Compaq Presario 18XL Maintenance & Service Guide Presario 1800/1800T Serie - Page 52

Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Error Code 2419-xx 2421-xx 2422-xx 2423-xx 2424-xx 2425-xx 2431-xx 2432-xx 2448-xx 2451-xx 2456-xx 2458-xx 2468-xx 2477-xx 2478-xx 2480-xx Video Test Error Codes Description Recommended Action ECG/VGC ROM checksum test failed ECG/VGC 640 x 200 graphics mode test failed ECG/VGC 640 x 350 16-color set test failed ECG/VGC 640 x 350 64-color set test failed ECG/VGC monochrome text mode test failed The following steps apply to error codes 2419-xx through 2456-xx: 1. Run the Configuration and Diagnostics utilities. 2. Disconnect external monitor and test with the Notebook display. 3. Replace the display assembly and retest. 4. Replace the system board and retest. ECG/VGC monochrome graphics mode test failed 640 x 480 graphics test failure 320 x 200 graphics (256-color mode) test failure Advanced VGA Controller test failed 132-column Advanced VGA test failed Advanced VGA 256 Color test failed Advanced VGA BitBLT test failed Advanced VGA DAC test failed Advanced VGA data path test failed The following solution applies to error codes 2458-xx through 2480-xx: Replace the system board and retest. Advanced VGA BitBLT test failed Advanced VGA LineDraw test failed Error Code 3206-xx Audio Test Error Codes Description Recommended Action Audio System Internal Error Replace the system board and retest. 16 TROUBLESHOOTING PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES