5 Troubleshooting Your PC

If Your PC Does Not Start

Power-On-Self-Test Errors that May Prevent Your PC From Starting

Message

Corrective Action and/or Explanation

Operating system not found

Check whether the disk, HDD, FDD or CD-ROM disk drive is

 

connected.

 

If it is connected, check that it is detected by Setup, see

 

“After Installing an IDE Drive” on page 64.

 

Check that your boot device is enabled on the Setup

 

Security menu.

 

If the problem persists, check that the boot device contains

 

the operating system.

Missing operating system

If you have configured HDD user parameters, check that

 

they are correct. Otherwise, use HDD type “Auto”

 

parameters.

Failure fixed disk

Check that HDD is connected.

(preceeded by a 30” time-out)

Check that HDD is detected in Setup.

 

Check that boot on hard disk drive is enabled in Setup, see

 

“The HP Setup Program” on page 51.

Diskette Drive A (or B) error

Check whether the diskette drive is connected. Check

 

Setup for the configuration, see “The HP Setup Program”

 

on page 51.

System battery is dead

You may get this message if the PC is disconnected for a

 

few days. When you Power-on the PC, run Setup to update

 

the configuration information. The message should no

 

longer be displayed. Should the problem persist, replace the

 

battery see “Changing the Battery” on page 80.

Keyboard error

Check that the keyboard is connected.

Resource Allocation Conflict -PCI

Clear CMOS, see “To Clear the CMOS Memory” on page 68.

device 0079 on motherboard

 

Video Plug and Play interrupted or

You may have powered your PC Off/On too quickly and the

failed Re-enable in Setup and try again

PC turned off Video plug and play as a protection.

System CMOS checksum bad - run

CMOS contents have changed between 2 power-on

Setup

sessions. Run Setup for configuration.

I/O device IRQ conflict

Serial ports A and B may have been assigned the same IRQ.

 

Assign a different IRQ to each serial port and save the

 

configuration.

No message, system “hangs” after

Check that cache memory and main memory are correctly

POST

set in their sockets.

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