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Help - Computer Crashing

By mrmoo232
Jul 8, 2009
  1. First, i'd just like to say in advance, thankyou to anyone who helps me correct this problem.
    I have done alot of testing so this might get long.

    Heres my problem
    About 8 months ago my computer started crashing randomly whilst playing videos (mainly AVI, MPEG, MKV) after a few weeks it got more frequent and was really starting to annoy me. When i say it crashes, i mean it just freezes and i have to press the reset button (no BSOD or anythin). I reinstalled windows vista and installed all my programs and latest drivers, this didnt fix the problem at all, so i disconneted all my HDDs except the windows drive, formatted the drive and installed XP on it. Again, my PC would still crash mostly when watching vids.
    Because the crashes were so random it was hard for me to find where the problem was comming from but i then got some MKV videos, which always crashed after about 10 mins of watching. I installed Windows 7 RC1 and the problem was still there, so i deleted all my codecs and chose each codec carefully, after trying different codecs i found out that ffd show, vob sub and an MKV codec were causing the computer to crash, so i found replacements for them all - Xvid, Divx, haali and AC3 filter. With only these codecs installed, i can play all my videos without the frequent crashing.
    However, the PC still crashes when playing games for a long time (after about 3 hours) and very rarely when im watching a video (maybe once a week). I have just re-assessed my windows experience index in win 7 and when it got to the "assessing media decoding" section, the computer crashed again.

    If anyone knows what could be causing the problem i would appreciate it very much.
    Id like to add that i'v tried removing RAM and memory tests and got no errors.
    Also, Iv checked temperatures:
    CPU - 40C idle, upto 50C load
    GPU - 62C idle, 70C load
    At first i thought my GPU was overheating, but it turns out its supposed to run that hot, plus the fan speeds up when it gets hot and is very loud when on full, i would have noticed if it was overheating

    Below is my spec:
    Intel core2 quad Q9450
    Nvidia Geforce 9800GTX
    2GB corsair ram 1333MHz
    XFX 790i ultra motherboard
    Creative X-Fi Fatal1ty champion
    700W coolermaster PSU
    2 x 500GB maxtor HDD sata2
    2 x 400GB seagate HDD IDE
    1 x 250GB maxtor HDD sata 2
    optiarc DVDRW sata
  2. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    You are running 5 hard drives. The two 500GB dives are power hogs by themselves... Replace the power supply with a quality dual or quad 12 volt rated 850 Watt supply, and see if your system stablizes
  3. JessicaD

    JessicaD TS Rookie Posts: 17


    Microsoft does have an official Windows 7 RC Support Forum located here socialdottechnetdotmicrosoftdotcom/Forums/en-US/category/w7itpro/ (Replace the "dot" with a period "."). It is supported by product specialists as well as engineers and support teams. You may want to check the threads there for further assistance.

    Microsoft Windows Client Team
  4. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    Welcome to Techspot JessicaD,
    Windows 7 has to be the most stable OS ever designed by Microsoft since Windows 3.11. I'm running Windows 7 RC 64 bit and Vista Home Premium SP2, 64bit side by side. I am truly amazed at the smoothness and speed of Windows 7 RC
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