IIAMA refresh 144HZ -soon after power outage booted with low

November 26, 2017 at 10:29:40
Specs: Windows 10
Hello.

My pc:

*Asus Z170-P with 6700K cpu

*Corsair 750 RM

*Gtx 1080 Ti Founder Edition

*Monitor Red Eagle IIyama 24' 1080p 144hz plugged by display port cable to GFX.

Few days ago I get power outage.

Pc was running in fire strike benchmark with monitor ON.
At the same time my mother was powering on electric oven in kitchen.
And then power went out in house.

Just before power went out, pc was running in Fire Strike test, and monitor was on.
When power went out,pc goes off and monitor goes off.

When power back ,monitor turns on itself . Then I booted pc , all was looking fine, Windows 10 booted with 144hz

But after moment I shutdown pc by clicking shutdown in Windows 10 and I manually turned off monitor.
After 30 minutes ,first I turn on manually monitor,then I boot pc again. Windows 10 booted with lower refresh than 144hz.( on nvidia panel still 144hz )
To restore 144hz I just turned off monitor and turn on again. And this not happened since.

And my question. It was related to this power outage or just coincidence?

And I am not able to reproduce. Turning off pc few times and booting again,and nothing,still 144hz. Even I cut power 3 times to check,but still 144hz on boot.

So maybe that was glitch.windows,system,drivers or something but not related to that power outage?


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#1
November 26, 2017 at 20:39:30
Power outages are often not as clean as just turning off a switch, they may include some power fluctuations and even a power spike. A good surge protector will protect against a power spike but cannot do anything for sudden power drop offs or partial come backs (short duration and not noticed). These fluctuations can effect computer settings as well as hardware components. This is why I have used a UPS (often called a battery back up) with all of my desktop computers for many years now. They maintain clean power to the computer during a power outage or brown out and allow you time to finish open work and properly shut down the computer if the duration of the problem lasts for a while. I recommend getting one.

You have to be a little bit crazy to keep you from going insane.


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#2
November 27, 2017 at 01:22:42
Hey. Really appreciate it for answer. But i must ask.

It happened once. After this i booted and restarted pc many times, and refresh was still 144hz at startup.

So first boot after unexpected shutdown ( due to power outage ) was fine. But second boot was with that lower refresh. So that related to this 1 unclean shutdown or something with outage ? : )


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#3
November 27, 2017 at 05:49:07
try this

right click on desktop --> screensettings --> adapteroptions --> monitor --> set refreshrate to 144 Hertz --> apply.

had this for my 75 Hz monitor too, was stuck at 60 Hz for some games

i5-6600K@4.776GHz/4.577GHz cache@1.37v | 2x4GB Crucial-DDR4-2133@ 14-14-14-28 1T 2786MHz@1.34v | ASUS Z170-K | Samsung 250GB SSD 850 EVO | MSI Radeon RX 570 ARMOR 4GB@1295cc@1.058v&1900mem


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#4
November 29, 2017 at 05:03:26
So it was related to system,outage,drivers,voltage,monitor firmware?

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#5
November 29, 2017 at 05:32:39
Don't really know what to call it but i guess monitor settings sounds right to me

"So it was related", did it fix your problem?

i5-6600K@4.723GHz/4.623GHz cache@1.36v | 2x4GB Crucial-DDR4-2133@ 14-13-13-28 1T 2814MHz@1.345v | ASUS Z170-K | Samsung 250GB SSD 850 EVO | MSI RX 570 ARMOR 4GB@1295cc@1.058v&2050mem | Corsair VS450


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#6
December 1, 2017 at 09:28:56
Somebody said that this was caused by voltage spike. Weird. But like i said i tried to reproduce this issue by cutting power few times and its not reproducable.

So it was maybe system/driver/monitor firmware related or maybe that spike?


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