Lenovo PCI Express Quick Test is a diagnostic tool that tests the PCI Express Devices in Lenovo computers running Windows OS.

• ThinkCentre
  • Edge 62z, Edge 71, Edge 71z, Edge 72, Edge 72z, Edge 91, Edge 91z, Edge 92, Edge 92z
  • M60e, M62z, M71e, M71z, M72e, M72z, M75e, M76, M77, M78, M81, M82, M90z, M91, M91p, M92, M92z
• ThinkStation
  • C20, C20x, C30
  • D20, D30
  • E30, E31
  • S20, S30
• ThinkPad
  • Edge E120, Edge E125, Edge E130, Edge E135, Edge E220s, Edge E320, Edge E325, Edge E330, Edge E335, Edge E420, Edge E420s, Edge E425, Edge E430, Edge E435, Edge E520, Edge E525, Edge E530, Edge E535, Edge L330
  • S220, S420, S430
  • L420, L430, L520, L530
  • Twist S230u
  • T420, T420s, T430, T430s, T430u, T520, T530
  • W520, W530
  • X1, X1 Carbon
  • X121e, X130e, X131e
  • X220, X230, X220 Tablet, X230 Tablet
• Lenovo Essential
  • B475e, B480, B490, B575e, B580, B590
  • E49, K29, K49
  • G480, G485, G580, G585, G780
  • V480, V480s, V490u, V580
  • M490, M495

• Windows 8 (64-bit)
• Windows 7 (64-bit)
• Windows 2003 Advanced Server (64-bit)
• Windows 2008 Advanced Server (64-bit)

1. Click the file links to download the files from the Web page.
2. When prompted, select a drive and directory in which to save the downloaded files.

1. Double click the downloaded exe file.
2. Follow the instruction to complete the installation.
3. All files will be installed to the C:\SWTOOLS\ldiag folder.

1. Go to the C:\SWTOOLS\ldiag folder.
2. Double-click the lsc_lite.exe file.
3. Click Yes when the User Account Control window opens.
4. Select the device class to be tested.
5. Select the devices to be tested.
6. Select the tests to be performed.

1. Delete the C:\SWTOOLS\ldiag folder to remove all related files from the system.