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Thread: Help! Computer keeps hanging!

  1. #1
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    • hibby's system
      • Motherboard:
      • Supermicro C7Z87-OCE
      • CPU:
      • Intel Core i7-4770
      • Memory:
      • 2x8GB Corsair DDR3 Vengeance LP 1600MHz (9-9-9-24)
      • Storage:
      • 256GB Samsung 840 Pro; 120GB OCZ Vertex 3; 1TB Samsung SpinPoint F1 HD103UJ; 250GB Seagate 7200.10
      • Graphics card(s):
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      • PSU:
      • 620W Corsair HX620
      • Case:
      • Antec P182
      • Operating System:
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      • Monitor(s):
      • 24" Dell U2413; 24" Dell 2408WFP; 17" Dell 1704FPT
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    Unhappy Help! Computer keeps hanging!

    Hmm, getting annoyed now. My computer keeps grinding to a halt for no reason apparent to me. It doesn't seem to be caused by me doing any one particular thing, although I've only noticed it having problems when the computer has been on for a while. Main indication that it's about to freeze is the IDE channel access light on the front of the case coming on for an extended period of time.

    Specification:

    OS - Windows XP Pro SP2
    Motherboard - Shuttle SN45g v1
    PSU - 200W Enermax unit that came with the Shuttle
    CPU - Athlon XP 2500+ (usually running at normal clock, but underclocked to 200Mhz FSB since the problem arose)
    1Gb Ram - 2x 512Mb sticks, one of TwinMos value PC3200 and one of Corsair Value PC3200
    HDD - Seagate Barracuda 7200.7 120Gb
    Graphics - Gigabyte Radeon 9600 Pro 128Mb
    Optical Drives - NEC ND-4551, Samsung DVD/CDRW Combi
    Other stuff - KCorp Wireless PCI card

    CPU temperatures are within the usual range of my setup, 44-46C idle, 48C under normal usage, 52-58C for heavy loads. I've been running the computer with the case open to achieve these temperatures.

    Once the computer does hang, it doesn't want to reboot for a while. The system speaker makes a "chirrup"-ing noise and something spins up (probably the hard drive, but it seems to do it in the BIOS as well which I wouldn't expect). It then hangs at progressively further stages throught the boot process. So to start with, it won't POST. Then with each reboot, it gets a little further through the Windows boot process.

    My first thought was to suspect the hard drive, but the SMART reading seems to be fine. I'm just about to run a scan of it, but wanted to get this posted first before the computer dies on me.

    Cheers for any help you may give, especially if you've read through all that!
    Last edited by hibby; 22-05-2006 at 02:03 PM.
    If you can't keep up, stick with reality...

  2. #2
    I machine things !
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    Sounds like an overheat to me.....PSU, gfx and CPU fans spinning OK ? Exhaust fan blowing hot air out the case successfully ?

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    • hibby's system
      • Motherboard:
      • Supermicro C7Z87-OCE
      • CPU:
      • Intel Core i7-4770
      • Memory:
      • 2x8GB Corsair DDR3 Vengeance LP 1600MHz (9-9-9-24)
      • Storage:
      • 256GB Samsung 840 Pro; 120GB OCZ Vertex 3; 1TB Samsung SpinPoint F1 HD103UJ; 250GB Seagate 7200.10
      • Graphics card(s):
      • Sapphire HD 7970 Vapor-X GHz
      • PSU:
      • 620W Corsair HX620
      • Case:
      • Antec P182
      • Operating System:
      • Windows 7 Ultimate 64bit
      • Monitor(s):
      • 24" Dell U2413; 24" Dell 2408WFP; 17" Dell 1704FPT
      • Internet:
      • Slow, rural broadband
    As soon as I reboot, I try and get into the BIOS. The temp. readings in there are usually:
    CPU 48C
    System 41C
    PWM 44C (I'm assuming this is the PSU)

    The CPU/System fan is going full tilt, as is the PSU fan (although that's only a 40mm job).
    I just can't see why these temperatures are causing it to have problems when it's been working fine all this time.
    If you can't keep up, stick with reality...

  4. #4
    I machine things !
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    OK, may be worth trying memtest (http://www.memtest86.com/) too.....it's obviously hardware related, just a case of identifying which component(s).

  5. #5
    Senior Member this_is_gav's Avatar
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    • this_is_gav's system
      • Motherboard:
      • DFI DK X58-T3eH6
      • CPU:
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      • Memory:
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      • PSU:
      • Seasonic X-series
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    PSU struggling, HDD dying or the IDE cable. They seem the most likely to me.

    I've had this happen when the PSU simply can't provide enough power to the system - it essentially shuts down a hard drive, though it would normally work fine after a reboot, hard or soft.

  6. #6
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    • hibby's system
      • Motherboard:
      • Supermicro C7Z87-OCE
      • CPU:
      • Intel Core i7-4770
      • Memory:
      • 2x8GB Corsair DDR3 Vengeance LP 1600MHz (9-9-9-24)
      • Storage:
      • 256GB Samsung 840 Pro; 120GB OCZ Vertex 3; 1TB Samsung SpinPoint F1 HD103UJ; 250GB Seagate 7200.10
      • Graphics card(s):
      • Sapphire HD 7970 Vapor-X GHz
      • PSU:
      • 620W Corsair HX620
      • Case:
      • Antec P182
      • Operating System:
      • Windows 7 Ultimate 64bit
      • Monitor(s):
      • 24" Dell U2413; 24" Dell 2408WFP; 17" Dell 1704FPT
      • Internet:
      • Slow, rural broadband
    Hmm... I was gonna let this thread die, cos I thought it was all sorted. However... it's done it again.

