HP Deskpro /M Desktop PC 486/66M Compaq Deskpro Family of Personal Computers, - Page 16
No Video, Part 2, Caution, Notes
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6. No Video, Part 2 Continued from Page 2-6, No Video, Part 1 Turn off power, disconnect power cord, and open the computer. Reseat processor, riser board, video card, and memory, then clear CMOS. Caution: Power is continuous to the system board and power supply even when the power switch is turned off. To prevent damage to the unit, disconnect the power cord from the power source or the unit before beginning disassembly procedures. Replace cover and power cord, then restart computer. Video OK, N computer starts? Y N Same symptoms? Y Message Y "System option not set"? N F1 "System option not set" routine Done Turn off computer and disconnect power. Replace components in system one at a time starting with hard drive. Test system after each replacement for video or beeps. Go to Page 2-8, No Video, Part 3 Notes: 1. System boards without a piezo speaker, or chassis without an internal speaker require an external speaker. 2. Some power supplies require a load greater than the system board alone to function properly. When disconnecting drives, disconnect the data cables but leave the power cables attached. 3. Remove auxiliary video card if integrated video. 4. Remove cache module on Deskpro 2000 models (if installed). Quick Troubleshooting Guide 2-7