HP Pavilion 504k Desktop PC (AP)
HP Pavilion 504n Desktop PC (US)
HP Pavilion 505n Desktop PC (US/CAN)
HP Pavilion 505w Desktop PC (US)
HP Pavilion 506x Desktop PC (US)
HP Pavilion 510a Desktop PC (AP)
HP Pavilion 510c Desktop PC (US/CAN)
Windows XP
1.2 (15-Sep-2004)
HP Pavilion 500 Desktop PC series
This update resolves the "Unknown Publisher" issue when using "Updates from HP" or "Compaq Connections" powered by Backweb.
Malathy (DG Staff Member) on 27-Jul-2007
To get the HP Pavilion 504k Desktop PC (AP) 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 HP Pavilion 504k Desktop PC (AP) 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 HP 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 HP website. Most major device manufacturers update their drivers regularly.
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.