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Since a few months ago (not sure if it was after the last Microsoft update), my Windows 10 laptop is restarting on its own without any warning, it was doing it once or twice a month only, but this last month, it's restarting every day.

I tried to manually update the drivers, but the problem is still here.

I searched all over the internet and it seems like many people are facing this problem, but I couldn't find a solution.

Laptop model and specs: Dell Inspiron 15R (N5110), i5-2450M, 8GB RAM DDR3, Nvidia 525M

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  • What is the model of your laptop? What is the version of your Windows? What drivers have you tried to update? Do you get any error message?
    – Alex Ljamin
    Commented Oct 22, 2016 at 10:35
  • Dell Inspiron N5110, i5, 8Go RAM DDR3, Nvidia 525M, Windows 10 (mentioned in the title)
    – Imad
    Commented Oct 22, 2016 at 10:49
  • What edition* of Windows 10 do you have? Repeating - What drivers have you tried to update? Error messages?
    – Alex Ljamin
    Commented Oct 22, 2016 at 10:53
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    I used the device manager to see if Windows update has missed something, and I found some updates that did manually and weren't detected by Windows update, the major one is the Nvidia GC update. But this didn't help as it still restarting now
    – Imad
    Commented Oct 22, 2016 at 10:54
  • I have a Windows 10 Pro
    – Imad
    Commented Oct 22, 2016 at 10:54

3 Answers 3

Reset to default
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An automatic Restart when the system crashes is unforunately the default. You can disable it by unchecking the box Automatically restart in the Advanced tab of System Properties, under Startup and Recovery.

Also make sure that Write debugging information is enabled with a setting of Automatic memory dump or something like that, and that Write an event to system log is checked.

enter image description here

Next you review the Windows system Event Logs via the Event Viewer app. Look for Error and Critical entries for clues.

Next thing to do is install a Memory Dump analyzer like WhoCrashed. It can tell you which device driver crashed the computer if that is the case. For example, in my case it showed the Video Driver as the culprit, and even gave a plain English recommendation: A third party driver was identified as the probable root cause of this system error. It is suggested you look for an update for the following driver: nvlddmkm.sys (NVIDIA Windows Kernel Mode Driver, Version 375.95 , NVIDIA Corporation):

On Sun 11/20/2016 9:32:54 AM your computer crashed
crash dump file: C:\WINDOWS\Minidump\112016-6000-02.dmp
This was probably caused by the following module: nvlddmkm.sys (nvlddmkm+0x3E15B0) 
Bugcheck code: 0x1000007E (0xFFFFFFFFC0000005, 0xFFFFF8088BBA15B0, 0xFFFF9980C97297F8, 0xFFFF9980C9729020)
Error: SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M
file path: C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_410e5247be0e5f00\nvlddmkm.sys
product: NVIDIA Windows Kernel Mode Driver, Version 375.95 
company: NVIDIA Corporation
description: NVIDIA Windows Kernel Mode Driver, Version 375.95 
Bug check description: This indicates that a system thread generated an exception which the error handler did not catch.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem. 
A third party driver was identified as the probable root cause of this system error. It is suggested you look for an update for the following driver: nvlddmkm.sys (NVIDIA Windows Kernel Mode Driver, Version 375.95 , NVIDIA Corporation). 
Google query: NVIDIA Corporation SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M

Which suggests that I will downgrade the driver that was recently installed.

In my case, Windows 10 kept on updating the driver to the faulty one on its own, until I disabled that "feature" in Device installation settings:

enter image description here

Another thing to do is to uninstall recent Windows Updates which could be faulty. For example, if you installed Security Update for Microsoft Windows KB3200970 then try to remove it.

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  • Is there any risk in this method ? Anyway, It has been a few weeks now since my PC restarted the last time so I think the problem is solved, otherwise I will have to try your solution.
    – Imad
    Commented Nov 25, 2016 at 17:32
  • No risk. All you're doing is disable automatic restart on crash so that you can see the crash details, and disable automatic driver updates which can install a faulty driver, as happened in my case with the NVidia driver. You can always download the driver manually if and when you choose to. Please upvote/accept the answer if you find it useful.
    – isapir
    Commented Nov 25, 2016 at 19:10
  • thanks for the explanation. As I said, the PC is running well now with no restarts, so I will keep it like this for now
    – Imad
    Commented Nov 26, 2016 at 9:49
  • Most likely your PC stopped restarting because the vendor of the faulty driver has issued an update that fixed the problem, and since your machine downloads updates automatically it was "fixed", but that doesn't mean it can not happen again with the next driver update.
    – isapir
    Commented Nov 27, 2016 at 18:58
  • Let's hope it won't happen again :)
    – Imad
    Commented Nov 28, 2016 at 9:32
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After months of searching, I found a reply somewhere that suggested to just ... disable fast boot on Windows 10 and it's working fine for me. Even formatting the PC didn't help.

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All I did to fix mine from random error restarts was to turn my system restore protection on. System properties ---> system protection ---> click on drive to highlight ---> configure ----> click on turn on system protection. That's it.

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