The trick is to hold down the Shift and F8 buttons , you will see the recovery screen appear, there are 2 options to reboot the computer and access the advanced repair tool. As in the picture below!
You will need to click on the Troubleshoot - Troubleshoot option .
Now select advanced options - Advanced options .
Now select Startup Settings to find Safe Mode .
The advanced options here can allow you to fix the problem - the auto repair option is especially helpful, and system restore or the optional Safe Mode can help you boot your computer. .
You have a second option, however, which requires you to be booted into Windows already. Press Win + R and type msconfig in the run box and press Enter.
Switch to the Boot tab, and check the box in Safe mode as shown below!
You can also choose the type of Safe Mode you want to boot into:
The Active Directory options are associated with restoring a server that is a domain controller for your network.
Once you have selected the option you click on the Ok button and restart your computer.
Your device will boot into Safe Mode automatically.
If you restart your computer, you will continue to be booting into Safe Mode, to prevent opening this msconfig again and uncheck the safe boot option , then click on the ok button.
Finally restart your computer.
So through this article, you already know how to boot into Safe mode on Windows 8. Safe mode is useful when the computer can not boot normally, or you need to check the computer for errors.
If you run Safe mode normally, your computer is having an operating system or software problem.Repair Windows 8 with the Refresh, Reset or uninstall the software that has caused the incompatibility.