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My beloved i7 4790k/Maximus Hero VII setup crashed on Windows and now won't even POST screen!

Arct1c0n
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I'm just fucking fuming mad and confused right now! My over 3.5 year old overclocked i7 4790k setup just took a total shit a few hours ago after just using it for internet usage for Amazon return.  It's the following:

 

I7 4790k at 4.7 ghz via aircool  on 1.26v if I recall
Asus ROG Maximus Hero VII
G.Skill Trident X 16gigs DDR3
SAMSUNG Evo 850 1TB
NO Gpu, as I sold my 1080ti 
Seasonic Snow Silent 1050watt

 

Setup had hardly given me any troubles over the years. But now my machine just randomly "shut off" in middle of Amazon support chat. Wtf? That's new.....  Power it up again, goes to windows and I verify my APC 1500watt UPS is fine and it is. 

A few minutes later it black screens again. Power it up and it POST screens but then crashes again. I remove full power and try again with cold boot. Now I have no POST whatsoever on my on board HDMI!  Fuck!!

I plug PSU into wall instead and try again. Now my mobo just constantly Power cycles every 3 seconds. The fans and lights come on but no POST screen at all. Yank power and it the motherboard LED diagnostics keep changing every single time then it crashes and powers off. Then powers on and repeats the power cycle loop with the PSU relay switch tripping every time as I can hear.

 

I've done the following aleady:

1. Plugged in known working PSU. No change at all. 

2. Removed mobo/ram/cpu assembly out of case and onto cardboard box with nothing else attached. No change, still no POST screen, still power cycle loop with different PSU. Onboard LEDs constantly change numbers, no pattern. 

3. Reseat RAM. No change 

4. Move RAM into HTPC setup. Htpc boots normally with gaming RAM. 

5. Move HTPC RAM into gaming rig. No change. 

6. Pulled CMOS battery and also used Reset button on Mobo. No change. 

 

Fuck!!!! What the hell is going on here?? 
 

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2 minutes ago, Arct1c0n said:

I'm just fucking fuming mad and confused right now! My over 3.5 year old overclocked i7 4790k setup just took a total shit a few hours ago after just using it for internet usage for Amazon return.  It's the following:

 

I7 4790k at 4.7 ghz via aircool  on 1.26v if I recall
Asus ROG Maximus Hero VII
G.Skill Trident X 16gigs DDR3
SAMSUNG Evo 850 1TB
NO Gpu, as I sold my 1080ti 
Seasonic Snow Silent 1050watt

 

Setup had hardly given me any troubles over the years. But now my machine just randomly "shut off" in middle of Amazon support chat. Wtf? That's new.....  Power it up again, goes to windows and I verify my APC 1500watt UPS is fine and it is. 

A few minutes later it black screens again. Power it up and it POST screens but then crashes again. I remove full power and try again with cold boot. Now I have no POST whatsoever on my on board HDMI!  Fuck!!

I plug PSU into wall instead and try again. Now my mobo just constantly Power cycles every 3 seconds. The fans and lights come on but no POST screen at all. Yank power and it the motherboard LED diagnostics keep changing every single time then it crashes and powers off. Then powers on and repeats the power cycle loop with the PSU relay switch tripping every time as I can hear.

 

I've done the following aleady:

1. Plugged in known working PSU. No change at all. 

2. Removed mobo/ram/cpu assembly out of case and onto cardboard box with nothing else attached. No change, still no POST screen, still power cycle loop with different PSU. Onboard LEDs constantly change numbers, no pattern. 

3. Reseat RAM. No change 

4. Move RAM into HTPC setup. Htpc boots normally with gaming RAM. 

5. Move HTPC RAM into gaming rig. No change. 

6. Pulled CMOS battery and also used Reset button on Mobo. No change. 

 

Fuck!!!! What the hell is going on here?? 
 

you have a speaker in the motherboard? 

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I hate to say it but your motherboard might be dead/dying, it happens, unfortunately. Hopefully, others can provide more insight, I don't know what I would try past what you have already done.

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2 minutes ago, Froggo56 said:

you have a speaker in the motherboard? 

