[SOLVED] Computer will not POST

QsEfThUkO;08

Prominent
Jan 9, 2021
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Yesterday I got a 5770 for my Mac Pro. I flashed it using my main build and put it in my the Mac Pro I purchased it for, and it worked. Today I reassembled my main build with its usual parts. I turned it on, and nothing happened. No POST, no beeps, blank screen. The fans are on, but nothing ese happens. I have tried removing the RAM, a new PSU, removing the CMOS, and unplugging all unneccessary components. It worked just fine before flashing. Please help me.
Specs:
Ryzen 5 2600
4x8gb Crucial Ballistix DDR4 3000
ASUS DUAL-RX480-O4G
EVGA 500w
XPG Spectrix S40G
 

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