Post Beep Codes - Lenovo ThinkCentre M52 Quick Reference Manual

Code Description
8603 Pointing device error
No mouse was detected.

POST beep codes

Another way for POST to notify you of errors is through a series of audible
beeps. A beep pattern represents a numeric value and provides further
information about the location of a potential problem.
The following are the most common POST beep codes that you might hear
when starting your computer.
Beep pattern
1 long and 2 short
beeps
1 long beep followed
by a series of short
beeps
2 short beeps
1 short - 3 short - 3
short - 1 short
4 sets of 4 short
beeps
Here are some general guidelines for working with POST beep codes:
v Record any beep patterns that you hear. If you call for service, you will be
asked for the beep patterns.
v If the beep pattern is not in this book, more in-depth troubleshooting is
required.
Description
No on-screen message. Beeps
occur before video
initialization.
External ROM failure (such as
VGA)
A POST error occurred.
No memory or no
configuration memory
POV tamper; POV binding
information does not match
Action
v Install a mouse.
Or
v Set the mouse option correctly
using the Setup Utility.
If you cannot correct the problem,
have the computer serviced.
Action
Remove and reinstall the dual
inline memory modules
(DIMMs).
If the problem persists, have the
computer serviced.
If the problem persists, have the
computer serviced.
If you have changed the
hardware configuration, go into
the Setup Utility and exit to save
setting. Otherwise refer to error
code section to resolve error.
Reinstall the memory.
If problem persists, replace the
memory.
Make sure the original POV card
is properly seated in the socket.
Chapter 5. Troubleshooting and diagnostics
31