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Tagged with post dell-optiplex
4
questions
2
votes
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answer
927
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DELL Optiplex 790 Shows only 3rd LED
My Dell Optiplex 790 Machine is not starting, and only 3rd Diagnostic LED is solid. Sometimes it's starting (After a 100 times restart)
Can anybody tell me what's the real issue ?
- 125
0
votes
1
answer
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Dell Optiplex GX270 - 2 short beeps
A static discharge happened in my Optiplex GX270 a few years ago, and I just now got around to replacing things. I've replaced the motherboard because I think it was the problem part, and the hard ...
- 199
1
vote
2
answers
851
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Is it possible to set diagnostic lights on a Dell Optiplex GX520 PC?
I have a Dell PC with 4 diagnostic lights in the front that light up during POST and then remain off. Is it at all possible to manipulate them from Windows? Would writing to low memory locations using ...
- 1,235
2
votes
0
answers
424
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Dell OptiPlex 755 Hex Code on BIOS Launch?
We have a Dell Optiplex 755 which is freezing at POST and displaying what appears to be a hexadecimal string in the top-left corner of the screen, like so:
Any ideas on what is causing this?
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