    It looks to be a heat problem, as so far the only thing that's been the same each time it hangs is the huge pile of paper stacked on top of the computer (hey, it's revision season - that's how my "filing system" works!). This really shouldn't be a problem though, because the air inlet it's blocking would normally not be open if the case was on.

    But... Why would it overheating cause the computer to still hang on booting up to 20 minutes later? I'd expect any excess heat to dissipate long before this (although 20 mins is a guess at how long it was before my patience gave out!).

    So, I've turned off automatic restart in Windows, so hopefully I'll get a BSOD next time it happens. I've put the case back on (for the first time in months with the computer actually running), and now it's a case of sit back and let it crash. That is, if it's a temperature related problem.

    Edit: BTW - The hard drive scan came up with no problems, and memtest didn't come up with any problems on a single run. Oh, and my CPU temp has already jumped 3C since I put the case on!
    Last edited by hibby; 04-06-2006 at 11:46 AM.
    If you can't keep up, stick with reality...

  7. #7
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    Shuttles are known for being hot. Artic Silver 5 and some little mods and better fans/cooling is probably your best bet mate.

  8. #8
    I need a coffee jamena's Avatar
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    despite the shuttle psu's being pretty decent (I think?) for their ratings you might find your 200W unit is struggling to cope. To rule out cooling issues you could run it with it's case off and point a great big desk fan at it?

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    Scan Computers - Tech pands@scan's Avatar
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    What are your psu voltages reporting at
    pands.goggles


  10. #10
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    • hibby's system
      • Motherboard:
      • Supermicro C7Z87-OCE
      • CPU:
      • Intel Core i7-4770
      • Memory:
      • 2x8GB Corsair DDR3 Vengeance LP 1600MHz (9-9-9-24)
      • Storage:
      • 256GB Samsung 840 Pro; 120GB OCZ Vertex 3; 1TB Samsung SpinPoint F1 HD103UJ; 250GB Seagate 7200.10
      • Graphics card(s):
      • Sapphire HD 7970 Vapor-X GHz
      • PSU:
      • 620W Corsair HX620
      • Case:
      • Antec P182
      • Operating System:
      • Windows 7 Ultimate 64bit
      • Monitor(s):
      • 24" Dell U2413; 24" Dell 2408WFP; 17" Dell 1704FPT
      • Internet:
      • Slow, rural broadband
    Doesn't seem to be the heat, cos it's been under load for the past hour @ 60C (not deliberately, it seems Media Player decided to recode a whole load of stuff!).

    The only BSOD I've had since putting the case back on was a complaint from the system that it couldn't write a memory dump to C: because the page file size was too small. It then proceeded to reboot without a hitch.

    So, to answer the last question, voltages as stated by MBM 5:
    Core: 1.65V (although come to think of it, this was only achieved by asking the BIOS to supply 1.7V)
    3.3: 3.3V
    5: 4.94-5.00V
    12: 11.46-11.66V
    -12: -12.11V
    Memory: 2.5V (and this being my 2nd SN45G, this is DO NOT ADJUST!)

    So, yeah, that 12V rail looks a little off, but I'm not the best judge of power supplies. Thoughts people?
    If you can't keep up, stick with reality...

  11. #11
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    Using software to measure voltages is bad, they never come out right.

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    Scan Computers - Tech pands@scan's Avatar
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    yea 12v line seems low....a good cause of the instability is poor voltages

    At scan we class a psu faulty if the voltage is 0.4 or more above or below
    pands.goggles


  13. #13
    Scan Computers - Tech pands@scan's Avatar
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    p.s If your bios is showing voltages, its best to take them from that as noni says, software isnt really usually all that accurate
    pands.goggles


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    I need a coffee jamena's Avatar
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    do the voltages change much between idle and under load (preferrably doing something that pushes all the components ... re-encoding an avi whild copying a bunch of files from a DVD to hard drive or something.

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    I think its a memory problem run mem test it shall tell you.


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  16. #16
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    • hibby's system
      • Motherboard:
      • Supermicro C7Z87-OCE
      • CPU:
      • Intel Core i7-4770
      • Memory:
      • 2x8GB Corsair DDR3 Vengeance LP 1600MHz (9-9-9-24)
      • Storage:
      • 256GB Samsung 840 Pro; 120GB OCZ Vertex 3; 1TB Samsung SpinPoint F1 HD103UJ; 250GB Seagate 7200.10
      • Graphics card(s):
      • Sapphire HD 7970 Vapor-X GHz
      • PSU:
      • 620W Corsair HX620
      • Case:
      • Antec P182
      • Operating System:
      • Windows 7 Ultimate 64bit
      • Monitor(s):
      • 24" Dell U2413; 24" Dell 2408WFP; 17" Dell 1704FPT
      • Internet:
      • Slow, rural broadband
    For a proper test, how long should I leave Memtest to run?
    If you can't keep up, stick with reality...

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