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hi approx. 3 weeks ago I brought new parts for a new PC since then ive had it BSOD Twice and yesterday it just Froze on me nothing worked at all


The bsod errors were

System thread Exception Not Handled and irql not less or equal

System build is

gigabyte Z97-D3H board
i7-4790K
Gtx1080 (but the blue screens happened before I installed this but not the freeze)
Corsair 16GB ram (again the BSOD happened before this was installed but not the freeze) (this is 4 sticks of 4Gb
Team 8gb(this was the ram installed when the bsod's happened)
Samsung SSD
2 hdd's
 
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I'd look at cutting down the parts as much as possible and seeing what works. If it reliably freezes/BSODs under certain conditions then cut back to just the iGPU and 1 stick of RAM & the OS drive (I presume the SSD) then build up from there. If it's hard to repro then I guess you could try running memtest86 and memtest86+ against single sticks of RAM in each slot then pairs and so on. Worth mentioning that adding more RAM will work the IMC harder though it's not normally anywhere near struggling if everything is at stock

(Is everything at stock? No XMP set or anything? Shoulda started by asking this...)
 
no xmp or OC as far as I'm aware unless the motherboard as automatically set it(xmp)

and the bsod's Happened within minutes of logging onto the System

and the freeze happened when web browsing couple of tabs and youtube

and the BSOD are dated 7/6 and 19/6 and the Freeze Yesterday 26/6

more information according to bluescreenview

BSOD 1 Caused By driver fileinfo.sys+bb5f and Address fileinfo.sys+bb5f
BSOD 2 Caused By driver ntoskrnl.exe and address ntoskrnl.exe+1427a0
 
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I'd also focus on the RAM first.

Can Memtest the single sticks while you sleep, but also use a 2x4GB pair one day, in slots 1 and 3, then slots 2 and 4 the next day, and then try another pair the day after that, etc etc. Make notes of whether there were any crashes or freezes with certain pairs or slots. If there were any good combinations with no crashes or freezes, try them again for several days this time, to make sure those are fine. It'll narrow things down.

May not hurt to update BIOS too.
 
Ah I'd missed that the old RAM was no longer getting used, totally replaced by new - thought both were in together.

Could still be the IMC and/or one of the slots playing up. Unfortunately doing memtest (did you run memtest 86 or memtest86+?) with all sticks may pass when you're getting issues with a single stick / single slot which makes no sense to me but I've seen it happen so working through all the combos may help identify the problem (or not :/ and takes loads of time but is worth considering as a diagnosis step)
 
It's been a while, I seem to remember I more often surfaced errors with 86+ than with 86 so could be worth trying, they're very similar though.

I guess it's way less likely to be the cause than RAM given the symptoms but what PSU and is it now working harder? (what graphics card did you have previously). If it's having a tough time it could be supplying wrong volts somewhere and causing the issue (e.g. wrong volts to the RAM or IMC so even though symptoms sound like memory subsystem it could be PSU)
 
you've moved from AMD to nvidia GPU, have you properly uninstalled ALL the AMD drivers?
Whilst 550w is the recommended size for a 1080, you also have 2 x HDD's and a SSD. I guess its possible that you'd benefit from a higher wattage psu(?)
Maybe even clear your CMOS to ensure there are no misgivings in detecting the new ram and gpu voltages?
 
BSOD 2 Caused By driver ntoskrnl.exe and address ntoskrnl.exe+1427a0

ntoskrnl is "New Technology Operating System Kernel".

It deals with drivers, make sure ALL drivers are the latest.

my last bout of blue screens was my antivirus, that sucked.
 
you've moved from AMD to nvidia GPU, have you properly uninstalled ALL the AMD drivers?
Whilst 550w is the recommended size for a 1080, you also have 2 x HDD's and a SSD. I guess its possible that you'd benefit from a higher wattage psu(?)
Maybe even clear your CMOS to ensure there are no misgivings in detecting the new ram and gpu voltages?

the AMD was on a old build I moved From Skylake to Devils Kanyon "k" chip the Amd was never installed on the New "Devil" build


What PSU would be Recommended I like the "modular" PSU
 
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