Optiplex 755 won't boot

Question

When I turn on my Optiplex 755 I get the following message:

"Alert! System battery voltage is low. Strike the F1 key to continue, F2 to run the setup utilities. Press F5 to run onboard diagnostics"

Typically I would push the F1 key and it would boot up fine. Now when I push the F1 key I get the following message:

"A disk read error occurred Press Ctrl+Alt+Delete to restart"

I have pressed Ctrl+Alt+Delete to restart it but when it does it goes back to the black screen with the initial message up top that I typed. I have run the setup utilities and onboard diagnotics with nothing saying there are any errors.

What should my next step be? How can I try to get into Safe Mode? Thanks for any help anyone can provide.

speedstep · Answer

You need to buy and replace the DL2032 battery or this system will not boot ever again. 2.2 volts or lower will have that error.

https://www.dell.com/support/home/en-us/product-support/product/optiplex-755/docs

https://downloads.dell.com/manuals/all-products/esuprt_desktop/esuprt_optiplex_desktop/optiplex-755_user%27s%20guide_en-us.pdf

https://www.youtube.com/watch?v=rzzQo_wLcoE

Its unfortunate that the battery can cause this but they are not expensive.

https://www.staples.com/Duracell-DL2032-3-0-Volt-Lithium-Battery/product_273151

Most Grocery stores carry these because blood sugar machines use the same battery.

Optiplex Desktops

Optiplex 755 won't boot

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