Compaq 6000 Maintenance & Service Guide: HP Compaq 6000 Pro Microtower Bus - Page 224
Solving Audio Problems
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Table D-5 Solving Display Problems (continued) 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. unable to correctly interpret the output synchronization of the graphics card. 2. Select the monitor's Auto-Adjustment option in the monitor's on-screen display menu. Manually synchronize the Clock and Clock Phase onscreen 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. Solving Audio Problems If the computer has audio features and you encounter audio problems, see the common causes and solutions listed in the following table. Table D-6 Solving Audio Problems Sound cuts in and out. Cause Solution Processor resources are being used by other open applications. Direct sound latency, common in many media player applications. Shut down all open processor-intensive applications. In Windows XP only: 1. From the Control Panel, select Sounds and Audio Devices. 2. On the Audio tab, select a device from the Sound Playback list. 3. Click the Advanced button and select the Performance tab. 4. Set the Hardware acceleration slider to None and the Sample rate conversion quality slider to Good and retest the audio. 5. Set the Hardware acceleration slider to Full and the Sample rate conversion quality slider to Best and retest the audio. 212 Appendix D Troubleshooting Without Diagnostics