Compaq Presario 5BW Series, Maintenance And Service Manual

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Extended RAM
failed at offset nnn
Extended memory not working or not
configured properly
1. Replace the memory modules .
2. Replace the system board .
Failing Bits nnn nnn is a map of the bits at the RAM
address which failed the memory test
1. Run Setup .
2. Replace the system board .
Fixed Disk 0 or 1
Failure
Hard drive is not working or not
configured properly
1. Run Setup .
2. Replace the signal cable.
3. Replace the hard drive.
Fixed Disk
Controller Failure
Hard drive is not working or not
configured properly
1. Run Setup .
2. Replace the system board .
Incorrect Drive A
Type
Type of diskette in drive A: not
correctly identified
1. Run Setup .
2. Replace the diskette drive .
Invalid NVRAM
Media Type
Problem with NVRAM (CMOS) access Replace the system board .
Keyboard Controller
Error
Keyboard, I/O keyboard controller (on
system board), or mouse error
1. Replace the keyboard.
2. Replace the mouse.
3. Replace the system board .
Keyboard Error Keyboard, I/O keyboard controller (on
system board), or mouse error
1. Replace the keyboard.
2. Replace the mouse.
3. Replace the system board .
Operating System
Not Found
Operating system cannot be located on
either drive A: or C:
Run Setup .
Parity Check 1 Parity error found in the system bus 1. Run Setup .
2. Replace the memory modules .
3. Replace the system board .
Parity Check 2 Parity error found in the I/O bus 1. Run Setup .
2. Replace the ISA board (modem) .
Real Time Clock
Error
Real-time clock fails BIOS test Replace the system board .