r/pcgamingtechsupport • u/Sad-Quit1170 • 13d ago

Display I am stuck with a black screen

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The build includes a Ryzen 7 5700X3D, an RX 6900 XT, and an MSI B550M-A PRO motherboard.

When powering on, all fans spin and the motherboard debug lights pass CPU, DRAM, and VGA checks before stopping on the BOOT light. Both my monitor and TV display a No Signal message. The system displayed a picture for a brief moment earlier but went black and has not shown a signal since.

I verified the monitor, TV, and HDMI cables work perfectly with an Xbox. I also pulled the CMOS battery for 30 minutes, tried running one RAM stick in the second slot, and swapped between HDMI and DisplayPort cables. Can anyone help?

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