Compaq 100B Maintenance and Service Guide - Page 71

No Connection, Check, Signal Cable displays on screen., Fuzzy focus; streaking, ghosting

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"No Connection, Check Signal Cable" displays on screen. Cause Computer is not turned on. Monitor video cable is disconnected. Solution Press the power button on the front of the monitor. Connect the video cable between the monitor and computer. CAUTION: Ensure that the computer power is off while connecting the video cable. "Out of Range" displays on screen. Cause Video resolution and refresh rate are set higher than what the monitor supports. Solution Change the settings to a supported setting then restart the computer so that the new settings take effect. High pitched noise coming from inside a flat panel monitor. Cause Solution Brightness and/or contrast settings are too high. Lower brightness and/or contrast settings. Fuzzy focus; streaking, ghosting, or shadowing effects; horizontal scrolling lines; faint vertical bars; or unable to center the picture on the screen (flat panel monitors using an analog VGA input connection only). Cause Solution Flat panel monitor's internal digital conversion circuits may be 1. Select the monitor's Auto-Adjustment option in the unable to correctly interpret the output synchronization of the monitor's on-screen display menu. graphics card. 2. Manually synchronize the Clock and Clock Phase onscreen display functions. Graphics card is not seated properly or is bad. 1. Reseat the graphics card. 2. Replace the graphics card. 63

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63
“No Connection, Check
Signal Cable” displays on screen.
Cause
Solution
Computer is not turned on.
Monitor video cable is disconnected.
“Out of Range” displays on screen.
Cause
Solution
Video resolution and refresh rate are set higher than what the
monitor supports.
High pitched noise coming from inside a flat panel monitor.
Cause
Solution
Brightness and/or contrast settings are too high.
Fuzzy focus; streaking, ghosting, or shadowing effects; horizontal scrolling lines; faint vertical bars; or
unable to center the picture on the screen (flat panel monitors using an analog VGA input connection
only).
Cause
Solution
Flat panel monitor’s internal digital conversion circuits may be
unable to correctly interpret the output synchronization of the
graphics card.
Graphics card is not seated properly or is bad.
Press the power button on the front of the monitor.
Connect the video cable between the monitor and computer.
CAUTION:
Ensure that the computer power is off while
connecting the video cable.
Change the settings to a supported setting then restart the
computer so that the new settings take effect.
Lower brightness and/or contrast settings.
1.
Sel
ect the monitor’s Auto
-Adjustment option in the
monitor’s on
-screen display menu.
2.
Manually synchronize the Clock and Clock Phase onscreen
display functions.
1.
Reseat the graphics card.
2.
Replace the graphics card.