No, this Asus model does not have one nor do have one to even plug in if I wanted to. The diagnostic LEDs also keep fluctuating on ever reboot and hard power cycle so they are of no help either.... 

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it might sound weird but take the ram back out, get a clean eraser and clean the ram contacts with it then only put 1 back in. JM21 might be right but its worth doing all you can before buying a new one

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1 minute ago, Froggo56 said:

it might sound weird but take the ram back out, get a clean eraser and clean the ram contacts with it then only put 1 back in. JM21 might be right but its worth doing all you can before buying a new one

 

The Ram works fine another DDR3 setup as I already mentioned and tested. Putting in different DDR3 RAM also had no effect 

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2 minutes ago, Arct1c0n said:

 

The Ram works fine another DDR3 setup as I already mentioned and tested. Putting in different DDR3 RAM also had no effect 

by chance do you have a spare CPU to test? 3.5 years on a overclock can hurt the cpu a bit

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2 minutes ago, Froggo56 said:

by chance do you have a spare CPU to test? 3.5 years on a overclock can hurt the cpu a bit

I agree with this, if you can just get a hold of a used Haswell that works, try seeing if it posts with that.

8086k

aorus pro z390

noctua nh-d15s chromax w black cover

evga 3070 ultra

samsung 128gb, adata swordfish 1tb, wd blue 1tb

seasonic 620w dogballs psu

 

 

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if not then take the CMOS battery out for the night, er like 10 hours just to be super sure 

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While not ideal,.... thankfully, plenty of cheap lowend Haswell's can be found for peanuts.

 

This sucks,.. we all value the peanuts we have. And what a sudden problem for a motherboard if it was indeed dying...

Hence I also think it's CPU driven... not Motherboard driven, from what you've already shared. (Cmos/Board Resetting, Stock still happens)
Originally I thought of voltage degradation and figured just add a schooch more. But with your testing that obviously isn't going to work either.

Maximums - Asus Z97-K /w i5 4690 Bclk @106.9Mhz * x39 = 4.17Ghz, 8GB of 2600Mhz DDR3,.. Gigabyte GTX970 G1-Gaming @ 1550Mhz

 

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23 minutes ago, mxk. said:

I agree with this, if you can just get a hold of a used Haswell that works, try seeing if it posts with that.

 

I don't feel like tearing apart my HTPC just to verify this, nor wasting money buying a used one 

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22 minutes ago, Froggo56 said:

if not then take the CMOS battery out for the night, er like 10 hours just to be super sure 

Pretty damn sure a CMOS clear of several hours won't do anything a 2 minute removal can't do 

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1 minute ago, Arct1c0n said:

 

I don't feel like tearing apart my HTPC just to verify this, nor wasting money buying a used one 

I mean its a pretty foolproof plan. Use it as last resort and get a used i3.

8086k

aorus pro z390

noctua nh-d15s chromax w black cover

evga 3070 ultra

samsung 128gb, adata swordfish 1tb, wd blue 1tb

seasonic 620w dogballs psu

 

 

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1 hour ago, Arct1c0n said:

Pretty damn sure a CMOS clear of several hours won't do anything a 2 minute removal can't do 

it can surprisingly! Think about it like unplugging a PSU, they still have power inside them. the longer the better

 

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Just moved the 4790k into HTPC setup on H97 mobo and it fires up no problem and runs PRIME95 and fuck tons of other apps via multitasking and no problems. So that that pretty much means mobo is fucking toast, due or not due to overclocking these past 3.5 years.

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47 minutes ago, Arct1c0n said:

Just moved the 4790k into HTPC setup on H97 mobo and it fires up no problem and runs PRIME95 and fuck tons of other apps via multitasking and no problems. So that that pretty much means mobo is fucking toast, due or not due to overclocking these past 3.5 years.

To be fair... you can now research/buy a board with MCE (if the old one did or didn't?) for AllcoreTurbo without going full manual OC and many used boards can be found with the best option/feature sets and hopefully get one at a decent price compared to their launch prices.

 

Maximums - Asus Z97-K /w i5 4690 Bclk @106.9Mhz * x39 = 4.17Ghz, 8GB of 2600Mhz DDR3,.. Gigabyte GTX970 G1-Gaming @ 1550Mhz

 

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