Question No Signal - Entering power saving mode?!

KHADER87

Reputable
Feb 25, 2015
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4,680
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Hi,

specs
i7 9700k
asus z390
asus strix 5700xt
LG 34uc79 Ultrawide over display port.
8x2 DDR4
PSU: SEASONIC FOUCS GOLD 650W

I get frequent display shut off with "no signal - Entering power saving mode", the PC seems to be still running with GPU fans spinning...etxc, but the screen is off.

I tried:
High performance mode
multiple outputs from the video card
default settings in bios
no OC
ram test by windows
multiple games
multiple radeon drivers
updated the card bios!

all temps are normal.

what could be the cause?
 

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