HP T5720 Troubleshooting Guide - HP Compaq t5000 Series Thin Client, 8th Editi - Page 45
No Video, Part 3 - power supply
UPC - 882780099517
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t5000 Troubleshooting Flow Chart (cont'd) Continued from Page 4-14 No Video, Part 3 Diagnostics and Troubleshooting Turn off power, disconnect power cord, and open the computer. Reseat flash, riser board, and PCI memory, then clear CMOS by removing and replacing the battery. Replace cover and power cord, then restart computer. 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. Video OK, N computer starts? Y Done F1-CMOS Same symptoms? N CMOS Y checksum checksum error defaults error - loaded defaults loaded Y N Turn off computer and disconnect power. Replace components in system one at a time starting with Flash. Test system after each replacement for video or beeps. Go to next page t5000 Troubleshooting Flow Chart No Video, Part 4 NOTE: Remove auxiliary video card if integrated video. Troubleshooting Guide www.hp.com 4-15