|Check your online manual, you probably have a recovery partition and all you need is the proper key or combination of keys to tap at start up to access the recovery console. Once you have, you just need to do a factory restore. Understand that this will wipe your hard drive and return it to the way it was shipped from the factory. If you have any files you want to save from this wipe, do that first. Any Live Linux burned to CD or DVD can access your Windows drive and you can then save them to a USB drive.|
You have to be a little bit crazy to keep you from going insane.