Question about Dell OPTIPLEX 980 SFF Desktop Computer (Intel CORE I3 530 250GB1GB) (BO9S8015)

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Change cmos battery in dell optiplex - Dell OPTIPLEX 980 SFF Desktop Computer (Intel CORE I3 530 250GB1GB) (BO9S8015)

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Posted on Jan 02, 2017

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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.

Posted on Feb 17, 2010

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SOURCE: Dell OptiPlex GX620 starts up then shuts down repeatedly

Try this: remove the DMOS battery and unplug the on/off switch plug. It's the one in the corner near the power supply. To be sure follow the cable from the front on/off switch board on back to this plug. Then plug the A/C cord in, if the system boots up fine, then replace the front panel power on/off swith board. Naturally you will not be able to power off the computer using the power switch (since we unplugged it), so you will have to just pull the plug. Hope this helps. Joe

Posted on Jul 22, 2010

SOURCE: dell optiplex gx 520 can't star up

check the power supply

Posted on Apr 11, 2012

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Password admin bios

Reset the CMOS by unplugging your Optiplex from the power cable & removing the CMOS battery.
The CMOS battery is just a larger "watch battery" about the size of a nickel. Remove it for a few seconds, put it back in & power it back up. This will reset the BIOS password & restore all the BISO settings to default however.

Oct 16, 2013 | Dell OptiPlex GX520 PC Desktop

1 Answer

Replace cmos battery of optiplex 740

Here is how the cmos battery looks like(look at video) at 2:15 running time of video shows you the cmos battery that is simular to a big watch battery. here a link for battery

Feb 22, 2013 | Dell OptiPlex 740 PC Desktop

1 Answer

Were do the jumpers go on a optiplex 330

There is the Password jumper (PSWD), and the CMOS jumper.

The CMOS battery is also termed the RTC battery.
Real Time Clock battery.
The CMOS jumper is labeled as RTCRST.

Real Time Clock ReSeT.

Jumper pin location is confusing if you go with Dell documentation.

Dell Support documentation shows the RTCRST jumper pins near the Intel chipset, and PSWD jumper pins near the outside edge of the motherboard.

I'm also looking at the Dell Optiplex 330, Technical Guidebook, Inside the Optiplex 330,

Location of RTCRST jumper pins, is near the left corner of the Intel chipset, instead of the right as shown above, and PSWD jumper pins are in the same location.

And several views of Optiplex 330 motherboard's on Ebay,

(Nice to have that Zoom in feature on Ebay now)

Jumper pins close to the white SATA 2 connector, are the RTCRST jumper pins.

Jumper pins at the bottom side of the Intel chipset are the PSWD jumper pins.

Jumper cap stays on PSWD jumper pins.
No jumper cap on the RTCRST jumper pins.


Oct 23, 2012 | Intel Motherboard

1 Answer

Need my dell optiplex masterpassword to get past windows log in

you can pull the cmos battery out to reset the bios password. also make sure the power is unplug as well. the cmos battery looks like the size of a nickel. pull it out wait 10 seconds and put it back in.

Feb 23, 2012 | Dell System Board for Optiplex GX 150,...

1 Answer

When booting my dell optiplex GX270 desktop,"alert! system battery low pops out, press F1 to continue or F2 for setup utility" and the screen colour chances. please, what do i do?

i think this is the problem about your cmos battery so first you change your cmos battery contained in your lap is attached with your laptop motherboard.

Sep 03, 2011 | Dell OptiPlex GX270 PC Desktop

2 Answers

Where is the jumper to clear the cmos

Another way to clear the CMOS settings. Remove the BIOS/CMOS battery and short out the battery contacts with a paper clip then replace the battery.

Aug 11, 2011 | Dell OptiPlex GX620n PC Desktop

1 Answer

Where is blinking amber light located on dell

Replace CMOS Battery.

1. Locate your CMOS battery
2. Obtain battery information
3. Removing the battery
4. Removing the battery
5. Enter CMOS values

This link will guide you. CMOS

Thank you for posting..

Jun 30, 2011 | Dell OptiPlex GX520 PC Desktop

1 Answer

Where can I buy a new battery for Dell Optiplex GX270? (I brought it second hand from my last employer. At the front it says Optiplex GX270 it does look like a other ones on ebay, but the sticker on the...

I am guessing you mean the motherboard CMOS battery.

Here is one place

Replacing the battery

Feb 14, 2011 | Dell OptiPlex GX270 PC Desktop

3 Answers

What type of CMOS battery do I need for Optiplex SX270

CR2032 battery, located on the motherboard here,

Jan 05, 2010 | Dell OptiPlex SX270 PC Desktop

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