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February 28th, 2023 15:00
Service code unknown, 1-2-4 with amber button
Hello again, Same computer with a new motherboard and beefier PSU. After installing everything I have good news and bad news.
Good news, the motherboard works!
Bad news, I have a confusing error code.
The PC turns on and remains on and I get a code light of 1-2-4.
I've swapped CMOS batteries, tried a different hard drive and don't have a physical gpu installed. I've seen the post with the exact same issue, model and the suggested things don't work.
please help, this computer has driven me insane
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JOcean
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February 28th, 2023 17:00
That code indicates no CPU. Are you sure a CPU is installed on the new MB and that the CPU socket is not damaged. Otherwise it could mean a defective CPU.