Windows 8 and 8.1 Forums


Reformatting a PC through USB device or LAN

  1. #11


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Just remove the CMOS battery. The PC can boot and post without it. All that happens is your settings get lost and they go back to defaults when you power down. You'll lose your date and time too. A really dead (shorted out) CMOS battery can sometimes stop the PC from posting.

      My System SpecsSystem Spec

  2. #12


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Quote Originally Posted by Notme View Post
    Thank you alphanumeric for your insights. I tried your suggestion and nothing still works.

    I just opened up the power supply to look for fossils, err, something that might be off (it's pretty dusty)

    but I guess it's fine.

    the motherboard does not show any signs of bulging/leaking capacitors.

    later I'm gonna try swapping the power supply and see if it works.

    but I remember this same thing happening on the PC we had before,

    days later the video card began shooting off fireworks.

    on the boot up process by USB, you mean I have to go to boot options and see if the usb device is detected?

    last time the options for boot only included my HD and the network drive

    btw the model of the motherboard is H55MXV
    On the PC I was working on the thumb drive didn't show up at all until I played around with the BIOS settings. I like to think I know what I'm doing, I have been doing it for a while, but it baffled me at the time why I had to change the settings I did.
      My System SpecsSystem Spec

  3. #13


    Posts : 38
    Windows 8


    well, things magically began to work now.

    I tried booting up without/with the CMOS battery and it shows the POST, tried again with all the hardware installed and it works.

    I am not sure why although I might suspect the faint crackling sound of the voltage regulator might be the culprit. So I tried directly plugging the pc to a socket without the regulator. The pc turns on with display. :O

    Turns out the voltage regulator may be defective and its short-circuiting the pc. But I'm not entirely sure. It's an old PC so it may be the motherboard or something.

    as for the USB boot, still have not found a solution, the USB settings does not show in the BIOS options or in the boot options.

    google does not provide answers either.
      My System SpecsSystem Spec

  4. #14


    Can you tell us which make and model of MB you have ?
      My System SpecsSystem Spec

  5. #15


    Posts : 38
    Windows 8


    Quote Originally Posted by CountMike View Post
    Can you tell us which make and model of MB you have ?
    Foxconn H55MXV

    If I remember correctly, we got this board back in 2008 or 2010.
      My System SpecsSystem Spec

  6. #16


    It's new enough to have options for BOOT from USB, check your manual. Foxconn Support - Download
    It's most probably in Advanced Bios Options.
    If there is a fast Boot choice menu (usually F something button) you should have bootable USB stick ready and connected to a USB port.
    For Widows installation you can use : Microsoft Store to make it easily, all you need is a Windows in an ISO file.
      My System SpecsSystem Spec

  7. #17


    Harrisonburg, Va.
    Posts : 10,488
    Windows 8.1.1 Pro with Media Center


    Quote Originally Posted by Notme View Post
    Quote Originally Posted by Brink View Post
    Be careful with opening that PSU. It can still electrocute you even if unplugged.
    ya it gave me a little shock when i was picking the build up dust.

    still won't show display. there are no beeps too. Now I wonder if it's just the CMOS battery that's causing the issue.

    The thread seem to branch from my main concern, can I change the thread title so maybe if someone with the same problem some guy with a solution won't go past?
    Over the years I learned to SHUT DOWN my computer.
    Unplug everything.
    Disconnect all cables.
    Then press the power button to discharge any capacitors & use a ground wire.
    That way I have avoided getting electrocuted.
      My System SpecsSystem Spec

  8. #18


    Posts : 38
    Windows 8


    Quote Originally Posted by David Bailey View Post
    Quote Originally Posted by Notme View Post
    Quote Originally Posted by Brink View Post
    Be careful with opening that PSU. It can still electrocute you even if unplugged.
    ya it gave me a little shock when i was picking the build up dust.

    still won't show display. there are no beeps too. Now I wonder if it's just the CMOS battery that's causing the issue.

    The thread seem to branch from my main concern, can I change the thread title so maybe if someone with the same problem some guy with a solution won't go past?
    Over the years I learned to SHUT DOWN my computer.
    Unplug everything.
    Disconnect all cables.
    Then press the power button to discharge any capacitors & use a ground wire.
    That way I have avoided getting electrocuted.
    I see, that's a very helpful tip you got there. Thank you very much!

    The USB boot issue is still not resolved, but I got a workaround by plugging the hard drive to my cousin's mobo with a dvd drive.

    Do I have to upgrade the BIOS in order to gain access to USB boot option? No matter how hard I dive into the current options or the user manual from the purchase i cant seem to find anything related to it?
      My System SpecsSystem Spec

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Reformatting a PC through USB device or LAN
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