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Atanas1
Paper Tape
Posts: 4
Registered: ‎03-26-2018
Location: BG
Views: 205
Message 1 of 9

X1 Carbon 2nd generation left USB stopped to work after last BIOS update

Dear All,

 

After last BIOS update (middle of March 2018) left USB port stopped to work on my X1 Carbon (type: 20A8S04N1H). Please, help!

Thank you in advance!

Guru
Posts: 810
Registered: ‎01-09-2012
Location: GB
Views: 199
Message 2 of 9

Re: X1 Carbon 2nd generation left USB stopped to work after last BIOS update

in device manager does it show any problems?
http://www.mcci.com/mcci-v5/support/howtos1.html
Thx dave

yoga 2, lenovo b540
3 custom gaming pc systems
Atanas1
Paper Tape
Posts: 4
Registered: ‎03-26-2018
Location: BG
Views: 195
Message 3 of 9

Re: X1 Carbon 2nd generation left USB stopped to work after last BIOS update

Thank you for reply.
There is no any problems indicated in the device manager.
Guru
Posts: 810
Registered: ‎01-09-2012
Location: GB
Views: 188
Message 4 of 9

Re: X1 Carbon 2nd generation left USB stopped to work after last BIOS update

https://pcsupport.lenovo.com/ca/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-...
try installing the chipset drivers again and see if that works, reboot after you install them
Thx dave

yoga 2, lenovo b540
3 custom gaming pc systems
Atanas1
Paper Tape
Posts: 4
Registered: ‎03-26-2018
Location: BG
Views: 172
Message 5 of 9

Re: X1 Carbon 2nd generation left USB stopped to work after last BIOS update

Done but without result.
Guru
Posts: 810
Registered: ‎01-09-2012
Location: GB
Views: 166
Message 6 of 9

Re: X1 Carbon 2nd generation left USB stopped to work after last BIOS update

https://pcsupport.lenovo.com/cr/en/products/LAPTOPS-AND-NETBOOKS/THINKPAD-X-SERIES-LAPTOPS/THINKPAD-...
download and install the old bios and see if you get the usb back
Thx dave

yoga 2, lenovo b540
3 custom gaming pc systems
Atanas1
Paper Tape
Posts: 4
Registered: ‎03-26-2018
Location: BG
Views: 161
Message 7 of 9

Re: X1 Carbon 2nd generation left USB stopped to work after last BIOS update

Downgrade to the previous version did not help...

Could it be a power supply problem?

When I insert a mous to the right USB port the light appears but nothing happens when it is inserted in the left one...
Community SeniorMod
Community SeniorMod
Posts: 9,375
Registered: ‎01-01-2010
Location: US
Views: 155
Message 8 of 9

Re: X1 Carbon 2nd generation left USB stopped to work after last BIOS update

Left side USB is on a separate, audio card.  I would guess the problrm is hardware.  Either the ribbon cable is unplugged or the audio card died.  See if the headphone jack works.


Rich


I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo.
Asad1999
Ctrl-Alt-Del
Posts: 5
Registered: ‎08-09-2018
Location: PK
Views: 66
Message 9 of 9

Re: X1 Carbon 2nd generation left USB stopped to work after last BIOS update

Hello i have the same problem my left usb is not working also audio jack is not working. Please tell what can i do if its hardware problem. Can i open my laptop lid.? Is there any way to make them as there are only two usbs on lenovo x1 carbon 2nd generation and i am only left with 1 usb. HELP PLEASE 

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