What does the reset button do?
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Thread: What does the reset button do?

  1. #1
    Join Date
    Sep 2000
    Grand Junction, CO

    What does the reset button do?

    Just exactly what does the reset button do? How does it differ from selecting Turn Off Computer and selecting Restart?

    Curious, haven't been using it but maybe I should.

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  2. #2
    Join Date
    Nov 2002
    Manchester UK
    it is the same as pressing the power button twice when your computer is already on.
    this causing you to run scandisk
    best used when your pc crashes
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  3. #3
    Join Date
    Nov 2000
    London, England
    its not meant to restart the computer whilst an os is operating, only for crashes really, it basically restarts everything without saving.
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  4. #4
    Join Date
    Oct 2001
    Justintime is right. If you need to restart, do it from the Start menu if possible. Sometimes the PC will freeze, and the only way is to hit the restart button. And what Justintime just mentioned, it will restart without saving your work.

  5. #5
    Join Date
    Oct 2002
    Why has no-one told the man that it's simply a switch that momentarily cuts power to the board ?

  6. #6
    Join Date
    Jun 2000
    Montreal, Que, Canada
    Originally posted by Streptococcus
    Why has no-one told the man that it's simply a switch that momentarily cuts power to the board ?
    The reset doesn't cut the power at all. The reset button, sends the processor's reset pin to ground, which in turns clears all NMIs (non maskable interrupts) and forces a cold boot.
    Gilles Lussier

    HWC Folding@Home Team

  7. #7
    Join Date
    Jan 2002

  8. #8
    Join Date
    Jun 2002
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  9. #9
    Join Date
    Jan 2000
    Glasgow, Scotland
    Nice definition glussier. Of course, the reason you use the reset button rather than turning the power off and on again is because the power surge caused by powering up and down (particularly in rapid succession) is bad for many of the components and could shorten their life.

    That's why some people leave their systems on 24/7, although there's been plenty of arguments on HWC over the years about the merits of that strategy.

  10. #10
    Join Date
    Feb 2002
    Ok so on the subject or rebooting

    What is the difference between hard and soft reboots?

    Am I right in thinking that a hard reboot is using reset button or power button and cutting the power. A soft reboot is using your OS to restart the computer?

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  11. #11
    Join Date
    Feb 2001
    high wycombe, UK
    a hard reboot - power off/on or using the reset switch is the same as turning on the machine for the first time - all devices are reset and powered up/initialised completely blanking any residual setting

    a soft reboot - ctrl,alt,delete restarts the computer from the moment past initialising the hardware which is why the memory isn't retested at startup. This i believe can leave residual settings in hardware/memory etc and potentially virus's so is fine for resetting machine if possible after a common or garden software crash but if you've used software to change hardwaresystem settings e.g. agp fast write(prehaps?) you need a hard reboot or obviously if the system is no longer responding to ctrl alt del.

    think thats right, or least ways right enough for the average layman!

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