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 |
unable to correctly interpret the output synchronization of the |
| monitor’s |
graphics card. | 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 (some models). | 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. You can copy the symbol from the Character Map into a document.
In Windows 7, click Start, select All Programs, select Accessories, select System Tools, and then select Character Map.
In Windows 8, on the Start screen, type ch, and then select Character Map from the list of applications.
158 | Chapter 8 Troubleshooting Without Diagnostics |
