Table
Vibrating or rattling noise coming from inside a CRT monitor when powered on.
Cause | Solution |
|
|
Monitor degaussing coil has been activated.
None. It is normal for the degaussing coil to be activated when the monitor is powered on.
Clicking noise coming from inside a CRT monitor.
Cause | Solution |
|
|
Electronic relays have been activated inside the monitor.
None. It is normal for some monitors to make a clicking noise when turned on and off, when going in and out of standby mode, and when changing resolutions.
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 unable to correctly interpret the output synchronization of the graphics card.
1.Select the monitor’s
2.Manually synchronize the Clock and Clock Phase on- screen display functions. To download a SoftPaq that will assist you with the synchronization, go to the following Web site, select the appropriate monitor, and download either SP32347 or SP32202: http://www.hp.com/support
Graphics card is not seated properly or is bad.
1.Reseat the graphics card.
2.Replace the graphics card.
Certain typed symbols do not appear correct.
Cause | Solution |
|
|
The font you are using does not support that particular symbol. Use the Character Map to locate and select the appropriate symbol. Click Start > All Programs > Accessories > System Tools > Character Map. You can copy the symbol from the Character Map into a document.
26 Chapter 2 Troubleshooting Without Diagnostics | ENWW |