Compaq Presario 7400 Series Maintenance And Service Manual page 142

Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series
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Incorrect Drive A Type of diskette in drive A: not
Type correctly identified
Invalid NVRAM Problem with NVRAM (CMOS) access
Media Type
Keyboard Controller Keyboard, I/O keyboard controller (on
Error system board), or mouse error
Keyboard Error Keyboard, I/O keyboard controller (on
system board), or mouse error
Operating System Operating system cannot be located on
Not Found either drive A: or C:
Parity Check 1 Parity error found in the system bus
Parity Check 2 Parity error found in the I/O bus
Real Time Clock Real-time clock fails BIOS test
Error
System Battery is RTC battery is dead
Dead
System BIOS System BIOS copied to Shadow RAM
Shadowed
System Cache Error RAM cache failed the BIOS test
System CMOS CMOS is corrupted or modified
Checksum Bad incorrectly
System RAM Failed System RAM failed
at Offset, nnn
1. Run Setup.
2. Replace the diskette drive.
Replace the system board.
1. Replace the keyboard.
2. Replace the mouse.
3. Replace the system board.
1. Replace the keyboard.
2. Replace the mouse.
3. Replace the system board.
Run Setup.
1. Run Setup.
2. Replace the memory modules.
3. Replace the system board.
1. Run Setup.
2. Replace the ISA board (modem).
Replace the system board.
1. Replace the RTC battery.
2. Run Setup.
Status message. No action required.
Run Setup.
Run Setup.
Replace memory modules.