C–4
376220-001
Service Reference Guide, dc5100
605-Diskette Drive Type
Error
Mismatch in drive type.
Run Computer Setup (F10 Setup).
Disconnect any other diskette controller
devices (tape drives).
Clear CMOS.
912-Computer Cover
Has Been Removed
Since Last System Start
Up
No action required.
917-Front Audio not
Detected
Front audio harness has
been detached or
unseated from the system
board.
Reconnect or replace front audio
harness.
919-Front Panel,
MultiPort, and/or
MultiBay Risers not
Detected.
Riser card has been
removed or has not been
reinstalled properly in the
system.
Unplug computer and install/reinstall
riser cord.
921-Device in PCI
Express slot failed to
initialize.
There is an
incompatibility/problem
with this device and the
system or PCI Express Link
could not be retrained to
an X1.
Try rebooting the system. If the error
reoccurs, the device may not work with
this system.
✎
This error message applies to the PCI Express Graphics slot using Intel 9X1 Express chipsets. This
slot supports x1 and x16 (PCI Express Link Width cards) only. If a x4 or x8 card is used, system
BIOS will attempt to retrain to a x1. If this fails, the 921 error message will be displayed.
1720-SMART Hard
Drive Detect Imminent
Failure
Hard drive is about to
fail. (Some hard drives
have a firmware patch
that will fix an erroneous
error message.)
Determine if hard drive is giving correct
error message. Run the Drive Protection
System test if applicable.
Apply firmware patch if applicable. (see
www.hp.com/support)
Back up contents and replace hard drive.
1785-MultiBay
incorrectly installed
(for MultiBay option on
non-USDT systems)
Multibay option ribbon
cables not seated or
improperly attached.
or
MultiBay device not
properly seated.
or
MultiBay diskette present.
Ensure the MultiBay option is attached
as device 0 on the IDE cable.
Ensure no other device is attached to the
same IDE cable.
Ensure both ends of the IDE and
MultiBay ribbon cables are properly
seated.
Ensure the MultiBay device is fully
inserted.
Ensure a MultiBay diskette is not present
(MultiBay diskette drives are not
supported by the MultiBay option).
POST Error Messages
Screen Message
Probable Cause
Recommended Action