Lenovo Enhanced Performance USB Keyboard (73P2620)
Lenovo Wireless Keyboard and Mouse (73P4067)
USB Enhanced Performance and USB Enhanced Performance Wireless keyboard driver for Windows 7 (32-bit) and (64-bit)

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

1. Click Start, click Start Search.
2. Type v1kyb05us17.exe in the search field, then click Search Everywhere. This will locate the file you just downloaded.
3. Double-click the v1kyb05us17.exe icon. You may see a dialog stating "A program needs your permission to continue". If you see this dialog, click Continue.
4. Click Next. Read the license agreement.
5. Click I accept the terms in the license agreement.
6. Click Next.
7. Ensure that "Save files in folder" is set to C:\SWTOOLS\DRIVERS\KYB\v1kyb05us17.
8. Click Next. The necessary files will be extracted to your hard drive.
9. Click Finish.
   

1. Click Start, click All Programs, click Accessories, then click Run.
2. Type C:\SWTOOLS\DRIVERS\KYB\v1kyb05us17\Setup.exe, then click OK. The setup program will run. Follow all onscreen prompts and reboot your system when done.
   

1. Click Start, click All Programs, click Accessories, then click Run.
2. Type C:\SWTOOLS\DRIVERS\KYB\v1kyb05us17\Setup.exe /s /v/qn
3. Click OK.
   

1. Click Start, then click Control Panel.
2. Under Programs, click Uninstall a program.
3. Right-click USB Enhanced Performance Keyboard, then click Uninstall/Change. You may see a dialog stating "Windows needs your permission to continue". If you see this dialog, click Continue.
4. Follow the on-screen instructions to complete the uninstallation procedure.