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Orange light flashing
My dell optiplex 9020 started flashing the orange light twice.
The pc starts ok but after a few minutes you hear a click noise and then goes off. It tries to turn on a few times but fails and then starts flashing the orange light twice.
I changed the cmos battery. I managed to do a diagnostic test f5 and found nothing wrong. I also clean and replaced the thermal paste of the processor but still the same.I checked the ram, replaced them or moved them.
If you leave for a few hours and start it it will boot and no problem but after a few minutes or may be half an hour it will do it again.
The pc starts ok but after a few minutes you hear a click noise and then goes off. It tries to turn on a few times but fails and then starts flashing the orange light twice.
I changed the cmos battery. I managed to do a diagnostic test f5 and found nothing wrong. I also clean and replaced the thermal paste of the processor but still the same.I checked the ram, replaced them or moved them.
If you leave for a few hours and start it it will boot and no problem but after a few minutes or may be half an hour it will do it again.
redxps630
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May 15th, 2024 22:08
(edited)
bradthetechnut
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May 16th, 2024 00:18
Redxps is spot on that it's probably the PSU and you changed the battery already.
Redxps also mentioned and here's the instructions: How to Perform a BIOS or CMOS Reset and Clear the NVRAM on Dell Computers
JohnSav
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May 16th, 2024 17:21
I tried the psu self test and the led comes on as well as all three fans. So it looks like the psu is fine.
I also tried the cmos reset by changing the links on the mb. I followed the instructions on the link you sent me. That didn't solve the problem. I noticed that when I repeat this process I can remove the flashing orange light and restart the computer straight away but it goes off again. The orange light flashes a few times and then back to flashing twice repeatedly.
I will try next to reset the bios from f2 by following the instructions. This will be possible if it allows me enough time to change the bios settings. So
bradthetechnut
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May 16th, 2024 21:22
From the Reference Guide to the Dell OptiPlex Diagnostic Indicators
Also, a steady amber blink can indicate a bad PSU. Solid amber would mean bad motherboard or component.
JohnSav
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June 12th, 2024 18:09
I have replaced the psu and the problem is gone.
Thanks to everyone