Display size reduced after a 8.1 update on HP Pavilion with AMD Radeon HD 8470

The HP Pavilion Ref.. 500 - 115ed / D7F07EA #ABH with the AMD Radeon HD 8470 display adapter.  has been connected with a HDMI cable to a monitor 22 inches (LG22EN43).

After upgrade to 8.1 Windows 64 bit (from the 8 64 bit windows) OS only 20 inches of the screen is beeing used.

Screen resolution: 1920 x 1080. (1680 x 1050 it displays on 22-inch again)

As prescribed by the HP helpdesk, I installed the latest driver from the HP Web page display.

Also the BIOS has been updated, but the two actions did not solve the problem.

After installation of the AMD Catalyst software, I could access the Catalyst Control Center.  Here, it was possible to adjust the Underscan.

Now we have 1920 x 1080 on a 22-inch monitor.

Tags: HP Desktops

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