HP Presario X1200 HP and Compaq Notebook PC Series - Maintenance and Service G - Page 54
Flowchart 2.6-No Video, Part 1
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Troubleshooting Flowchart 2.6-No Video, Part 1 No video. Stand-alone or port replicator? Port Replicator Go to Flowchart 2.7, No Video, Part 2. *NOTE: To change from internal to external display, use the hotkey combination. Stand-alone Internal or external display*? External Adjust brightness. Adjust brightness. Internal A Y Video OK? N Press lid switch to ensure operation. Done Y Y Video OK? Done Video OK? Done N N Check for bent pins on cable. Replace the following one at a time. Test after each replacement. 1. Cable between notebook and notebook display (if applicable) 2. Inverter board (if applicable) 3. Display 4. VGA board 5. System board N N Video OK? Y Try another display. Internal and external video OK? Y Replace system board. Done Done Maintenance and Service Guide 2-13