The Computer Restarts Unexpectedly - (Windows 7, 8,10)

IF Windows suddenly restarts without warning, or restarts when you try to shut it down, it might be caused by one of several issues. Windows could be set to restart automatically when certain system errors occur..

* BIOS update also can resolved the issue. ( Flash Update )

Use the information in this document to resolve issues with the computer restarting unexpectedly.


Windows restarts for no apparent reason

Follow the steps in this section, in order, until the problem is resolved.

Step 1: Disabling the automatic restart option to view error messages
Many hardware drivers or operating system errors will cause the computer to display a specific error message before stopping the operation or shutting down the computer. However, if the Automatically restart option is enabled, an error message might not be displayed despite an error taking place. Disable this option to allow the computer to display the error message.
Follow these steps to disable the Automatically restart option:

In Windows, search for and open View advanced system settings.
Click Settings in the Start-up and Recovery section.
Figure: System Properties window

 

 

 













 

Remove the check mark next to Automatically restart under System Failure, then click OK.

Figure: Automatically restart check box

 

 

 

 4.Restart the computer.

NOTE:

The computer no longer restarts automatically when a problem occurs. Instead, a blue screen appears with more useful information. You can now search for a resolution using the information in the error.


Step 2: Checking for failed hardware


Hardware problems can cause the computer to restart unexpectedly. For more information about checking for hardware problems, see Testing for Hardware Failures (Windows 7, 8,10) for desktop computers, or Testing for Hardware Failures (Windows 7, 8,10) for notebook computers.


NOTE:

Failed hardware is usually caused by increased heat inside the computer. Over time, cooling areas can become clogged with dust build-up causing temperatures inside the case to rise. For more information, see Reducing Heat Inside the PC to Prevent Overheating for notebook computers, or Reducing Heat Inside the PC to Prevent Overheating for desktop computers.



Step 4: Performing a System Restore

If the issue has begun recently, restoring the computer to a point before the problem began can resolve the issue. For more information about using system restore, refer to Using Microsoft System Restore (Windows 7, 8,10).

Step 5: Recovering the computer

If the other steps in this document failed to resolve the issue, recover all software on the computer back to its original configuration using HP System Recovery. For more information, see HP Guided Solution - Performing an HP System Recovery


Windows restarts after a Windows Update

Your computer might experience system restarts after running Microsoft Windows Update or performing an Automatic Update.
If your computer restarts automatically after a Windows Update, perform the following steps.

Step 1: Uninstall the latest Windows Update

Use the following steps to uninstall the latest Windows Update.

1.In Windows, search for and open View installed updates.

CAUTION:

Make sure you have the installation discs and installation keys for software programs that you want to keep.


2.Check the Installed On column to find the most recent update.
Write down the exact name of the update.

3.Click the name of the update to uninstall, then click Uninstall at the top of the updates list.

Figure: Uninstall option at the top of the updates list

 

4.Read and respond to any messages that might open while the update is being removed from your computer.

5.If the problem is resolved, proceed to the next step to prevent the update from reinstalling on the computer.

If the problem is not resolved, repeat these steps with older updates until the problem is resolved.

Step 2: Prevent Windows Updates from reinstalling the update in Windows 8

In Windows 8, Windows Update might try to reinstall updates that you uninstall. Use the following steps to prevent Windows Update from reinstalling the update on your computer.

NOTE:

The following steps do not apply to computers with Windows 10. In Windows 10, all Windows updates are automatically downloaded and installed, and you cannot choose which updates to install.

1.In Windows 8, search for and open Windows Update.

Figure: Selecting Windows Update

Windows Update opens on the Windows desktop.

2.On the Windows Update window, click Change settings in the left-hand column.

Figure: Clicking Change settings

 

3.In the Important updates box, select Check for updates, but let me decide whether to download and install them, click the checkbox next to Give me recommended updates the same way I receive important updates, then click OK.

Figure: Changing update settings

4.On the Windows Update window, click one of the links under You're set to automatically install updates. Example: 1 important update is available.

Figure: Links to available updates in the Windows Update window

 

 

5.On the Select updates, you want to install window, if the update you uninstalled is listed, right-click the update and select Hide update.

Figure: Selecting Hide update

The update is now hidden and will not be installed. To install hidden updates in the future, click Restore hidden updates in Windows Update