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a) Did you make any changes to your computer recently for this issue to occur?
b) Does it shut down on start up?
Step 1: you need to Disable automatic restart on system failure on your computer and note the error message you are receiving on the blue screen and you need to post back to us.
In order to do that you need to boot your computer in advanced boot options and select disable automatic restart on system failure.
Follow this below provided link to start your computer in Advanced startup options.
Step 2: Here are few troubleshooting steps you could perform in order to resolve the issue
Try Booting the computer in Safe Mode
To boot into safe mode, follow the below steps:
1. Remove all floppy disks, CDs, and DVDs from your computer, and then restart your computer.
Click the Start button, click the arrow next to the Lock button, and then click Restart.
2. Do one of the following:
• If your computer has a single operating system installed, press and hold the F8 key as your computer restarts. You need to press F8 before the Windows logo appears. If the Windows logo appears, you will need to try again by waiting until the Windows logon prompt appears, and then shutting down and restarting your computer.
• If your computer has more than one operating system, use the arrow keys to highlight the operating system you want to start in safe mode, and then press F8.
3. On the Advanced Boot Options screen, use the arrow keys to highlight the safe mode option you want, and then press ENTER. For more information about options, see Advanced startup options (including safe mode).
4. Log on to your computer with a user account that has administrator rights.
When your computer is in safe mode, you'll see the words Safe Mode in the corners of the display. To exit safe mode, restart your computer and let Windows start normally.
Refer the below link for more details:
Start your computer in safe mode
Step 3: If the issue doesn’t occur in safe mode then you need to perform a clean boot to identify the faulty or conflicting program on your computer.
Clean Boot Troubleshooting.
1. Click Start, type msconfig in the Start Search box, and then press ENTER.
User Account Control permission.
If you are prompted for an administrator password or for a confirmation, type the
password, Or click Continue.
2. On the General tab, click Selective Startup.
3. Under Selective Startup, click to clear the Load Startup items check box.
4. Click the Services tab, click to select the Hide All Microsoft Services check box, and then click Disable All.
5. Click OK.
6. When you are prompted, click Restart.
7. After the computer starts, check whether the problem is resolved.
If the issue is resolved check which third party program is causing the problem, referring the link given below:
Reset the computer to start as usual.
After you have finished troubleshooting, follow these steps to reset the computer to start as usual:
Click Start, type msconfig.exe in the Start Search box, and then press ENTER.
If you are prompted for an administrator password or for confirmation, type your password, or click Continue. On the General tab, click the Normal Startup option, and then click OK.
When you are prompted to restart the computer, click Restart.Also see: On how to fix Blue Screen (STOP) errors that cause Vista to shut down or restart unexpectedly
Ignore the title of the online link as this is applicable even for the issue you are facing.
Thanks and Regards:
I. Suresh Kumar- Microsoft Support.
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