What DEVICE do I use to Backup / Save ALL my Files (Documents, Graphics & Desktop)?
My hp invent LAPTOP computer is about 5 years old and is starting to go on it's way out (i.e. I get a weird, pinkish outline on all the items on my screen and a green, flickering background on some items, like pictures & video) . . . Also, I have not been able to do a full BACK-UP of my computer since I first got it (says something about not enough memory) - I can't afford to get a new laptop right now, but I need to get some kind of DEVICE that will allow me to essentially BACK-UP all my files (in case my laptop computer does finally crash or go totally out) . . . WHAT KIND of DEVICE do I need to get to do that (at the very least, I want to be able to BACK-UP all my GRAPHICS folder & files, DOCUMENT folders & files, and ALL the FOLDERS & FILES on my DESKTOP) - would I need a MEMORY STICK, or a MEMORY CARD, or do I need an EXTERNAL HARD-DRIVE?