Ok, I'm not quite sure how to concisely describe the problem since it's made up of so many things which have effectively rendered my computer useless. I think it's a virus, but my virus scan didn't come up with anything helpful, so.
Last night I was watching Youtube videos and editing some photos when I noticed I had to tap at the touchpad several times before the computer responded. Then it stopped working completely (ie I could still move the mouse pointer but couldn't click using the touchpad). I switched windows to look for a solution on the internet, but when I clicked at the address bar of Google Chrome the cursor started moving ahead on its own, like someone was pressing the space bar - but I wasn't. This made typing impossible as there were huge gaps between each letter. I switched the computer off and switched on again (thank you, ICT lessons), but the problem hasn't disappeared - only now, the mouse pointer occasionally disappeared when stationary. It was getting late so I switched it off again and went to sleep.
This morning as I was starting it up it was making bleeping noises it usually makes when I plug it in/unplug it from power. I tried to type in my user account password... and couldn't. The capslock wasn't on, I sure didn't forget the password overnight, but I kept getting error messages and couldn't log on. Worse, when I tried to switch to an account that wasn't password protected, it kept jumping back to mine after maybe 3 seconds. I finally managed to click on the icon of the second account and logged on.
The touchpad still doesn't click, when I opened Chrome and clicked on the address bar it reacted like I've clicked with the right handside button (so I couldn't type) and the mouse pointer still randomly disappears. I ran a quick Norton scan and it came up with 22 "risks" which it apparently "fixed" but the problem still hasn't disappeared. I would be v. v. grateful for a prompt reply as the laptop isn't actually mine, but my father's (who keeps the bulk of his treasured photographs on the hard drive).
EDIT: I opened it in Safe Mode. the touchpad now works, but random keys on the keyboard have stopped working. Others come up with random combinations when I press them, eg. "tu" instead of "t", "p-]" when I press "-". I can't even reinstall keyboard drivers, because I can't type in my administrator's password.
Edited by delightfulkittens, 02 August 2012 - 09:06 AM.
Moved from Vista to Am I Infected - Hamluis.