Dell Alienware Area-51 ALX (Late 2009) - Manual (Page 51)

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CHAPTER 6: TROUBLESHOOTING
The computer stops responding or a solid blue screen appears
WARNING: You might lose data if you are unable to perform an operating
system shutdown.
If you are unable to get a response by pressing a key on your keyboard or moving
your mouse, press and hold the power button for at least 6 seconds until the
computer turns off, then restart your computer.
A program stops responding or crashes repeatedly
End the program:
Press <Ctrl><Shift><Esc> simultaneously. 1.
Click the 2. Applications tab and select the program that is no longer
responding.
Click
3. End Task.
Check the software documentation.
If necessary, uninstall and then reinstall the program.
Computer
The computer fails the POST:
The computer POST (Power On Self Test) ensures that all hardware is working
properly before starting the remainder of the boot process. If the computer
passes the POST, the computer will continue to start normally. However, if the
computer fails the POST, the computer will emit a series of beeps during start-
up if the monitor cannot display errors or problems. The following repetitive beep
codes help you troubleshoot problems with your computer. For assistance, contact
Alienware (for details, see “CONTACTING ALIENWARE“ on page 70).
NOTE: To replace parts, see the Service Manual at
support.dell.com/manuals.
Beep code Possible problem
One Possible motherboard failure - BIOS ROM checksum failure
Two No RAM detected
NOTE: If you installed or replaced the memory module, ensure
that the memory module is seated properly.
Three Possible motherboard failure - chipset error
Four RAM read/write failure
Five Real Time Clock failure
Six Video card failure