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Chapter 6: Troubleshooting
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Battery replacement
If you have problems after installing a new CMOS battery, try each of the
following items, restarting the server after each try:
■ Turn off the server and make sure that all exterior cables are attached and
secured to the correct connectors.
■ Make sure that all power switches are on. If the server is plugged into a
surge protector or UPS, make sure that it is turned on.
■ Open the BIOS Setup utility and compare the settings on the screen with
your notes, then correct any discrepancies.
■ Remove the side panel by following the instructions in “Opening the server
case” on page 42, then make sure that all cables inside the case are attached
securely. Also, make sure that the colored cable edges are aligned correctly
and that the connectors do not miss any pins. Close the case.
■ If you have the correct test equipment, make sure that the new battery
has power. Although unlikely, your new battery may be defective.
Beep codes
Whenever a recoverable error occurs during the power-on self-test (POST), the
BIOS displays an error message that describes the problem. The BIOS also sounds
a beep code (one long tone followed by two short tones) during POST if the
video configuration fails (a faulty video controller) or if an expansion card is
not functioning correctly.
An PCI expansion card (for example, a RAID controller) can also issue audible
errors by itself, usually consisting of one long tone followed by a series of short
tones. For more information on the beep codes issued, check the
documentation for that device.
Warning To avoid bodily injury, do not attempt to troubleshoot your
server problem if:
■
Power cords or plugs are damaged
■
Liquid has been spilled into your server
■
Your server was dropped
■
The case was damaged
Instead, unplug your server and contact a qualified
computer technician.