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Thread: PC sounds like a jet airplane landing

  1. #1
    Join Date
    Dec 2005
    Location
    LaCanada
    Posts
    366

    PC sounds like a jet airplane landing

    Hi;

    Please help me with this problem.

    My PC has developed a loud noise which sounds like a jet airplane when it starts landing. I could be wrong, but I think it's related to higher than normal rpm somewhere. The loud noise comes on after some use. The time lapse between startup and loud noise is shrinking more and more. She was always a noisy computer but this is really loud now. It's so loud I can't tell if it's the PSU, case fan, CPU fan or what.

    Using Everest, I get a reading for CPU temp of 142F / 61C, CPU fan speed of 2600 rpm, chassis fan speed of 4600 rpm. The case has two 80 mm fans.

    Where do I start troubleshooting? Should I open the case and disconnect one fan at a time and check for noise? Is this safe to do?

    Thanks for any tips .. HomeSA

    System spec below:

    Intel Pentium 4, 3200 MHz, Socket 478
    Video Adapter ATI 9550, 128 MB, AGP 8X
    Disk Drive Maxtor 6Y250M0 (250 GB, 7200 RPM, SATA)
    DRAM Slot #1 512 MB (PC2100 DDR SDRAM)
    DRAM Slot #2 512 MB (PC2100 DDR SDRAM)
    Xtreme PSU, PM-S320U, 320Watt

  2. #2
    Join Date
    Aug 2003
    Location
    Northern California
    Posts
    13,447
    Do not disconnect the CPU fan in particular! Take the side cover off and equalize your static charge by touching the case, then carefully touch the fan surrounds one at a time while the noise is occurring. The one that is vibrating the worst is the likely suspect. Have you been cleaning the fans? Dust stuck in them can cause noise and vibrations, use a soft brush and canned air but do not spin the fans with the canned air as the bearings cannot stand high RPMs.

  3. #3
    Join Date
    Jan 2004
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    Also I usually carefully touch the center of the fan to slow it down or stop it to see if the noise goes away. If it goes away you have the culprit.
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  4. #4
    Join Date
    Mar 2007
    Location
    Connecticut
    Posts
    2,512
    It could be a fast DVD-drive- mine sounds like a jet engine going off when there is a CD in it, esp. at startup- check to see if you do not leave CD in the drives when you shutdown
    My Computer:
    DELL XPS 400
    250 GB HD & 80 GB HD and 500 GB HD
    ATI Radeon x1950 256 MB PCIe (upgrading soon)
    OS: Win XP Media Center Edition
    Intel Pentium D 2.79Ghz with 3.0 GB RAM + 15GB pagefile
    DVD-ROM ; CD-RW; floppy
    17" Monitor and 20" Widescreen dual
    Looking to upgrade my PSU to a 650 Watt


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    we are not unreasonable... i mean, we wont eat your eyes

  5. #5
    Join Date
    Aug 2001
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    Land of 10,000 Lakes and Minnesota nice!!
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    It's been my experience that it's usually those little whiny chipset fans looking for attention...

    jlr's suggestion works...
    Lighten up! --- A merry heart does good like a medicine. (Proverbs 17:22)

  6. #6
    On one of the fans I've seen, the extra noise came from the propeller thing not being securely fastened to what holds it in place; pressing it in at the center made a click sound and gave a sense that it had not been securely fastened by the manufacturer and caused the extra noise to desist.

  7. #7
    Join Date
    Mar 2007
    Location
    Connecticut
    Posts
    2,512
    Yeah, but it could be a CD left in a 52x tray that is making that noise- just another solution
    My Computer:
    DELL XPS 400
    250 GB HD & 80 GB HD and 500 GB HD
    ATI Radeon x1950 256 MB PCIe (upgrading soon)
    OS: Win XP Media Center Edition
    Intel Pentium D 2.79Ghz with 3.0 GB RAM + 15GB pagefile
    DVD-ROM ; CD-RW; floppy
    17" Monitor and 20" Widescreen dual
    Looking to upgrade my PSU to a 650 Watt


    Internet Help Desk

    My City Visit daily!


    we are not unreasonable... i mean, we wont eat your eyes

  8. #8
    Join Date
    Aug 2003
    Location
    Northern California
    Posts
    13,447
    give it a break, you posted the same guess twice.

  9. #9
    isnt 2600rpm/4600rpm pretty high? -mine runs at 1200rpm/2000rpm -seems to me 4600rpm would be high enough to sound like a jet, but i dont really know what speed they're supposed to be -have you checked the fan speed with everest before/after jet arrives? (at the very least your racking up frequent flyer miles)

  10. #10
    Join Date
    Feb 2002
    Location
    Somerset, England
    Posts
    2,762
    61C, CPU fan speed of 2600 rpm
    That temperature is dangerously high! Have you checked for dust bunnies in the heatsink? Is the heatsink correctly installed?
    be wary of strong drink - it may make you shoot at tax collectors, and miss!

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