Most Windows Vista users may have accountered this problem: Windows Vista reboots repeatedly and don't know why. You may receive an error message, no matter how you do with it, your computer just keeps rebooting, or the Windows logo appears and then reboot again.
Usually, when this happens, you may have just finished a Windows update or an anti-virus tool. You can't restore it to a correct configuration, nor access the safe mode to perform a repair. And you don't want to reinstall your Vista to give up all data on it.
Don't worry. You still have a way to fix this Vista rebooting issue: get a Vista bootable CD or USB that can help you access and repair your Vista. Here is my recommendation: Wondershare LiveBoot Boot CD/USB. You can use it to make a bootable CD or usb drive.
How to fix the Vista restarting issue
After purchasing this software, you'll get a download link and a license from Wondershare. Download and install it on a good-working computer, and then follow steps below to get your problem done.
Step1. Burn a bootable CD/usb drive for your Vista
First of all, prepare a blank CD or usb drive and insert it into the computer where you installed Wondershare LiveBoot. Run the program and follow the wizard "How to create LiveBoot bootable CD" or "How to create LiveBoot bootable usb drive" to burn a bootable disk for your Vista. All you need to is to perform one click on the green burning button.
Step2. Access your Vista with the bootable CD/USB
Now, insert the burnt CD or usb drive into the computer that keeps rebooting and restart it. When the system loads, press F12 immediately to get into the Boot Device Menu. Here, select "Onboard or USB CD-ROM Drive", and you'll get a boot menu bellow. Click "Boot from LiveBoot" to access your rebooting Vista.
Step3. Fix your "Windows Vista rebooting" problem
It takes you a few minutes to get into the computer system. After getting in, go to the "Windows Recovery" of the Wondershare LiveBoot 2012, and choose "Loading Crash Solution". Here you'll get the solution helping you solve your Vista rebooting problem. Just follow the methods displayed and get your problem done.
When the problem fixed, take out of the LiveBoot CD/ usb drive, and restart your computer as normal. Then you'll find that you can boot your computer successfully as normal.