Compaq Presario 1246 Maintenance & Service Manual page 67

"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1246, 1277, 1278, and 1279
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file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...0SERIES%201246%201277%201278%201279/error.html (3 of 6)6/27/2004 2:33:51 AM
Failed Selftest/Interface Test
Failed Individual Key Test
Failed Keyboard Repeat Test
Parallel Printer Test Error Codes
Printer failed or not connected
Failed Port Test
Failed Printer Pattern Test
Video Test Error Codes (501-xx through 516-xx)
Failed Video Controller Test
Failed Video Memory Test
Failed Video Attribute Test
Failed Video Character Set Test
Failed Video 80 x 25 mode 9 x 14
Character Cell Test
Failed Video 80 x 25 mode 8 x 8
Character Cell Test
Failed Video 40 x 25 Mode Test
Failed Video 320 x 200 Mode Color
Set 0 Test
Failed Video 320 x 200 Mode Color
Set 1 Test
Failed Video 640 x 200 Mode Test
Failed Video Screen Memory Page
Test
Failed Video Gray Scale Test
Failed Video White Screen Test
Failed Video Noise Pattern Test
Diskette Drive Test
Failed Diskette ID Drive Types Test
Failed Diskette Format
Failed Diskette Read Test
2. Replace the keyboard and
retest.
3. Replace the system board and
retest.
1. Connect the printer.
2. Check power to the printer.
3. Install the loop-back connector
and retest.
4. Check port and IRQ
configuration.
5. Replace the system board and
retest.
1. Disconnect external monitor
and test with internal LCD display.
2. Replace the display assembly
and retest.
3. Replace the system board and
retest.
1. Replace the diskette media and
retest.
2. Check and/or replace the