Question PC reboots randomly but only at night ?

Mar 27, 2021
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For the last two weeks, ever since I formatted my PC and installed Windows 10, it randomly reboots multiple times only at night, i.e, after around 8-9 PM. This is really confusing, because it doesn't happen in the daytime, so I guess it rules out the possibility of Dust, overheating of components, etc. since it should be happening in any time and not just nights.
Please help!!

(my PC is 5 years old by the way)

specs-
Operating System
Windows 10 Pro 64-bit
CPU
Intel Core i5 6400 @ 2.70GHz 41 °C
Skylake 14nm Technology
RAM
8.00GB Single-Channel Unknown @ 1066MHz (19-19-19-43)
Motherboard
Gigabyte Technology Co. Ltd. H110M-S2-CF (U3E1) 35 °C
Graphics
LG IPS FULLHD (1920x1080@60Hz)
2047MB NVIDIA GeForce GT 710 (ZOTAC International) 39 °C
Storage
111GB KINGSTON SUV300S37A120G (SATA-2 (SSD)) 33 °C
1863GB Hitachi HUA722020ALA331 (SATA ) 39 °C
Optical Drives
HL-DT-ST DVDRAM GH24NSD1
Audio
Realtek High Definition Audio

This is what I found in the Windows event manager...the exact same event was happening all the time.

Log Name: System
Source: Microsoft-Windows-Kernel-Power
Date: 9/14/2021 7:08:36 PM
Event ID: 41
Task Category: (63)
Level: Critical
Keywords: (70368744177664),(2)
User: SYSTEM
Computer: HOME-PC
Description:
The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-Kernel-Power" Guid="{331c3b3a-2005-44c2-ac5e-77220c37d6b4}" />
<EventID>41</EventID>
<Version>8</Version>
<Level>1</Level>
<Task>63</Task>
<Opcode>0</Opcode>
<Keywords>0x8000400000000002</Keywords>
<TimeCreated SystemTime="2021-09-14T13:38:36.7180127Z" />
<EventRecordID>15778</EventRecordID>
<Correlation />
<Execution ProcessID="4" ThreadID="8" />
<Channel>System</Channel>
<Computer>HOME-PC</Computer>
<Security UserID="S-1-5-18" />
</System>
<EventData>
<Data Name="BugcheckCode">0</Data>
<Data Name="BugcheckParameter1">0x0</Data>
<Data Name="BugcheckParameter2">0x0</Data>
<Data Name="BugcheckParameter3">0x0</Data>
<Data Name="BugcheckParameter4">0x0</Data>
<Data Name="SleepInProgress">0</Data>
<Data Name="PowerButtonTimestamp">0</Data>
<Data Name="BootAppStatus">0</Data>
<Data Name="Checkpoint">0</Data>
<Data Name="ConnectedStandbyInProgress">false</Data>
<Data Name="SystemSleepTransitionsToOn">0</Data>
<Data Name="CsEntryScenarioInstanceId">0</Data>
<Data Name="BugcheckInfoFromEFI">false</Data>
<Data Name="CheckpointStatus">0</Data>
<Data Name="CsEntryScenarioInstanceIdV2">0</Data>
<Data Name="LongPowerButtonPressDetected">false</Data>
</EventData>
</Event>
 
Last edited:
Since you just installed windows it may be updating windows and restarting itself after installing if you set it up that way. Check settings, update and security,windows update, you can check to see what times it is set to check for updates, and in advanced options to see if it set to install/restart automatically.
 
Reactions: Ralston18

Ralston18

Titan
Moderator
In agreement with @Fix_that_Glitch

I will add a question: Is that 111GB KINGSTON the boot drive? How full?

My thought is that is that the drive is too small and/or too full.

Therefore Windows may also be having difficulties "fitting in" updates and otherwise managing the system.

No matter what time of day or night.....
 
Mar 27, 2021
10
0
10
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Since you just installed windows it may be updating windows and restarting itself after installing if you set it up that way. Check settings, update and security,windows update, you can check to see what times it is set to check for updates, and in advanced options to see if it set to install/restart automatically.
Oh no! It is not exactly a restart, like in windows updates. I will be using my PC and it just blacks out all of a sudden. And then I see the "GIGABYTE - Insist on ultra durable" booting screen.
 
Mar 27, 2021
10
0
10
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In agreement with @Fix_that_Glitch

I will add a question: Is that 111GB KINGSTON the boot drive? How full?

My thought is that is that the drive is too small and/or too full.

Therefore Windows may also be having difficulties "fitting in" updates and otherwise managing the system.

No matter what time of day or night.....
Oh well, it has got around 60 GB free space remaining. And it isn't exactly a restart, more like a sudden black-out when I am using the computer, and booting again.
 
Mar 27, 2021
10
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Go in to event viewer, click on event viewer local, and look for any critical events that coincide with the blackout and reboot.
Log Name: System
Source: Microsoft-Windows-Kernel-Power
Date: 9/14/2021 7:08:36 PM
Event ID: 41
Task Category: (63)
Level: Critical
Keywords: (70368744177664),(2)
User: SYSTEM
Computer: HOME-PC
Description:
The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-Kernel-Power" Guid="{331c3b3a-2005-44c2-ac5e-77220c37d6b4}" />
<EventID>41</EventID>
<Version>8</Version>
<Level>1</Level>
<Task>63</Task>
<Opcode>0</Opcode>
<Keywords>0x8000400000000002</Keywords>
<TimeCreated SystemTime="2021-09-14T13:38:36.7180127Z" />
<EventRecordID>15778</EventRecordID>
<Correlation />
<Execution ProcessID="4" ThreadID="8" />
<Channel>System</Channel>
<Computer>HOME-PC</Computer>
<Security UserID="S-1-5-18" />
</System>
<EventData>
<Data Name="BugcheckCode">0</Data>
<Data Name="BugcheckParameter1">0x0</Data>
<Data Name="BugcheckParameter2">0x0</Data>
<Data Name="BugcheckParameter3">0x0</Data>
<Data Name="BugcheckParameter4">0x0</Data>
<Data Name="SleepInProgress">0</Data>
<Data Name="PowerButtonTimestamp">0</Data>
<Data Name="BootAppStatus">0</Data>
<Data Name="Checkpoint">0</Data>
<Data Name="ConnectedStandbyInProgress">false</Data>
<Data Name="SystemSleepTransitionsToOn">0</Data>
<Data Name="CsEntryScenarioInstanceId">0</Data>
<Data Name="BugcheckInfoFromEFI">false</Data>
<Data Name="CheckpointStatus">0</Data>
<Data Name="CsEntryScenarioInstanceIdV2">0</Data>
<Data Name="LongPowerButtonPressDetected">false</Data>
</EventData>
</Event>

This was what I found in those events....any idea what went wrong?
 

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