SYS File Information
File Version : 4.20.02.03 built by: WinDDK
Description : HP Tablet PC Key Button HID Driver
Copyright : © Copyright 2002-2005 Hewlett-Packard Development Company, L.P.
Product Version : 4.20.02.03
Product Name : HP Quick Launch Buttons
Company Name : Hewlett-Packard Development Company, L.P.
Internal Name : cpqbttn64.sys
File Size: 13KB
How To Install cpqbttn64.sys
1. Download the required .sys file from dllfound.com
2. Copy that .sys file into the application or game folder, or you can copy it into the Windows system folder.
3. By default, this is C:\WINNT\system32\drivers (Windows NT/2000), or C:\Windows\system32\drivers (Windows 10, 8.1, xp).
Make sure overwrite any existing files (but make a backup copy of the original file) That should be it. Although not necessary you can reboot your computer as well.
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