I have an external h d can I install a second operating system on it to try it out to see if I like it or not and be able to keep vista on my lap top at the same time?

I have a Toshiba laptop circa 2003/04 that I love, but that is getting really slow. I am going to do the things that people have suggested for slow computers, but I have another question. I was thinking about getting an external hard drive and am wondering if this will help solve my problem. ...

I have had one 80 gig external for a while; photos, itunes etc. (H drive) The new 250 gig is strickly for backing up business files. ("I" drive) Somehow when I set that one up it took the letter of my other 80 hard drive. Now when I try to access the old H drive it sees the old file names but...

Ok I have a problem with my external hard drive. When it loads it will be created as drive (G) and it should be drive (F) all of my other hard drives default to (F) when loaded except one it go to (G). The software I use to access the information on the hard drive creates links like (F)...

OilMan6 :confused: 31 October 2005 0630 Hrs. SUBJECT: Both computers will not recognize three new external hard drives. How do I give these three hard drives the values of G:, H:, and I:?