Interpreting Post Diagnostic Audible Codes - HP Pro 2110 Small Form Factor Maintenance & Service Manual

Table 10-1 Numeric Codes and Text Messages (continued)
Control panel message
The machine cover has been removed since
last system startup. Please ensure that any
system access was authorized. Press <F2> to
continue.
Hard disk failure is imminent. Please back up
your hard disk and have it replaced! Press
<F10> for Setup, <F2> to continue.
Warning: Changing setup options while
resuming from Hibernate may cause your
system to fail to resume.

Interpreting POST Diagnostic Audible Codes

This section covers the audible codes that may occur before or during POST that do not necessarily
have a text message associated with them.
WARNING!
the system board. To reduce the risk of personal injury from electrical shock and/or hot surfaces, be
sure to disconnect the power cord from the wall outlet and allow the internal system components to cool
before touching.
NOTE: Recommended actions in the following table are listed in the order in which they should be
performed.
Not all audible codes are available on all models.
Table 10-2
Beep Definition
1 short beep and 1 long beep
followed by long pause
182 Chapter 10 POST Error Messages
Description
Computer cover was removed since last
system startup.
Hard drive is about to fail.
Warning message.
When the computer is plugged into an AC power source, voltage is always applied to
Diagnostic Audible Codes
Possible Cause
Bad memory or memory
configuration error.
Recommended action
On some models no action is required. On
other models you must clear the warning
message in the Computer Setup utility. To do
so, restart the computer and press
before the computer boots to the operating
system to enter the Computer Setup utility. In
the PC Health menu, open the Chassis
Opened Warning item and select Clear.
Save your changes and exit the Computer
Setup utility.
Back up data on the hard drive and replace
the drive.
No recommended action.
Recommended Action
CAUTION:
To avoid damage to the DIMMs or the
system board, you must unplug the computer power
cord before attempting to reseat, install, or remove a
DIMM module.
1. Reseat DIMMs.
2. Ensure that the DIMMs are installed in the correct
memory sockets.
3. Replace DIMMs one at a time to isolate the faulty
module.
4. Replace third-party memory with HP memory.
5. Replace the system board.
F10