F5F Stay Refreshed Power Users Overclocking i9-9900K computer is crashing on blue screens when playing some games

i9-9900K computer is crashing on blue screens when playing some games

i9-9900K computer is crashing on blue screens when playing some games

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iTzPandaNuss
Member
144
05-31-2026, 06:56 PM
#1
I am using my i9-9900K OC on my Gigabyte z390 Aorus Pro board. The clock speed is set to 50, turbo is also at 50, and vCore is fixed at 1.300v. I feel this setup should be pretty safe, especially since I have a Thermaltake Floe AIO triple ring fan cooling it with no problems so far. However, some games suddenly turn blue after about 15 to 20 minutes of playing. Have other people had that same problem? Changing the overclock fixes the issue, but I wonder if tweaking the vCore voltage helps too? Do I need to adjust the voltage settings? Edit: My power supply is an EVGA SuperNOVA 750 G2. Thanks for any advice!
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iTzPandaNuss
05-31-2026, 06:56 PM #1

I am using my i9-9900K OC on my Gigabyte z390 Aorus Pro board. The clock speed is set to 50, turbo is also at 50, and vCore is fixed at 1.300v. I feel this setup should be pretty safe, especially since I have a Thermaltake Floe AIO triple ring fan cooling it with no problems so far. However, some games suddenly turn blue after about 15 to 20 minutes of playing. Have other people had that same problem? Changing the overclock fixes the issue, but I wonder if tweaking the vCore voltage helps too? Do I need to adjust the voltage settings? Edit: My power supply is an EVGA SuperNOVA 750 G2. Thanks for any advice!

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xX_Squig_Xx
Member
55
06-02-2026, 10:39 AM
#2
Does turning the max turbo down to just 4900 MHz make things run stable? (Remember, only about 80% of your 9900K's might handle all-core 5 GHz stably and you might need a Vcore boost to get there. Just add small voltage increases like .01V or .02V at a time and test again). Not sure which games use AVX or AVX2 right now, but many use negative clockspeed offsets to run slower under heavy loads. That won't hurt them...
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xX_Squig_Xx
06-02-2026, 10:39 AM #2

Does turning the max turbo down to just 4900 MHz make things run stable? (Remember, only about 80% of your 9900K's might handle all-core 5 GHz stably and you might need a Vcore boost to get there. Just add small voltage increases like .01V or .02V at a time and test again). Not sure which games use AVX or AVX2 right now, but many use negative clockspeed offsets to run slower under heavy loads. That won't hurt them...

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168
06-04-2026, 09:36 PM
#3
what kind of power supply do you need?
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xXAguaMarineXx
06-04-2026, 09:36 PM #3

what kind of power supply do you need?

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FactionsPro_YT
Junior Member
19
06-09-2026, 11:02 AM
#4
EVGA SuperNOVA 750 G2
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FactionsPro_YT
06-09-2026, 11:02 AM #4

EVGA SuperNOVA 750 G2

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jrp09
Member
183
06-09-2026, 05:54 PM
#5
Is it safe to set all-core max turbo just to 4900 MHz? (You might only get stability for about 80% of your 9900K builds if you push them all to 5 GHz, and many will need a small Vcore boost. Just add tiny amounts like 0.1V or 0.2V at a time, then test again.) Not sure what games today use AVX or AVX2 instructions, but most do use negative clockspeed offsets on those workloads to drop the speed slightly. That's fine.
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jrp09
06-09-2026, 05:54 PM #5

Is it safe to set all-core max turbo just to 4900 MHz? (You might only get stability for about 80% of your 9900K builds if you push them all to 5 GHz, and many will need a small Vcore boost. Just add tiny amounts like 0.1V or 0.2V at a time, then test again.) Not sure what games today use AVX or AVX2 instructions, but most do use negative clockspeed offsets on those workloads to drop the speed slightly. That's fine.

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Charliemc909
Posting Freak
898
06-09-2026, 06:31 PM
#6
Thanks for the help! I turned the voltage down to 1.310v and things are stable now. I've been playing Outer Wilds for over thirty minutes without a blue screen, so that might just be what I needed. Thanks again, will update you if I had to take more steps.
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Charliemc909
06-09-2026, 06:31 PM #6

Thanks for the help! I turned the voltage down to 1.310v and things are stable now. I've been playing Outer Wilds for over thirty minutes without a blue screen, so that might just be what I needed. Thanks again, will update you if I had to take more steps.

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Firefl_y
Member
64
06-22-2026, 02:05 PM
#7
can i run a real bench stress test on my asus real or prime 95 26.6 model with non avx? is it error free for sure? could the problem be that my ram needs more voltage, maybe vccio or vcssa, or just different volts? can you tell me if this fits the hci mem test?
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Firefl_y
06-22-2026, 02:05 PM #7

can i run a real bench stress test on my asus real or prime 95 26.6 model with non avx? is it error free for sure? could the problem be that my ram needs more voltage, maybe vccio or vcssa, or just different volts? can you tell me if this fits the hci mem test?

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lola102004
Junior Member
23
06-22-2026, 03:06 PM
#8
Thanks a bunch! I got everything running smooth and fixed the problem just by turning the CPU voltage up a tiny bit.
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lola102004
06-22-2026, 03:06 PM #8

Thanks a bunch! I got everything running smooth and fixed the problem just by turning the CPU voltage up a tiny bit.