Compaq 17XL260 - Presario - PIII 500 MHz Maintenance And Service Manual page 59

Models: XL260, XL261, XL262, XL264, XL265, XL266, XL274, XL275, XL360, XL361,
XL362, XL363, XL364, XL365, XL366, XL367, XL368, XL369, XL370, XL371, XL372, XL373,
Error Code Description
501-xx Video controller test failed
502-xx Video memory test failed
503-xx Video attribute test failed
504-xx Video character set test failed
505-xx Video 80 x 25 mode 9 x 14
character cell test failed
506-xx Video 80 x 25 mode 8 x 8
character cell test failed
507-xx Video 40 x 25 mode test failed
508-xx Video 320 x 200 mode color
set 0 test failed
509-xx Video 320 x 200 mode color
set 1 test failed
510-xx Video 640 x 200 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
Presario 1700 Series
XL374, XL375, XL376, XL377, and XL378
Video Test Error Codes
Recommended Action
The following steps apply to error codes
501-xx through 516-xx:
1. Disconnect external monitor and test
with internal LCD display.
2. Replace the display assembly and
retest.
3. Replace the system board and retest.