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"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670
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 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.
2403-xx Video attribute test failed
2404-xx Video character set test failed
2405-xx
Video 80 × 25 mode 9 × 14
character cell test failed
2406-xx
Video 80 × 25 mode 8 × 8
character cell test failed
2408-xx
Video 320 × 200 mode color set 0
test failed
2409-xx
Video 320 × 200 mode color set 1
test failed
2410-xx Video 640 × 200 mode 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 1. Run the Configuration and
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.
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 failure
file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...ESARIO%201270,%201670,%20and%201675/error.html (5 of 7)6/27/2004 2:46:20 AM