Jacob's kernel(v4.2). Maybe that is a problem.
I'm waiting for advice
Click to expand...
Click to collapse
Don't flash Jacob's Kernel v4.2. Keep the stock one.

Thanks for advices
I re-installed CM7 and kept kernel which comes with rom.
Now I have NO problem with that.
So it was kernel problem.

[Q] USB Mount or Mass Storage not working on MT4G

The probem:
USB Mass Storage not working in Recovery. I tried everything, reflashing different recovery but its not working, it doesn't give an error message. When card is not inside however it does complain. SdCard is fine because I can flash zips that are on it. Tested on both windows and ubuntu. tried another card as well
USB Mount doesn't work in CM7.2 or any rom or nand restore i've done recently. I had Insomnia at some point, then inferno, then cm 7.1, none of these restores work. Again here no errors, I do not even see the sign for usb detection. usb debugging is enabled/disabled no difference. phone however still charges though.
I'm on a trip right now, but I've not had the chance yet to get another usb cable but the two I have dont work.

katsumeiyo said:
The probem:
USB Mass Storage not working in Recovery. I tried everything, reflashing different recovery but its not working, it doesn't give an error message. When card is not inside however it does complain. SdCard is fine because I can flash zips that are on it. Tested on both windows and ubuntu. tried another card as well
USB Mount doesn't work in CM7.2 or any rom or nand restore i've done recently. I had Insomnia at some point, then inferno, then cm 7.1, none of these restores work. Again here no errors, I do not even see the sign for usb detection. usb debugging is enabled/disabled no difference. phone however still charges though.
I'm on a trip right now, but I've not had the chance yet to get another usb cable but the two I have dont work.
Click to expand...
Click to collapse
Its either your USB cable or your phone USB jack mine does the same thing I have to wiggle it to get a good connection cuz my USB cable sucks cuz with others it recognizes it right away.

...Awesome... said:
Its either your USB cable or your phone USB jack mine does the same thing I have to wiggle it to get a good connection cuz my USB cable sucks cuz with others it recognizes it right away.
Click to expand...
Click to collapse
He has tried two cables, so I would tend to lean toward the port.
Sent from my HTC Glacier using XDA

i am in the same boat. looks like my charging port is bad. anyway to replace the charging port? i am not good with soldering

it's not ur usb port
it's htc.. htc devices doesn't support usb host feature.
If you have a rom and kernal that do support usb host then try powering the usb as the htc devices do not provide power out.. use usb Y cable

tempuser2005 said:
it's htc.. htc devices doesn't support usb host feature.
If you have a rom and kernal that do support usb host then try powering the usb as the htc devices do not provide power out.. use usb Y cable
Click to expand...
Click to collapse
What? He isn't trying to host the connection. He is trying to use his phone as a USB mass storage device.
Where did you get USB host from in his questions?
Sent from my HTC Glacier using XDA

Hi all,
I am having the same problem, except perhaps with a different cause. My user account on Windows 7 became corrupt and I can no longer log in, so I had to create a new one.
On the new account, my myTouch 4G is not recognized for mass storage/disk drive mode via USB. The USB cable does work, the port is okay, and I've used both with other devices. The myTouch shows as charging when connected to the computer. I have uninstalled and reinstalled all of the myTouch drivers, restarted computer and phone, to no avail.
When it is connected in USB, it shows as generic "Drive F" and is inaccessible. When I check properties it says mytouch4g. When I check "Devices" it is recognized as portable storage. I have tried with USB debugging on and off, and have set "connected to computer" mode to disk drive.
Any thoughts? I thought possibly loading the generic ADB driver again might help, but I cannot get to the stage where I can force it to load that driver instead of the HTC one.

[Q] Phone drive and SD card does not open in my computer

My S4 does not show up in My Computer, it normally shows up and I can click it and go into either my phone drive or SD drive, but now nothing.
USB Debugging is on, and the phone does charge. I tried reinstalling the drivers, restarting the phone while plugged in, and I do not have a USB utilities option. Android version 4.2.2.

