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  1. #1
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    Hard drive/CPU sound

    Hi - Have a brand new Dell computer and sometimes I cannot hear it, othertimes I hear a very low hum-like sound. Can external influences cause this difference - humidity and???

    Thank you.

  2. #2
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    External power fluctuation but probably not other external issues. Could be a power supply or fan or disk drive about to fail. Is this a desktop or notebook? In any event you should do a complete system backup ASAP - before you attempt any further diagnosis.

    Joe

  3. #3
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    Thanks for the Quick reply.

    It's a (brand new) desktop. As I said, the 'sound' is like a low hum. Not menacing, notscreeching.

    Re system backup: I have 402GB free of 441GB. If I were to backup to a thumb drive, am I correct in thinking only files would be backed up?

    Thanks much

  4. #4
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    Depends on the method used. At a minimum you should back up your important files. If you consider an image backup of the system that will contain everything on the system.

    Joe

  5. #5
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    My Dell HD makes a hell of a racket, its about 6 months old and has been doing it since new.
    Sometimes it sounds like it is groaning.

  6. #6
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    Quote Originally Posted by mipendance View Post
    ...sometimes I cannot hear it, othertimes I hear a very low hum-like sound...
    The "hum-like sound" is almost certainly your CPU cooler fan spinning up when the CPU temperature reaches certain levels. Not necessarily a problem.

    You could install and run a monitoring program (e.g.: "Speedfan" http://www.almico.com/speedfan.php ). Best if CPU temperature doesn't go above 70C under load and should be 35C to 50C when system is idle.
    Computer Consultant/Technician since 1998 (first PC was Atari 1040STE in 1988).
    Most common computing error is EBKAC: Error Between Keyboard And Chairback
    AMD FX8120 (8-core @ 3.1GHz) CPU, Gigabyte GA-990FXA-D3 motherboard, 8GB (2x4GB) DDR3 1866MHz RAM, ATI-AMD Radeon HD6770 PCI-E VGA, 480GB Kingston SSD, 2TB Seagate SATA3.0 HDD, ASUS DVD/RW.

  7. #7
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    Thank you for this info.

  8. #8
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    +1 for the system fan speeding up in response to increases in CPU temperature. When it is noisy check CPU usage in Task Manager - it's probably high.

    cheers, Paul

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