Compaq Presario Series Maintenance And Service Manual page 156

Fixed Disk 0 or 1 Hard drive is not working or not
Failure configured properly
Fixed Disk Hard drive is not working or not
Controller Failure configured properly
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
1. Run Setup.
2. Replace the signal cable.
3. Replace the hard drive.
1. Run Setup.
2. Replace the system board.
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
Replace the system board.
1. Replace the RTC battery.
2. Run Setup.
Status message. No action required.
Run Setup.
(modem).