CPU at 798mhz after spring cleaning PC

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Hi there,

Wonder if anyone can help. This may sound strange but ...

I took my PC apart today to give it a good clean out, only took out the graphics card and replaced a dodgy fan while doing it, used compressed air and a toothbrush to get everything looking nice and clean. Put it all back together, booted up no issues but windows 10 is now pitifully slow.

It's really odd, everything is taking an age to respond/load from Plex, websites, simple bits of software. Any ideas what's gone on or anything I can test for issues with? It's a decent spec PC - evo SSD, 16gb ram, i7, 980ti and a few hard drives.

EDIT: so, looks like my CPU is at 798mhz. I've reset the bios and loaded optimised defaults. The CPU is a 4770k haswell, got it in an overlocked bundle from here. Motherboard is a Gigabyte Z87X-OC-CF. Any ideas what I need to do to get things back from retro speeds?

Thanks,
Ash
 
Last edited:
so, looks like my CPU is at 798mhz. I've reset the bios and loaded optimised defaults. The CPU is a 4770k haswell, got it in an overlocked bundle from here. Motherboard is a Gigabyte Z87X-OC-CF. Any ideas what I need to do to get things back from retro speeds?
 
The 980 TI *I think only turned the fans on when needed.

If you go into into the BIOS there should be a saved profile which you can load.
 
Get GPU-Z, start the render test, and take a pic of the Bus Interface box. The GPU may have not seated as well as it should after having been cleaned and could be causing these issues.
 
A bit late, but that board like some MSI ones around the time and has a OC Trigger Switch (TGR). Basically if you accidentally toggle that switch on the board, it will limit the CPU clock speed to the lowest "safe speed" mode which was 800Mhz (it will ignore whatever you set in BIOS, hence why in the BIOS your normal settings already seem to be applied). Try flicking it back to get the CPU to hit the speeds set in BIOS again. The switch is located just north of the 24 power on that Gigabyte Z87X-OC-CF, check manual if your not sure.
 
A bit late, but that board like some MSI ones around the time and has a OC Trigger Switch (TGR). Basically if you accidentally toggle that switch on the board, it will limit the CPU clock speed to the lowest "safe speed" mode which was 800Mhz (it will ignore whatever you set in BIOS, hence why in the BIOS your normal settings already seem to be applied). Try flicking it back to get the CPU to hit the speeds set in BIOS again. The switch is located just north of the 24 power on that Gigabyte Z87X-OC-CF, check manual if your not sure.

I owe you several pints my friend, that was indeed the issue! Thank you so much :D
 
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