How to restore gateway laptop to factory settings without cd

[gwallac4]

please help me my computer will not come to the menu for me to access windows or internet. i believe that i have a worm and the whole system crashed.

 

[ksiemb]

please help me my computer will not come to the menu for me to access windows or internet. i believe that i have a worm and the whole system crashed.

Have you tried safe mode & repair options available there ?
Even being able to run AV scans ?