Lenovo ThinkPad T420 Driver Download
The ThinkPad T420 is a network device manufactured by Lenovo. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. Visitors have downloaded this file "pci_express_quick_test_x64_1101384.exe" 130 times with an aggregate rating of 5 out of 5 stars based on 2 reviews. The uploader reports that this update will work successfully on PCs running Windows 8 and Windows 7. The total disk space used for this update is 5.3 MB.
Supported Models
ThinkPad T420
ThinkPad T420s
ThinkPad T430s
ThinkPad T430u
ThinkPad T520
ThinkPad T530
ThinkPad W520
Manufacturers
Supported Operating Systems
Windows 8 (64 bit), Windows 7 (64 bit), Windows 2008 (64 bit), Windows 2003 (64 bit)
File Name
pci_express_quick_test_x64_1101384.exe (5.3 MB)
Versions
1.1.0.1384 (30-Jan-2013)
Additional Notes
PCI Express Quick Test File
Uploaded By
Shanmugasundaramg (DG Staff Member) on 6-Jun-2013
Related Driver Updates
How to Update ThinkPad T420 Device Drivers
Step 1 - Download Your Driver
To get the ThinkPad T420 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 T420 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.