Go to Lenovo Support: Visit the Lenovo support website and search for the ThinkPad T420. Find BIOS Updates: Navigate to the BIOS/UEFI section to find the available BIOS versions. Download the Older Version: Download the BIOS version you wish to downgrade to. Ensure that it is compatible with your specific ThinkPad T420 model. 3. Prepare for the ...
ThinkPad schematics and boardviews #1 by nitrocaster » Thu Jul 14, 2016 9:42 am Sometimes schematics and boardviews are difficult to obtain, so I suggest to post them here. May be useful for those who want to repair their ThinkPads. X220 schematic + boardview X230 schematic + boardview X240 schematic + boardview X1 Carbon 2012 schematic ...
Re: Yoga 11e Thinkpad TouchScreen Win11 Fix #4 by ivraatiems » Sat Apr 26, 2025 8:04 am This worked for me as well after a fresh Windows 11 install. Weirdly, the Windows 11 updates for intel drivers, despite installing working versions, didn't make the touchpad work. Only this version did.
It only intermittently works with 2 different Lenovo brand chargers. The only way I can reliably charge it is with a Lenovo power bank. The USB-C connector on the power bank fits more snugly than the two power adapters so I assume this is a hardware problem with the socket on the motherboard. I've read of similar problems on other forums.
I tryed executing the application Lenovo Vantage and looking for system updates. A couple of updates were found: ThinkPad Hotkey Features Integration Package Setup - 10 [64] - 9.2.0.4 ThinkPad BIOS Update - 10 [64] - 1.37 I installed both updates and after reboot the battery 1 is being charged again. Hope this helps! This worked for me too ...
ThinkPad: T400 / T500 and newer T series Laptops topics Lenovo T14s - Internal Microphone driver issue / No "Mic" under input devices --> Win10 v1803 in ThinkPad: T400 / T500 and newer T series Laptops Hi We have a new Lenovo T14s Notebook. The internal microphone does not work.
ThinkPad: T400 / T500 and newer T series Laptops topics T14 gen 1 - microphone not working - Intel Smart Sound Technology OED Driver issue in ThinkPad: T400 / T500 and newer T series Laptops We still have microphone problems with Lenovo T14 gen 1 laptops. Hello u3628!
Regards, Lorenzo_Lenovo Re:X1 Yoga 3rd Gen - Fingerprint Reader not working I had the same issue: one day the fingerprint reader stopped working and did not show any light. After many hours of research and drivers updates/windows updates/BIOS updates etc, I opted to change the fingerprint cable (and not the reader itself).
