HP ProSignia 320 Desktop PC 6500C Compaq Deskpro Family of Personal Computers, - Page 54

Display

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Display Problem Screen is blank. Video colors are wrong. Characters are dim. Monitor does not function properly when used with the energy saver features. Screen goes blank. Blurry display or requested resolution cannot be set. Possible Solution 1. Monitor is not turned on and the monitor light is not on. Turn on the monitor and check that the monitor light is on. 2. Screen save has been initiated. Press any key or move the mouse to light the screen. 3. The cable connections are not correct. Check the cable connection from the monitor to the computer and check the electrical outlet. 4. The brightness need adjusting. Adjust the brightness control. 5. The QuickBlank feature has been enabled through Computer Setup. Run Computer Setup to disable it. 6. The energy saver feature has been enabled. Press any key or click the mouse button and, if one has been set, type the password. 7. The RGB (Red, Green, Blue) input switch on the back of the monitor is incorrectly set. Set the monitor's input switch to 75 ohms and set sync switch to External (if applicable). 8. System ROM is bad and system is running in FailSafe Boot Block mode (indicated by one long beep and three short beeps). Reflash the ROM using a ROMPaq diskette. 9. If a fixed-sync monitor is used, be sure that the monitor can accept the same sweep rate as the resolution chosen. 10.See "No Video" Flowchart. 1. Either the cabling or the monitor impedance is incorrect. 2. Ensure that the Red, Green, and Blue BNC cables are connected to the corresponding monitor connectors. 3. Be sure the monitor's RGB inputs are set to 75 ohms. 1. Adjust the monitor's brightness and contrast controls. 2. Check that the video cable is securely connected to the video card and monitor. 3. Set the RGB switch (and sync options, if available) to 75 ohms, with the sync set to External. Refer to the documentation included with the monitor. Monitor without the energy saver feature is being used with energy saver features enabled. Disable the monitor energy saver features. A screen blanking utility may be installed or energy saver features may be enabled. Press any key or type password. If the video controller was upgraded, the correct display drivers may not be loaded. Install the correct display drivers on the diskette included in the upgrade kit. continued A-6 Further Troubleshooting

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A
-
6
Further Troubleshooting
Display
Problem
Possible Solution
Screen is blank.
1. Monitor is not turned on and the monitor light is not on. Turn on the
monitor and check that the monitor light is on.
2. Screen save has been initiated. Press any key or move the mouse
to light the screen.
3. The cable connections are not correct. Check the cable connection
from the monitor to the computer and check the electrical outlet.
4. The brightness need adjusting. Adjust the brightness control.
5. The QuickBlank feature has been enabled through Computer
Setup. Run Computer Setup to disable it.
6. The energy saver feature has been enabled. Press any key or click
the mouse button and, if one has been set, type the password.
7. The RGB (Red, Green, Blue) input switch on the back of the
monitor is incorrectly set. Set the monitor's input switch to 75 ohms
and set sync switch to External (if applicable).
8. System ROM is bad and system is running in FailSafe Boot Block
mode (indicated by one long beep and three short beeps). Reflash
the ROM using a ROMPaq diskette.
9. If a fixed-sync monitor is used, be sure that the monitor can accept
the same sweep rate as the resolution chosen.
10. See
No Video
Flowchart.
Video colors are wrong.
1. Either the cabling or the monitor impedance is incorrect.
2. Ensure that the Red, Green, and Blue BNC cables are connected
to the corresponding monitor connectors.
3. Be sure the monitor's RGB inputs are set to 75 ohms.
Characters are dim.
1. Adjust the monitor's brightness and contrast controls.
2. Check that the video cable is securely connected to the video card
and monitor.
3. Set the RGB switch (and sync options, if available) to 75 ohms,
with the sync set to External. Refer to the documentation included
with the monitor.
Monitor does not function
properly when used with the
energy saver features.
Monitor without the energy saver feature is being used with energy
saver features enabled. Disable the monitor energy saver features.
Screen goes blank.
A screen blanking utility may be installed or energy saver features may
be enabled. Press any key or type password.
Blurry display or requested
resolution cannot be set.
If the video controller was upgraded, the correct display drivers may
not be loaded. Install the correct display drivers on the diskette
included in the upgrade kit.
continued