indabush
1 Copper

Optiplex 790 SFF Win 7

I have an old Optiplex 790 SFF that crashed and I have no clue what the matter is. The power light is solid amber, error codes 2, 3 & 4 are flashing, keyboard, mouse and monitor do not work. I thought the issue was with the BIOS but I can't install, assuming thats the problem to begin with. HELP!!

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2 Replies
fireberd
6 Indium

Re: Optiplex 790 SFF Win 7

That suggests a motherboard failure.

 



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speedstep
6 Thallium

Re: Optiplex 790 SFF Win 7

You can get a working system for very little.

You have a bad power supply and fried motherboard.

https://www.lambroinc.com/desktops?lightbox=dataItem-jctxo0zm

 

 

 


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