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1 Copper

Optiplex 990 SFF Beep noise

Hi I have searched the forums and cannot find any solution. I am getting a beep noise even though there is no power connected to my pc and the pc is off. The beep noise is constant and I cannot recognise the pattern as well. Please help

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4 Ruthenium

Re: Optiplex 990 SFF Beep noise

Replace the size 2032 CMOS battery if it hasn't been done in the last 5 yrs.  A low battery can cause all sorts of bizarre problems.  And of course, please post back as to how it goes.

- Please kudos posts you like.
- Please "Accept as Solution" posts that are a solution.
- If you have an Optiplex, stating its model number AND size speeds troubleshooting. Components vary.

I'm a big fan of Dell, a Dell user, and not an employee. This forum is mainly user to user with occasional moderation or additional knowledge by a Rockstar or Dell employee.
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1 Copper

Re: Optiplex 990 SFF Beep noise

Thanks for a suggestion, however, do you have steps to replace the battery?

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8 Xenon

Re: Optiplex 990 SFF Beep noise

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