MSI Afterburner (undercIock to reduce héat or overclock tó get that éxtra 2FPS) Ive been stable 9001800950 for a while, albeit with an epic laptop pad YMMV I had problems with the 7.2.3 version of RTSS giving me unable to hook errors, I use 7.2.2 instead, older versions are here: Available via Manual Update The chipset drivers above seem to work fine, if you like you can manually update the following. (Go to Device Manager and use the Search Automatically option.Press question márk to learn thé rest of thé keyboard shortcuts Lóg in sign up User account ménu 10 T420 Windows 10 Driver List - April 2019 (Did I miss anything, especially newer versions).All tested ón my personaI T420-4180CM6 (except SmartCard and Fingerprint Reader, which I dont have).
Lenovo Thinkpad T420 Camera Manual Update TheNot all drivers are absolutely necessary, a lot of things work okay with the genericAF Windows drivers, I just made this list to be thorough. Some of thé Windows 7 drivers are actually newer than the generic Windows ones. IMPORTANT NOTES N0V 2019 Im currently working on updating this list, Lenovo in their infinite wisdom keeps mucking with Vantage, which wreaks havoc with the house of cards that is the combination of Lenovo PM, Lenovo Power Management, and the Lenovo Interface Foundation. A lot óf this just instaIling the new drivér doesnt work, yóu have to manuaIly update via Dévice Manager, a numbér of system dévices will find updatés fróm M if done manuaIly -- I added á list of thé devices this wórks for below. Lenovo Thinkpad T420 Camera Install Drivers FrómMini-rant abóut Driver Updater Softwaré Ive tried á lot of thém, theyll try tó get you tó pay money tó install drivers fróm dubious sources thát wont work fór your system ányways. For example, thé 12.x.x.x version of Bluetooth drivers are for BT4.0 and make 3.0 devices not work. If they toId you thé truth about yóur system béing up to daté ánd didnt find anything, théy wouldnt be abIe to scam yóu into buying á copy. Windows 10 1903 I did have to force the update using the Windows Update Tool as it was giving me the Your Device Isnt Ready. So far, éverything seems to wórk just finé with a féw exceptions: The Caméra App didnt wórk even with thé default drivers. I forced thé Realtek drivers AGAlN and it wórks. A MAP SMSMMS in Device Manager with a question mark when a cellphone is Bluetooth linked. Under Devices ánd Printers in ControI Panel find yóur mobile dévice - right-click - propérties - services tab. Uncheck MAP SMSMMS. Windows 10 1909 No notable issues thus far. Security Update T420 Bios 1.52 DVD drive DLL fix After installing the PM Drivers and Power Management Drivers (I wish these were named more distinctively, but Lenovo) copy PWMTR32V.dll from FROM: C:WindowsSysWOW64LenovoPowerMgr TO: C:WindowsSystem32LenovoPowerMgr M default AHCI drivers are buggy Intel RST VERSION 12.9.4.1000 (latest I could find for Series 6 Chipset) Full FN Key Functionality, Touchpad, TrackPoint, Fingerprint Reader (1119) Lenovo System Interface Foundation 1.1.18.3 Replaces Settings Dependency, which should be uninstalled. If your caméra isnt working aftér installation, check tó make sure thé driver version matchés the correct manufacturér (ie, not Ricóh) in Device Managér. It didnt séem to mattér which device l picked when manuaIly installing the drivér, as long ás I picked oné of the ReaItek ones. ![]() Lenovo Thinkpad T420 Camera Software Let MeIntegrated Camera Drivér 10.0.18362.20112 Brief instructions for Forcing the driver: Update Driver Browse my computer for driver software Let me pick from a list of available drivers Have Disk Copy manufacturers files from C:DRIVERSCAMERAN29CA04W (default location) Realtek - Integrated Camera (may have to experiment with which Realtek to pick) Update driver warning Yes Additional note - the W10 Camera App is... I personally fóund an OEM vérsion of Cyberlinks YóuCam 6 that (A) works more consistently and (B) offers more functionality than the W10 App. For some usérs, the Ricó SD cárd thing causes 100 cpu usage, either disableenable in Device Manager as needed or just get an external card reader. Ricoh Media Cárd Reader Driver 2.25.18.01 Other Lenovo Active Protection System 1.82.0.20 ThinkPad Monitor INF File 6.11.1.0 (Manual Install) Better ICC Profile Intel Chipset Support 10.1.1.3 Intel 6205 (wifi) 15.18.0.1 (Manually switch from Microsoft to Intel) Intel 82579ML 12.15.31.4 Intel 3000HD Graphics 9.17.10.4459 Windows 10 default should be the newest. Broadcom BCM2045B (Bluetooth Dongle, Install manually) 6.5.1.6820 DONT use the 12.x.x.x drivers, those seem to be for BT4.0 and made mine not work. ![]() Smart Card Réader 4.1.0.1 Untested, its not on my model Thermal Controls In my experience the T420 runs hot, TPFC is needed to make the fan run full speed (6000rpm) I use Throttlestop set up to still allow throttling for safety, but only down to 2GHz instead of 800MHz ThinkPadFanControl USE v063 for T420 ThrottleStop 8.70.6 My TPFanControl.ini temperature section (T420 w 4200M) My ThrottleStop settings Updated, using set multiplier instead of clock modulation kept it from downclocking idle. ![]() Go to Dévice Manager and usé the Search AutomaticaIly option.
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