"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1683,1685, 1887, 1688 and 1690

507-xx

508-xx

509-xx

510-xx

511-xx

512-xx

514-xx

516-xx

2402-xx

2403-xx

2404-xx

2405-xx

2406-xx

2408-xx

2409-xx

2410-xx

2411-xx

2412-xx

2414-xx

2416-xx

2418-xx

2419-xx

2421-xx

Video 40 x 25 mode test failed

Video 320 x 200 mode color set 0 test failed

Video 320 x 200 mode color set 1 test failed

Video 640 x 200 mode test failed

Video screen memory page test failed

Video gray scale test failed

Video white screen test failed

Video noise pattern test failed

Video memory test failed

Video attribute test failed Video character set test failed

Video 80 x 25 mode 9 x 14 character cell test failed

Video 80 x 25 mode 8 x 8 character cell test failed

Video 320 x 200 mode color set 0 test failed

Video 320 x 200 mode color set 1 test failed

Video 640 x 200 mode test failed

Video screen memory page test failed

Video gray scale test failed

Video white screen test failed

Video noise pattern test failed

ECG/VGC memory test failed ECG/VGC ROM checksum test failed

ECG/VGC 640 x 200 graphics mode test failed

The following steps apply to error codes

2402-xx through 2456-xx:

1.Run the Configuration and Diagnostics Utilities.

2.Replace the display assembly and retest.

3.Replace the system board and retest.

1.Run the Configuration and Diagnostics Utilities.

2.Disconnect external monitor and test with internal LCD display.

3.Replace the display assembly and

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