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Windows 7: Why is my PC shutting down randomly?

1 Week Ago   #1
amoretam

Windows 7 x64bit Home Premium
 
 
Why is my PC shutting down randomly?

Hi there,
My PC is randomly rebooting, why such a discusting behavior?

I have no idea how to proceed. I have tried: memory configuration tests, chech disk and relocating memory modules.

Would you please join me in this journey?

Thanks


My System SpecsSystem Spec
.
1 Week Ago   #2
samuria

win 8 32 bit
 
 

First step is check event logs to they tell us anything
My System SpecsSystem Spec
1 Week Ago   #3
amoretam

Windows 7 x64bit Home Premium
 
 

Allrite. Event Viewer. What do we need from there exactly? Should I take take a screen shot?

Thanks
My System SpecsSystem Spec
.

1 Week Ago   #4
iko22

Windows 7 x64, Vista x64, 8.1 smartphone
 
 

In Event Viewer, you want to look at errors. Specifically you want to find errors that are causing the computer to re-start. If there are lots of errors in Event Viewer, then you may want to use Reliability Monitor to pin down the exact time and date of the shutdowns.
My System SpecsSystem Spec
1 Week Ago   #5
amoretam

Windows 7 x64bit Home Premium
 
 

Quote   Quote: Originally Posted by iko22 View Post
In Event Viewer, you want to look at errors. Specifically you want to find errors that are causing the computer to re-start. If there are lots of errors in Event Viewer, then you may want to use Reliability Monitor to pin down the exact time and date of the shutdowns.
All system errors I see are:

The previous system shutdown at 10:13:52 AM on ‎3/‎23/‎2020 was unexpected.

The RealtekWlanU service failed to start due to the following error:
The system cannot find the file specified.

The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.

The previous system shutdown at 3:55:09 AM on ‎3/‎23/‎2020 was unexpected.

The RealtekWlanU service failed to start due to the following error:
The system cannot find the file specified.

and so on.......
My System SpecsSystem Spec
1 Week Ago   #6
iko22

Windows 7 x64, Vista x64, 8.1 smartphone
 
 

What Event ID is provided? Event ID 2, Event ID 41, whatever ....?

The Event seems to be blaming RealtekWlanU as culprit. This is a wireless driver, if you are NOT using wireless to connect to internet, or using NOT bluetooth with any device, then you may wish to disable this feature in Device Manager. Otherwise, try re-installing the device driver for the Realtek WLAN device.
My System SpecsSystem Spec
1 Week Ago   #7
amoretam

Windows 7 x64bit Home Premium
 
 

Quote   Quote: Originally Posted by iko22 View Post
What Event ID is provided? Event ID 2, Event ID 41, whatever ....?

The Event seems to be blaming RealtekWlanU as culprit. This is a wireless driver, if you are NOT using wireless to connect to internet, or using NOT bluetooth with any device, then you may wish to disable this feature in Device Manager. Otherwise, try re-installing the device driver for the Realtek WLAN device.
Hi there, Thanks for fast response!
The computer used to restart itself before I installed the Realtek RTL8188CU Wireless LAN 802.11n USB 2.0 Network Adapter.

This is what the details say:

- System

- Provider

[ Name] Service Control Manager
[ Guid] {555908d1-a6d7-4695-8e1e-26931d2012f4}
[ EventSourceName] Service Control Manager

- EventID 7000

[ Qualifiers] 49152

Version 0

Level 2

Task 0

Opcode 0

Keywords 0x8080000000000000

- TimeCreated

[ SystemTime] 2020-03-24T02:46:45.632409000Z

EventRecordID 7097

Correlation

- Execution

[ ProcessID] 660
[ ThreadID] 664

Channel System

Computer AmorEtam-PC

Security


- EventData

param1 RealtekWlanU
param2 %%2
My System SpecsSystem Spec
.
1 Week Ago   #8
iko22

Windows 7 x64, Vista x64, 8.1 smartphone
 
 

Quote   Quote: Originally Posted by amoretam View Post
Hi there, Thanks for fast response!
The computer used to restart itself before I installed the Realtek RTL8188CU Wireless LAN 802.11n USB 2.0 Network Adapter.
Thanks for that! That could save a lot of time, possibly looking at the wrong error message here, although it might still be related.

What about this one:
Quote   Quote: Originally Posted by amoretam View Post

The previous system shutdown at 3:55:09 AM on ‎3/‎23/‎2020 was unexpected.
...
Can you retrieve the details and error message to this Event, please?
My System SpecsSystem Spec
1 Week Ago   #9
amoretam

Windows 7 x64bit Home Premium
 
 

Quote   Quote: Originally Posted by iko22 View Post
Thanks for that! That could save a lot of time, possibly looking at the wrong error message here, although it might still be related.

What about this one:


Can you retrieve the details and error message to this Event, please?
Hello,
Lately, once i start the computer, it inmediately shutsdown before it enters OS, and then goes to the "Windows did not Shut Cown Correctly" black window.

About the details you asked me, I could not find (strangely) exactly the one you wanted but here is the same at a different time:

The previous system shutdown at 3:55:09 AM on ‎3/‎23/‎2020 was unexpected.

- System

- Provider

[ Name] EventLog

- EventID 6008

[ Qualifiers] 32768

Level 2

Task 0

Keywords 0x80000000000000

- TimeCreated

[ SystemTime] 2020-03-23T07:58:10.000000000Z

EventRecordID 6646

Channel System

Computer AmorEtam-PC

Security


- EventData

3:55:09 AM
‎3/‎23/‎2020


15436


E4070300010017000300370009006F02E4070300010017000700370009006F02600900003C00000001000000600900000000 0000B00400000100000000000000


--------------------------------------------------------------------------------

Binary data:


In Words

0000: 000307E4 00170001 00370003 026F0009
0008: 000307E4 00170001 00370007 026F0009
0010: 00000960 0000003C 00000001 00000960
0018: 00000000 000004B0 00000001 00000000


In Bytes

0000: E4 07 03 00 01 00 17 00 .......
0008: 03 00 37 00 09 00 6F 02 ..7...o.
0010: E4 07 03 00 01 00 17 00 .......
0018: 07 00 37 00 09 00 6F 02 ..7...o.
0020: 60 09 00 00 3C 00 00 00 `...<...
0028: 01 00 00 00 60 09 00 00 ....`...
0030: 00 00 00 00 B0 04 00 00 .......
0038: 01 00 00 00 00 00 00 00 ........
My System SpecsSystem Spec
1 Week Ago   #10
iko22

Windows 7 x64, Vista x64, 8.1 smartphone
 
 

Unfortunately the message does not say what caused the Error,

Lets try a different tact, is the Motherboard BIOS Firmware up-to-date? You can check the Firmware version using System Info.
My System SpecsSystem Spec
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 Why is my PC shutting down randomly?




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