[Lalah]

I'm fairly IT literate .. able to clean up computers and get rid of viruses for friends, install programs, and am even quite capable of installing a new hard drive, but this one has me stumped and wondering if anyone can offer any suggestions:

I bought a re-conditioned laptop. As soon as I get it home, the problems were obvious.. it keeps shutting down without any warning; several times I've got the blue screen; it freezes for minutes at a time; when I move the mouse, the screen jumps all over the place; the typing jumps too (even as I type now); and the sound sometimes just goes off. I emailed the guy next day and let him know. He said he would swap it over for me once he got another laptop.

I take it up to his shop today and he goes through my list. Nothing happens while I'm in the store. He asked me to leave it with him and he ran a check on the hard drive .. said there was nothing wrong with it and none of the problems occurred while he was using it.

So I bring it back home again and, as soon as I switch on, the same things happen all over again .. I've been using it for an hour and have had all of the above problems.

The only difference I can think of between his store and my home of course, is my internet connection. I've used several computers in here on the same connection and never had problems like this. The only difference is that the operating system on here is Windows 7 HP, whereas before, it has always been Windows XP.

Does anyone know if it's possible for an internet connection to cause these problems?

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I can't see the Internet connection causing an issue like this. Is there anything else plugged in while it's at your place like a USB printer, keyboard, mouse etc? Was this a fresh OS install or did you inherit somebody else's issues. What is the Stop error you are getting with the BSOD? Is the laptop properly ventilated? Can you boot it up with a live CD like UBCD or a Linux distro to see if the issue occurs in that environment.

[YOCS]

I can't see the Internet connection causing an issue like this. Is there anything else plugged in while it's at your place like a USB printer, keyboard, mouse etc? Was this a fresh OS install or did you inherit somebody else's issues. What is the Stop error you are getting with the BSOD? Is the laptop properly ventilated? Can you boot it up with a live CD like UBCD or a Linux distro to see if the issue occurs in that environment.

[Lalah]

No, there is nothing else attached. Funnily enough, I did have my memory stick in there before for saving my files, but this has now also been corrupted somehow... says I have to format before I can open it, which of course, I can't do or I lose all my files. I can't say whether it was a fresh install or not. The blue screen pops up and then the computer shuts down quickly. I will try and catch it when it does it again and post the error.

[YOCS]

You may also be able to find more info in Event viewer. Go to start-search and type in eventvwr.msc and hit enter. Look at the system and application logs to see if that gives you any insight