Lenovo ThinkPad L420 Driver Download
The ThinkPad L420 is a common computer motherboard manufactured by Lenovo. Update now to fix problems such as frequent crashing, computer shuts off unexpectedly, no audio or no video, or a blank screen on start up. This driver - "video_test_x64_4005996.exe" - has been downloaded 24 times and is rated 5 out of 5 stars based on 6 reviews. Compatibility for this driver update includes PCs running Windows operating systems such as Windows 8 and Windows 7. The total disk space used for this update is 8.6 MB.
Supported Models
ThinkPad L420
Manufacturers
Supported Operating Systems
Windows 8.1 (64 bit), Windows 8 (64 bit), Windows 7 (64 bit), Windows 2008 (64 bit), Windows 2003 (64 bit)
File Name
Versions
4.0.0.5996 (27-Oct-2014)
Additional Notes
Diagnostic Video Test Driver File
Uploaded By
siddhik (DG Staff Member) on 2-Mar-2015
Related Driver Updates
How to Update ThinkPad L420 Device Drivers
Step 1 - Download Your Driver
To get the ThinkPad L420 driver, click the green download button above. After you complete your download, move on to Step 2.
If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Lenovo ThinkPad L420 into the search box above and then submit. In the results, choose the best match for your PC and operating system.
Tech Tip: If you are having trouble deciding which is the right driver, try the Lenovo Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
To find the newest driver, you may need to visit the Lenovo website. Most major device manufacturers update their drivers regularly.
Step 2 - Install Your Driver
Open a tool called Device Manager.
Use Device Manager to put the new driver on your computer.
Turn your computer off.
Turn your computer back on.
Now your new driver is ready!
Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.