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IGME GAMER
1 Rookie
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9 Posts
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January 2nd, 2021 08:00
Optiplex 780 not booting up until pressing back psu test button
Hello,
- My dell Optiplex is not booting unless i press back psu button, without pressing PSU back button it's just blinks diagnostic light 3 . Sometimes it also show solid amber light when turning it on by pressing back PSU button.
Waiting for response ASAP.
Note:I know it is 12 years old PC so please only reply if you have solution.
