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May 10th, 2024 20:28

2 yellow flashes then 1

Backstory, yesterday I was playing around with USBs and left my us in the computer when I turned it off, today I turned my pc on and I got no screen, and a sequence or 2 yellow flashes and a short pause, then another flash. I did some research and I got varying answers, I think it’s a system board failure. I’ve been trying to fix it, by trying to open BOIS with f2 but because the display isn't working I can’t tell. I've unplugged everything but power and monitor, I have taken out and placed my ram back in and I don’t know what to do. I don’t think having the usb in would change it but it may, which is why I added that part in. Also I bought my pc about a year and a half ago. I have he’s no trouble like this since

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May 10th, 2024 22:31

Unplug the system, remove the base cover and disconnect the battery from the system board.  Hold the power button for 30 sec.  Reassemble and test to see if it'll POST>

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May 11th, 2024 01:13

@ejn63​ we will see if that works, I am away so I will test that when I come back. It sounds like it would work

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May 14th, 2024 12:25

@ejn63​ I unplugged the power, and took out the BIOS battery and held the power button, but it still give me the same lights

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230 Posts

May 15th, 2024 03:04

If you have a stand alone video card remove it and re-seat it firmly. If same issue replace the CMOS Battery.

What type of Dell is it? R10? I see Google threads with the same issue and R10's. -- 2 yellow flashes then 1

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