Pc won't boot, keeps rebooting.

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Mark8147

Commendable
Sep 27, 2016
15
0
1,510
I have had my build for over a year now with no problems. Last month I upgraded the ram and again had no problems. 2 days ago I was gaming, nothing high performance, just world of warcraft when my pc rebooted, I checked the log on restart and it said bccode 24. 5 minutes later it rebooted again. Since then it has got worse and worse and I'm now stuck in a boot loop.

I cannot boot to windows, even in safe mode, as soon as I get to the splash screen it reboots. I cannot boot to dvd to try and reinstall windows as it reboots.

I thought it might be the new memory so i tried some different (compatible) memory and still won't boot.

I tried booting with my gpu removed from the on board graphics, again reboots as soon as I hit the windows splash screen. So apart from a motherboard or processor problem I'm out of ideas, and I'm unable to test either as I don't have alternatives.

Unfortunately I can't provide any error logs or minidump files as I can't get into windows at all.

Any advice will be massively appreciated.

Asus Z170-A motherboard

Intel Core I7-6700K Processor (4 GHz, 8 M Cache, LGA1151)

MSI NVIDIA GeForce GTX 1080 GAMING X 8GB GDDR5X Graphics Card - Black

Corsair CP-9020078-UK Builder Series 750W CS750M ATX/EPS Semi-Modular 80 Plus Gold Power Supply Unit

And tried both of these...

Corsair CMK16GX4M2B3000C15 Vengeance LPX 16GB (2x8GB) DDR4 3000MHz C15 XMP 2.0 High Performance Desktop Memory Kit - Black

G.SKILL F4-3000C15D-16GTZR Trident Z RGB Series 16 GB (8 GB x 2) DDR4 3000 MHz PC4-24000 CL15 Dual Channel Memory Kit
 
Solution
helpstar
Then the chance is given that it might be possible the new CPU will die after a period of time too. Could be fine till the motherboard dies of course.

Dying CPUs are very rare, so I would check your CPU on another board as well to be sure it´s not the board.
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M

Mark8147

Commendable
Sep 27, 2016
15
0
1,510
I have run a minimum set up as you described and it reset at the windows splash screen before I get to put in my password.

I can access the bios and I currently run 3 hdd, 1 120gb sandisk ssd with just Windows on, 1 240gb SanDisk ssd with games and programs, and 1 hdd for storage.

Surely though if I can't boot to the windows installation dvd it can't be a problem with the hdd?
 
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M

Mark8147

Commendable
Sep 27, 2016
15
0
1,510
Took it to a repair shop where they tested all the components. Apparently it would boot on one core but if they tried it on more than one it would reboot. He said its only the second failed Intel processor he's ever seen that wasn't overclocked.
 
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M

Mark8147

Commendable
Sep 27, 2016
15
0
1,510
They ran memtest running using only one cpu core and completed without fail. They repeated the test with all cores and it stopped a few seconds in.

My replacement arrived today, fitted it and everything is working fine. Now to try and get an rma on the old processor.
 
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helpstar

helpstar

Titan
Dec 25, 2012
13,266
777
83,840
Then the chance is given that it might be possible the new CPU will die after a period of time too. Could be fine till the motherboard dies of course.

Dying CPUs are very rare, so I would check your CPU on another board as well to be sure it´s not the board.
 
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