How do you undildo a computer?

It all depends of what you did to "dildo" it in the first place. If it's a virus, get anti-virus and malwarebytes, If it is Driver-wise get the driver off of a driver website of download a driver database to a disc, if its hardware just troubleshoot and you will get it fixed of order a new part off of tiger direct or newegg. You need to be more specific on what type of dildoing was done