130 Troubleshooting Tools
Error MessagesFill out the "Diagnostics Checklist" on page294 as you complete these checks.
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide.
If the message is not listed, see the documentati on for the operating system or
the program that was running when the message appeared.
3-3-2 Invalid NVRAM configuration
3-3-4 Video Memory Test failure
3-4-1 Screen initialization failure
3-4-2 Screen retrace failure
3-4-3 Search for video ROM failure
4-2-1 No timer tick
4-2-2 Shutdown failure
4-2-3 Gate A20 failure
4-2-4 Unexpected interrupt in protected mode
4-3-1 Memory failure above address 0FFFFh
4-3-3 Timer-chip counter 2 failure
4-3-4 Time-of-day clock stopped
4-4-1 Serial or parallel port test failure
4-4-2 Failure to decompress code to shadowed memory
4-4-3 Math-coprocessor test failure
4-4-4 Cache test failure
A FILENAME CANNOT CONTAIN ANY OF THE FOLLOWING CHARACTERS: \ /: * ? “ < > | — Do not
use these characters in filenames.
Code Cause