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October 16th, 2022 14:00
Optiplex 390 sff amber light 4 on, what does that mean?
Optiplex 390 sff amber light 4 on. Hello, I have a dell optiplex 390 sff with amber light 4. I did a cpu upgrade and then it showed the error. I put in the og core i5 2400 cpu back in and still shows the amber light 4. It is only the 4 light, no other light. I took out my GPU and my pci wifi card, still only light 4, please help me.
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redxps630
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October 16th, 2022 21:00
Diagnostic led code does not include 4 only according to manual. First try replace cmos battery w new cr2032 then try clear cmos settings by motherboard RTCRST jumper.