User's Manual

English 69
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
(preceeded by a 30” time-out)
Check that HDD is connected.
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
device 0079 on motherboard
Clear CMOS, see “To Clear the CMOS Memory” on page 68.
Video Plug and Play interrupted or
failed Re-enable in Setup and try again
You may have powered your PC Off/On too quickly and the
PC turned off Video plug and play as a protection.
System CMOS checksum bad - run
Setup
CMOS contents have changed between 2 power-on
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
POST
Check that cache memory and main memory are correctly
set in their sockets.
uno.bk : uno5_tr.fb4 Page 69 Monday, July 21, 1997 12:46 PM