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Sudden shut down Asus G750JX

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Yesterday I installed some windows updates, (I did not install any other software/drivers) needed to restart and about 45 minutes later it suddenly shut down itself, no blue screen, no overheating, just as if the power cord was pulled out without having a battery.
After this happened I did a system restore from before the updates, all went well, re-installed the updates and it did not shut down suddenly anymore. But what could be the cause of this?
I have been reading about this problem on the web, most say it's overheating but in my case it was not, I was just typing a message on facebook at the time it happened.

shut down problem.JPG
 
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I have been reading about this problem on the web, most say it's overheating but in my case it was not, I was just typing a message on facebook at the time it happened.
Sudden shut downs can be caused by many things (that's why it is hard to troubleshooting) and overheating is one of the most common causes, so it is often suggested.

But note while you were only entering text in Facebook is not normally a taxing task, if your CPU fan suddenly stopped, or your CPU's heatsink if caked with heat trapping dust, then simply entering text in Facebook could cause your CPU to overheat.

Do you monitor your temps? Is your case interior clean of heat trapping dust (as much as possible with a notebook)? Is your CPU fan spinning?

Other causes of sudden shutdowns can be a failing power supply, failing battery (for notebooks), RAM, CPU or motherboard failure.
 
Joined
Jan 5, 2006
Messages
18,585 (2.72/day)
System Name AlderLake
Processor Intel i7 12700K P-Cores @ 5Ghz
Motherboard Gigabyte Z690 Aorus Master
Cooling Noctua NH-U12A 2 fans + Thermal Grizzly Kryonaut Extreme + 5 case fans
Memory 32GB DDR5 Corsair Dominator Platinum RGB 6000MT/s CL36
Video Card(s) MSI RTX 2070 Super Gaming X Trio
Storage Samsung 980 Pro 1TB + 970 Evo 500GB + 850 Pro 512GB + 860 Evo 1TB x2
Display(s) 23.8" Dell S2417DG 165Hz G-Sync 1440p
Case Be quiet! Silent Base 600 - Window
Audio Device(s) Panasonic SA-PMX94 / Realtek onboard + B&O speaker system / Harman Kardon Go + Play / Logitech G533
Power Supply Seasonic Focus Plus Gold 750W
Mouse Logitech MX Anywhere 2 Laser wireless
Keyboard RAPOO E9270P Black 5GHz wireless
Software Windows 11
Benchmark Scores Cinebench R23 (Single Core) 1936 @ stock Cinebench R23 (Multi Core) 23006 @ stock
Sudden shut downs can be caused by many things (that's why it is hard to troubleshooting) and overheating is one of the most common causes, so it is often suggested.

But note while you were only entering text in Facebook is not normally a taxing task, if your CPU fan suddenly stopped, or your CPU's heatsink if caked with heat trapping dust, then simply entering text in Facebook could cause your CPU to overheat.

Do you monitor your temps? Is your case interior clean of heat trapping dust (as much as possible with a notebook)? Is your CPU fan spinning?

Other causes of sudden shutdowns can be a failing power supply, failing battery (for notebooks), RAM, CPU or motherboard failure.

I dusted out the airvents with an air compressor about a week ago, my CPU temp is 35~40 when typing this, and GPU temp around 43, both fans for CPU and GPU are spinning. I have my laptop always connected to the wall, but I leave the battery in.
The power brick is just warm, not hot in any way.

Me thinks if you have a RAM, CPU or motherboard failure causing a BSOD, wchich I did not get.
 
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On rare occasions some updates/programs will reboot/shutdown your system automatically without consent.

Maybe that's what happened here.
 
Joined
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18,585 (2.72/day)
System Name AlderLake
Processor Intel i7 12700K P-Cores @ 5Ghz
Motherboard Gigabyte Z690 Aorus Master
Cooling Noctua NH-U12A 2 fans + Thermal Grizzly Kryonaut Extreme + 5 case fans
Memory 32GB DDR5 Corsair Dominator Platinum RGB 6000MT/s CL36
Video Card(s) MSI RTX 2070 Super Gaming X Trio
Storage Samsung 980 Pro 1TB + 970 Evo 500GB + 850 Pro 512GB + 860 Evo 1TB x2
Display(s) 23.8" Dell S2417DG 165Hz G-Sync 1440p
Case Be quiet! Silent Base 600 - Window
Audio Device(s) Panasonic SA-PMX94 / Realtek onboard + B&O speaker system / Harman Kardon Go + Play / Logitech G533
Power Supply Seasonic Focus Plus Gold 750W
Mouse Logitech MX Anywhere 2 Laser wireless
Keyboard RAPOO E9270P Black 5GHz wireless
Software Windows 11
Benchmark Scores Cinebench R23 (Single Core) 1936 @ stock Cinebench R23 (Multi Core) 23006 @ stock
On rare occasions some updates/programs will reboot/shutdown your system automatically without consent.

Maybe that's what happened here.

I had to reboot after the updates, which I did, but about 45 minutes running after the reboot it just went off in a flash.
I just hope it does not happen again, but I still have warranty.
 
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Memory 32GB (4 x 8GB) DDR4 3000 Corsair Vengeance
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Storage Samsung 850 Pro 256GB SSD, Samsung 860 Evo 500GB SSD
Display(s) Samsung S24E650BW LED x 2
Case Fractal Design Define R4
Power Supply EVGA Supernova 550W G2 Gold
Mouse Logitech M190
Keyboard Microsoft Wireless Comfort 5050
Software W10 Pro 64-bit
Me thinks if you have a RAM, CPU or motherboard failure causing a BSOD
That is true - sometimes. But some shutdowns are so sudden, the OS does not have time to record the "halt" and toss up an error message.
 
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