Compaq Presario 1900 XL1 Maintenance & Service Manual page 109

Troubleshooting Section
504-xx Failed Video Character-set Test.
Failed Video 80 × 25 mode 9 × 14
505-xx
Character-cell Test.
Failed Video 80 × 25 mode 8 × 8
506-xx
Character- cell Test.
507-xx Failed Video 40 × 25 mode Test.
Failed Video 320 × 200 mode
508-xx
color set 0 Test.
Failed Video 320 × 200 mode
509-xx
color set 1 Test.
510-xx Failed Video 640 × 200 mode Test.
Failed Video Screen Memory Page
511-xx
Test.
512-xx Failed Video Gray Scale Test.
514-xx Failed Video White Screen Test.
516-xx Failed Video Noise Pattern Test.
2402 -xx Failed Video Memory Test.
2403-xx Failed Video Attribute Test.
2404-xx Failed Video Character-set Test.
Failed Video 80 × 25 mode 9 × 14
2405-xx
Character-cell Test.
Failed Video 80 × 25 mode 8 × 8
2406-xx
Character- cell Test.
Failed Video 320 × 200 mode
2408-xx
color set 0 Test.
Failed Video 320 × 200 mode
2409-xx
color set 1 Test.
Failed Video 640 × 200 mode
2410-xx
Test.
Failed Video Screen Memory Page
2411-xx
Test.
2412-xx Failed Video Gray Scale Test.
2414-xx Failed Video White Screen Test.
2416-xx Failed Video Noise Pattern Test.
2418-xx Failed ECG/VGC Memory Test.
file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5error.html (5 of 7)6/27/2004 11:46:28 AM
with internal LCD display.
2. Replace the display assembly and
retest.
3. Replace the system board and
retest.
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.