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The following beep codes are common to many HP and Compaq desktop computers. Use these codes before referring to the other codes when they occur.
Beeps
Description
1 short beep and 1 long beep
Memory problem
2 short beeps and 1 long beep (repeats 5 times)
Unable to initialize video or video card required but not installed
3 short beeps and 1 long beep
CPU configuration error or CPU type is not compatible
The following beep codes are common to many HP and Compaq desktop computers that can occurwhile restoring, flashing or updating the BIOS :
Beeps
Description
1 short beep
Legacy floppy drive or CD/DVD drive not detected
2 short beeps
Floppy diskette or compact disc not detected
3 short beeps
Unable to start flashing (such as when missing a utility or BIOS image)
4 short beeps
Flashing failed (checksum error, corrupted image, etc.)
5 short beeps
BIOS recovery successful
You can refer to the link mentioned below for further troubleshooting: http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&docname=bph07107#N589
If you see no lights, hear no fans running, no disk drives running then
the problem is probably a bad power supply or motherboard. Get a quote
from your local computer shop then try the guys at:
http://www.generalsystemsconsulting.com
They will fix it and ship it back by Fedex or UPS. They are very economical and good.
This error is not the same as a CMOS Checksum Error, which refers to corrupted values of the CMOS settings, the ones you set through the BIOS setup program. This error means the contents of the BIOS code itself are damaged.
During the boot process you will see on the screen to press delete to enter setup Press and hold delete during the boot up process to enter BIOSyou can load failsafe defaultsor load optimized defaults ,press escape then press f10 to save to cmos to restart click start control panel date and time you can make your adjustments to the date and time from there also right click on the date and time on the bottom toolbar (bottom of screen)you should seeAdjust date and time tab hope this helps you
This is a typical sign that the CMOS battery (on the motherboard) has failed & needs to be replaced. After replacing the CMOS battery, you will need to boot into BIOS & save CMOS settings.
You can download the drivers from the Compaq/HP WEBsupport/download page. Make sure you
select your model laptop and the XP orVista Windows version of the drivers you require and install them. Click onthis link to download the drivers: - www.compaq.com/country/cpq_support.html
BIOS checksum errors occurs when either the BIOS chjp is faulty or most likely the BIOS battery is nearly flat and the stored info changes and doesn't match the checksum info.
Replace the battery with a new one, leave the battery out for 1/2 hour before inserting the new battery. The BIOS will be reset to the default settings, you need to configure it again eg, datr and time etc.
If the bios is showing no ide, means that your ide hard drive is not being detected. This can be caused by some motherboard failure, some bad cable connection or caddie connection or bad hard drive.
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