My Acer Laptop is on the Fritz...

[MaShellAust10]

Hello, my acer laptop is acting funny. When I turn it on the start-up screen comes on, nut it takes forever to load and it never does and when you try to press F2,F1, or F8 the screen turns all different colors. Can you tell me what's wrong and how to fix the situation?

 

[nhasian]

Here are detailed step by step instructions with pictures:

How Do I Use the Windows System Restore Utility?
How Do I Perform a Startup Repair or Repair Installation of Windows?
How Do I Perform a Clean Installation of Windows?

Also there is SFC How to use the System File Checker tool to troubleshoot missing or corrupted system files on Windows Vista or on Windows 7