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My computer crashes many times every day, it started a few days ago. i am running 10.04, on a two years old laptop. i am afraid my hardware is about to blow up in flames, but before buying a new computer i'd like to hear if anybody else is experiencing something like me.

when i turn on my computer it sometimes makes a beep noise and gets stuck. other times it lets me log in, then the screen gets an acid trip, and the computer is stuck. other times it lets me log in and shows the desktop, then it goes banana's again. and finally when i have my second life viewer open, it gets stuck nearly every time i log in.

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Ubuntu is not crashing your machine. Why do you say it is doing that. The beep is given well before Ubuntu even starts to load. It is coming from your machine's BIOS program. It is an error message. Sites like this will give more information. computerhope.com/beep.htm Or the BIOS maker's web site. You need to see the POST (Power-ON Self Test) messages. –  grahammechanical Jan 9 '12 at 14:01
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2 Answers

This looks like a temperature issue to me, but it's a far shot.

If 10.04 used to work ok you can use it to test your computer. Load 10.04 from a Live CD, if it works you have a software problem, it the computer still crashes you can be quite sure that you have a hardware problem.

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  1. Tip #1: Try logging into recovery mode, and try the oneiric kernel from the ppa.

    apt-add-repository ppa:kernel-ppa/ppa
    apt-get update
    apt-get install linux-image-generic-lts-backport-oneiric linux-headers-generic-lts-backport-oneiric
    

    The old kernel will still be there, so you won't damage anything.

  2. Tip #2: Run a memtest and check for memory defects.

  3. Tip #3: Grab a screwdriver and open your laptops back. Using a vacuum cleaner, get the dust out.

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Don't use a vacuum cleaner on a computer. Vacuum nozzles are non conductive plastic and the action of air rubbing on them can accumulate high static charges which can fry delicate electronics. Either acquire a special computer vacuum with conductive nozzle, or a can of compressed air ("air duster") for the purpose of cleaning dust from computer equipment. –  Adrian Jan 10 '12 at 0:21
    
I am a physicist, it won't hurt anything. I do this twice a year in my dormitory where I am a sysadmin. Nothing died. –  gajdipajti Jan 10 '12 at 18:25
    
Even physicists get lucky sometimes ;) @adrian 's method is more safe. –  Rinzwind Jul 9 '12 at 14:30
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