Troubleshooting 2-13
Table 2-11
Video Test Error Codes
Error Code Description Recommended Action
501-xx Video controller test failed. The following actions apply to error codes 501-xx
through 516-xx:
502-xx Video memory test failed. 1. Disconnect external monitor and test with
internal LCD display.
503-xx Video attribute test failed. 2. Replace the display assembly and retest.
504-xx Video character set test failed. 3. Replace the system board and retest.
505-xx Video 80 × 25 mode 9 × 14 character
cell test failed.
506-xx Video 80 × 25 mode 8 × 8 character
cell test failed.
507-xx Video 40 × 25 mode test failed.
511-xx Video screen memory page test failed.
512-xx Video gray scale test failed.
514-xx Video white screen test failed.
516-xx Video noise pattern test failed.
2402-xx Video memory test failed. The following actions apply to error codes
2402-xx through 2456-xx:
2403-xx Video attribute test failed. 1. Run Compaq Utilities.
2404-xx Video character set test failed. 2. Disconnect external monitor and test with
internal LCD display.
2405-xx Video 80 × 25 mode 9 × 14 character cell
test failed.
3. Replace the display assembly and retest.
4. Replace the system board and retest.
2406-xx Video 80 × 25 mode 8 × 8 character cell
test failed.
2411-xx Video screen memory page test failed.
2412-xx Video gray scale test failed.
2414-xx Video white screen test failed.
2416-xx Video noise pattern test failed.
2418-xx ECG/VGC memory test failed.
2419-xx ECG/VGC ROM checksum test failed.
2421-xx ECG/VGC 640 × 200 graphics mode test
failed.
2422-xx ECG/VGC 640 × 350 16 color set test
failed.
2423-xx ECG/VGC 640 × 350 64 color set test
failed.
2424-xx ECG/VGC monochrome text mode test
failed.
2425-xx ECG/VGC monochrome graphics mode test
failed.
2431-xx 640 × 480 graphics test failed.
2448-xx Advanced VGA Controller test failed.
Continued
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