It sounds like a computer issue. Wipe your hard drive and re install windows that should clear it up and have your phone showing up again. Otherwise your phone is infected with the samsung virus and I can actually fix that for you if you PM me your details.

ss_gohan said:
My S4 does not show up in My Computer, it normally shows up and I can click it and go into either my phone drive or SD drive, but now nothing.
USB Debugging is on, and the phone does charge. I tried reinstalling the drivers, restarting the phone while plugged in, and I do not have a USB utilities option. Android version 4.2.2.
Click to expand...
Click to collapse
Bad usb cable or port. Try a different cable or a different usb port. Not all usb cables can pass data, some only charge. It is always best to use the cable that came with the phone when transferring data via usb.

cruise350 said:
Bad usb cable or port. Try a different cable or a different usb port. Not all usb cables can pass data, some only charge. It is always best to use the cable that came with the phone when transferring data via usb.
Click to expand...
Click to collapse
I use the cable that came with the phone, it was working before.

What kernel? If KT uncheck fast charge in kttweaker app under extras.
SGS4 Sent

ifly4vamerica said:
What kernel? If KT uncheck fast charge in kttweaker app under extras.
SGS4 Sent
Click to expand...
Click to collapse
Kernel version 3.4.0-95334

Anyone know how to fix this?

[Q] Nexus 4 gone stealth

... and is no longer recognized when connected to a computer via USB, meaning I can't return to stock to get ready for the Lollipop OTA.
Got a rooted Nexus 4 running the latest PA beta.
What happens when connecting to PC:
- On two different Windows machines: systray popup saying "USB device not recognized. The last USB device you connected to this computer malfunctioned etc.". In device manager it says "Unknown USB device (device descriptor request failed)"
- On elementary OS, based on Ubuntu 12.04: nothing, besides charging.
No USB debugging connection notification on the Nexus 4 either when plugging in.
What I've tried (USB debugging enabled, all relevant drivers installed):
- Settings > Storage > USB computer connection > check Camera PTP (used to be required in order to get an RSA key prompt when connecting to a computer, now it does nothing)
- Flashing latest stable CM to see if PA was to blame. Made no difference.
- Uninstalling device through device manager in Windows and reconnecting. No effect. Driver update doesn't work either, finds nothing.
- Using Wugfresh's Nexus toolkit to see if that worked, but that obviously doesn't work either when the device isn't recognized, same with the Universal Nexus Linux Toolkit on Linux.
- Scouring the net for solutions and coming up with nothing
I have flashed factory images before on this phone without problems. Should I consider it a hardware failure by now, or is this a known issue with a fix?

Try a new wire, different usb port on computer, finally look into cleaning your charging port on the phone/replacing it.

DrFredPhD said:
Try a new wire, different usb port on computer, finally look into cleaning your charging port on the phone/replacing it.
Click to expand...
Click to collapse
Tried three different cables, every port on two laptops, no joy - my girlfriend's phone connects normally.
Wouldn't replace the charging port, then I'd just get a new phone since it's a 2 years old Nexus 4. If only there was a way to flash the factory image using only TWRP.

bimsebasse said:
Tried three different cables, every port on two laptops, no joy - my girlfriend's phone connects normally.
Wouldn't replace the charging port, then I'd just get a new phone since it's a 2 years old Nexus 4. If only there was a way to flash the factory image using only TWRP.
Click to expand...
Click to collapse
Flash this in twrp http://forum.xda-developers.com/showthread.php?p=47476426
Sent from my Nexus 5 using XDA Free mobile app

Thanks jd1639, that seemed to be exactly what I was looking for -
- but then I had an extremely blonde moment and formatted everything in TWRP, wiping the ROM I was gonna flash in the process, on a device where USB file transfer doesn't work anymore
My phone is now a paper weight.

Have you tried the file manager in twrp yet? I've found it connects when nothing else will...