Windows 8, stuck on start up screen

Hi,

Thank you for posting your query in Microsoft Community forums.

I understand that the Windows 8 computer freezes at the start screen.

Before proceed with the troubleshooting steps, please answer the following questions below.

1) What is the make and model of the computer?

2) Did you make any changes to the computer recently?

3) Which security software is installed on the computer?

I would suggest you to follow the methods given below and check if the issue persists.

Method 1: Perform a system restore using the Windows 8 DVD.

http://windows.microsoft.com/en-IN/windows-8/restore-refresh-reset-pc

Note: You might be prompted to insert discs or recovery media that came with your PC. Check the info that came with your PC to see if your PC manufacturer provided these discs or media. In some cases, you might have created them when you first set up your PC.

Method 2: Refer to the link given below and follow the instructions.

Windows hangs or freezes

http://support.microsoft.com/kb/2681286

Safety Scanner Disclaimer: There could be a loss of data while performing a scan using Microsoft safety scanner to eliminate viruses if any.

Method 3: Refer to the article given below and perform the instructions provided.

Improve performance by optimizing your hard drive

http://windows.microsoft.com/en-US/windows-8/improve-performance-optimizing-hard-drive

Note: While performing chkdsk on the hard drive if any bad sectors are found on the hard drive when chkdsk tries to repair that sector if any data available on that might be lost.

Also refer to the article given below.

Ways to improve your PC's performance

http://windows.microsoft.com/en-US/windows-8/improve-pc-performance

Hope it helps. For any further Windows related assistance, feel free to contact us and we will be happy to help.