Compaq 7020 manual Troubleshooting

4

Troubleshooting

This monitor has been pre-adjusted using factory standard VGA timings. Due to the output timing differences among various VGA cards in the market, users may initially experience an unstable or unclear display whenever a new display mode or new VGA card is selected.

Note: This monitor supports multiple VGA modes. Refer to the Preset Display Modes Table for a listing of modes supported by this monitor.

PROBLEM: Picture is unclear and unstable.

The picture is unclear and unstable, please perform the following steps :

1.Enter PC to "Shut Down Windows" status while you're in MS-Windows environment.

2.Check the screen to see if there's any black vertical stripes appear. If there are, take advantage of the "Clock" function in OSD menu and adjust (by increment or decrement numbers) until those bars disappear.

3.Move to "Phase" function in OSD menu again and adjust the monitor screen to its most clear display.

4.Click "No" on "Shut Down Windows" and back to the normal PC operating environment.

Compaq 7020 Flat Panel Monitor User’s Guide 4-1