Compaq 1234 Maintenance & Service Manual page 56

"Compaq.com - Compaq Presario 1200 Series Maintenance and Service Guide - Models: 1234, 1235, 1236, 1237, 1238, 1240, 1242, 1250, and 1252
Video screen memory page test
511-xx
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
2403-xx Video attribute test failed
2404-xx 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 color set 0
2408-xx
test failed
Video 320 × 200 mode color set 1
2409-xx
test failed
2410-xx Video 640 × 200 mode test failed
Video screen memory page test
2411-xx
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 1. Run the Configuration and
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
file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...%201238%201240%201242%201250%201252/error.html (5 of 7)6/27/2004 2:23:14 AM
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.
Diagnostics Utilities.
2. Disconnect external monitor and test
with internal LCD display.
3. Replace the display assembly and
retest.
4. Replace the system board and retest.