How to remove cmos battery in dell optiplex 360

SOURCE: why won't sound work on my dell optiplex 360

make sure you have the latest audio drivers on your dell

here you go install this
http://support.dell.com/support/downloads/driverslist.aspx?os=WLH&osl=EN&catid=3&impid=-1&servicetag=&SystemID=PLX_360&hidos=WLH&hidlang=en&TabIndex=

hope this helps

SOURCE: I have an Dell OptiPlex GX150 and the cmos clock

First you should check that you cmos connection is clean, not just from dust ect, but is it possible that the original battery leaked? This would of caused a short circuit and the damage is what is causing the batteries to leak.
Flashing the CMOS is the next route, this is done by going to the site of the Motherboard Manufacturer, it will also explain how to Flash/Upgrade the CMOS.
If this doesnt solve it it, you need to check that the pins/Jumpers that control the BIOS, again the site for your motherboard will have a print where you can check that the pins are correct(check that the are fitted tightly first!)
Next, try resetting the jumper for the BIOS, usually located closest to the battery. remove it with the power off, power on and off, then enter the BIOS and load default settings. It will Beep while starting up (if allowed) this will not cause a problem, the beeps are only telling you there is a problem, but you already know the jumper settings are wrong.
If these fail, then its most like a short circuit, if this is the case, pack it all in a box and return to Dell.

Testimonial: "Thanks for the help and the rapid response."

SOURCE: remove or reset bios password on dell optiplex

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SOURCE: Yellow light on the power

A solid orblinking Amber power button indicates a voltage problem. This can be caused bya defective power supply or a defective motherboard. Just to make sure thatnothing else is causing the problem, remove any PCI cards like modem, videocard, sound card, etc... Remove the memory modules and disconnect cables toCD/DVD drives. Look at the USB ports to see if any are damaged.

SOURCE: dell optiplex gx 520 can't star up

check the power supply