Compaq Presario 1900 XL1 Maintenance & Service Manual page 110

Troubleshooting Section
2419-xx Failed ECG/VGC ROM Checksum
Test.
2421-xx Failed ECG/VGC 640 × 200
graphics mode Test.
2422-xx Failed ECG/VGC 640 × 350 16
Color Set Test.
2423-xx Failed ECG/VGC 640 × 350 64
Color Set Test.
2424-xx Failed ECG/VGC Monochrome Text
Mode Test.
2425-xx Failed ECG/VGC Monochrome
Graphics Mode Test.
2431-xx Failed 640 × 480 Graphics Test.
2432-xx Failed 320 × 200 Graphics (256
color mode) Test.
2448-xx Failed Advanced VGA Controller
Test.
2451-xx Failed 132-column Advanced VGA
Test.
2456-xx Failed Advanced VGA 256 Color
Test.
2458 -xx Failed Advanced VGA BitBLT Test.
2468-xx Failed Advanced VGA DAC Test.
2477-xx Failed Advanced VGA data path
Test.
2478-xx Failed Advanced VGA BitBLT Test.
2480-xx Failed Advanced VGA LineDraw
Test.
3206 -xx Audio System Internal Error
TouchPad/Pointing Device Interface Test Error Codes
8601 -xx Failed Mouse Test.
8602-xx Failed Interface Test.
file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5error.html (6 of 7)6/27/2004 11:46:28 AM
1. Run the Configuration and
Diagnostics Utilities.
2. Disconnect external monitor and test
with
3. Replace the display assembly and
retest.
4. Replace the system board and
retest.
The following step applies to error
codes 2458-xx through 2480-xx:
Replace the system board and retest.
Audio Test Error Codes
1. Replace the system board and
retest.
1. Replace the TouchPad and retest.
2. Replace the system board and
retest.
internal LCD display.