Yes Mad Boy, if you're going to format your hard drive, you need to have all the drivers for your devices ready to reinstall again as a format will wipe *everything* from the drive, not only the data and rubbish you've built up.
If you have a 17" monitor the usual default resolution is 1024 x 768(??), if you have a 15" monitor the usual default resolution is 800 x 600. You can change the resolution in Control Panel > Display > Settings tab.
Smile/KFC CA6525DL/CB6525DL is your monitor and S3 Inc. Trio3D V2.62.06 is your video card. If you're having problems with your display, look for up to date drivers on the net for your graphics card.