I've searched around a few threads but not having much luck on this. I've started on a different computer totally from scratch several times and it just doesn't recognise that the phone has been plugged in. It's really quite irritating as the ODIN CF root method is literally 5 clicks and should take about 10 seconds to do.
I plug the phone into my PC while it's on and it detects it as the USB device and I can go into the folders and copy music on etc etc.
I switch it to download mode, plug it in and it does sod all. No windows beep to say it's plugged in a USB device. If I open ODIN then plug it in it's not doing the COM added.
I've tried installing then uninstalling kies then rebooting, installing just the USB driver, uninstalling, rebooting, reinstalling, rebooting. Just NOTHING seems to make my PCs detect that I've plugged the damn phone in when it's in download mode. It should be such an easy process but I'm left banging my head against the wall mid way through because it just refuses to acknowledge the device. I unplug, switch it on, plug back in and there it is, device connected. I've tried different computers, different USB ports. It doesn't show up in device manager even.
So my question: any idea as to why it will detect when the phone is on normally, but will not even think it's plugged in when switch on in download mode? And of course, how to fix it would be useful!
OK I fixed it.
I uninstalled the USB driver and restarted.
Downloaded/installed a new USB driver (specifically SAMSUNG_USB_Driver_for_Mobile_Phones_v1.5.23.0-retail).
Went to download mode and it picked it up straight away! ODIN worked in 10s as expected.
Found the instructions here, for reference. http://www.modaco.com/topic/361286-...-phones-15230-for-win-87vistaxp-adb-fastboot/
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Hi all... i got my V for a month and now it is not charging anymore. neither from the ac adapter nor my computer usb..and my computer couldnt detect my phone is plug to the USB port....just nothing pops out. The debugging mode status icon, and the storage icon is not shown on my phone.
basically... i tried everything i found on Google...
reboot my phone, pop out the battery, change cable[from other optimus V], changed battery, different ports on my computer, different computer, different AC adapter, different SD card, format my SD card, factory reset, and the last thing i tried is to rooted my phone and flash with a I.H.O CM7.1 ROM.
no hope at all; however, when i plugged to the usb port or the ac adapter, then i take out the battery.. the phone does power up and say required battery....
so, if anyone had this problem before and solved it.. please help me out. between, i cant return the phone anymore.. it is over a month.
forgot to mention... it is the second time this charging issue happened. the first time, it fixed itself after i plugged into the PC, windows recognized it, and installed the drivers. [well, i already installed the driver before this happened, because i was doing some coding and debugging]
this time.... windows is doing nothing, no message pop out, no new driver found.. just nothing. and my phone doesn't shows the debugging icon on the status bar even thought i ticked the debugged mode On, and connected to the usb.
sorry for my bad grammar =[
maybe see if your pc recognizes it while rebooted into recovery.
you could also try removing all the lg and Android drivers in device manager (select show hidden devices to get at them) and then plugging the phone into the pc again.
or use a Ubuntu "live cd" to check the connectability... micro$oftware is uppity, my kid's windoze computer doesn't like my v, although it used to see it fine.
I've also read that toggling debugging, disconnecting and reconnecting the cable, then toggling usb debugging again can help.
also, froyo roms are supposed to go to a charge mode when turned off but still plugged in.
So the ota screwed up my phone. I was able to connect and intstall the stock eoh3 for xda the phone now starts up but I am unable to connect USB to root or flash any new rooms with Odin I can only connect Odin if the phone is booted up and debug and mock locations are on. If I pull the battery and put it in download mode it will not connect to the pc it just shows as an unknown device. I have reloaded drivers ect but not getting anywhere. Any ideas?
Try another cable if you have one, and try putting the drivers on another PC. For reasons I still haven't figured out, my home desktop PC quit connecting a couple of ROM's ago, and it won't even let me reinstall the drivers. I have a laptop that works fine (so I haven't gone into major troubleshooting) and my work PC also connects fine.
If the same issue repeats on other PC's and cables, there may be something wrong with your mini USB port. I had to have mine replaced a few months back.
