Table
Vibrating or rattling noise coming from inside a CRT monitor when powered on.
Cause | Solution |
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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 |
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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 |
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Brightness and/or contrast settings are too high. | Lower brightness and/or contrast settings. |
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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 | |
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Flat panel monitor’s internal digital conversion circuits may be | 1. | Select the monitor’s |
unable to correctly interpret the output synchronization of the |
| monitor’s |
graphics card. | 2. | Manually synchronize the Clock and Clock Phase on- |
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| screen display functions. To download a SoftPaq that will |
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| assist you with the synchronization, go to the following |
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| Web site, select the appropriate monitor, and download |
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| either SP32347 or SP32202: http://www.hp.com/ |
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Graphics card is not seated properly or is bad. | 1. | Reseat the graphics card. |
| 2. | Replace the graphics card. |
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Certain typed symbols do not appear correct.
Cause | Solution |
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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.
ENWW | Solving display problems 137 |