OK so yesturday I bricked my Samsung vibrant and used Odin to get back to stock was succesfull now when I try to connect I get USB not recognized. I tried device manager to uninstall and install drivers again and still nothing all it says is unknown device I tried debuging, still nothing. I dont no what to do.. if I unplug and plug in the wire I'll get it like 1 time outta like 500 times trying to connect and disconnect helllllp lol
Double check that you have the drivers install. Also double check that you do infact have USB debugging ticked. If you are getting it 1 of 500 +/- times, to me that sounds like it is a USB cord issue. Try changing ports and I have even heard of people putting it in a port closer to the back of the PC b/c it is closer to CPU and has worked. Really think that it is a bad wire though.
try reinstall the Mini kies that have usb driver in it or try on your phone in setting/applications/usb setting click ask on connection
Other way is remove the usb driver from device manager and reboot it and it will load up the driver itself.
still nothing
then you might have bad cord. If you have extra cord and see if it work. Other test is can you charge your phone if it charging then there other issue on your computer. My guess is try odin again
Hi, first post here.. so Hi
I have an issue with my S3, i can't get my pc to detect it in download mode at all, no reaction from windows.. if didnt plug it in to the pc at all, it worked once, and it took me reinstalling drivers for hours to get it working, this is when i first rooted the phone using the cf-root method..
When i wanted to install a custom rom a few months ago i discovered it went back to not getting detected and has stayed that way
it's as if i've not connected it to the pc at all, i'm using a rear usb port, with the original cable, below is a short list of what i've tried
Tried 3 different cables
Used a brand new install of windows 7 with SP1
tried various Samsung ADB Drivers
Tried every single USB port, front and back on my pc
Used as many different USB Debugging options as possible
I noticed that when i turn on USB debugging after enabling developer mode, nothing changes on the pc, if i remember rightly my S2 made windows install the adb driver when i turned USB debugging on..
Any help is appreciated with this, never had any of this happen with my S2 lol :/ i've been messing around on and off the last few months with it, thankfully there's Mobile Odin and also Nandroid backups for me to fall back on
Pulling the battery with the cable plugged in while my S3 was in download mode is what fixed this for me...
With the usb cable plugged into the PC but NOT the phone, go into download mode.
Connect cable to the phone, then pull the battery out.
Once windows detects the phone and installs drivers it's safe to put the battery back in.
Phone will be detected by Odin/ CyanogenMod installer and so on.
Why in hell having the battery in stops windows detecting the phone in download mode is beyond me.. unless samsung did it on purpose? lol..
Installed CM 11 using the above method and it went perfectly, but i do have to use the above method whenever i want to flash something using my pc, so it's more of a work around than a fix..
Fix was found on YouTube of all places! hope this helps anyone else
I'm not sure if it was the recent windows update(1803) or if my phone is ****ed.
I've tried every USB port, the original cable that came with my phone, the cable that came with my HTC 10, and 2 other cables I had lying around. I also tried factory resetting my phone. None of this worked.
I've tried a few combinations of uninstalling and reinstalling the USB drivers.
I don't have another computer I can use to test with.
Same problem here, can t connect my phone to pc anymore. It worked when i both the phone for 1 week or so and now... nothing. The sound when you connect the cable to the laptop is gone and also the allow and / deny notification you get on your phone.
In downloading mode odin sees the phone and the laptop is makeing the sound.
Whenever you connected your device to the computer, was the USB computer connection on Media Device (MTP)? If it's not on MTP then the computer may not recognize the phone at all.
I have same problem with my S9+ .. I try to install some update to Windows 10 (MTP Drivers) and nothing...
In dawnload mode, also ...don't recognize
This may or may not help, is Bixby updated and configured? I never used Bixby, I turned it off and used Nova Launcher and could not connect to the PC no matter what I tried so..... I turned off Nova Launcher, re allowed Bixby, went through the many configuration nonsense and the phone now connects to the PC. When I plug in the cable the phone shows up as another disk drive and if I click on it, I get internal memory and SD Card and can read or write to either. I've no idea why but apparently Bixby is needed to connect the phone to the PC?
I re activated Nova Launcher and it still works so give it a try.
NOTE: Bixby must be allowed to update first.
Hope this helps at least one of you?