Windows 8 and 8.1 Forums

Stop scanning non-existent drive?

  1. #1

    Posts : 98

    Stop scanning non-existent drive?

    Hi, I have a Lenovo Miix 2 8" running up to date win81.

    Sometimes I have an encrypted SD card plugged in and sometimes not. On boot up, if the SD is not there, I get a message "Scanning and fixing Drive X" and it sits there for about 30-seconds looking for the non-existent drive.

    I checked Windows Defender Settings and it is not checking for removable drives so not sure where else to look to stop the useless scan that is hogging the boot time.

    Any thoughts on how to fix this?


      My System SpecsSystem Spec

  2. #2

    Posts : 2,073
    Windows 8.0 x64

    There should be some registry key that remembers the SD cards inserted. This utility is for USB and uses the registry USB history to find this info.

    View any installed/connected USB device on your system

    I don't know if there's one for SD cards. I couldn't find anything about falsely detecting SD cards. Everything was failing to detect an inserted card.
      My System SpecsSystem Spec

  3. #3

    Posts : 98

    Thanks Miles, sorry for the delay, had some other stuff to take care of. I had tried poking around in the Registry, but could not find anything to stop the scan. I also checked Windows Defender to make sure it did not have "Removable Drives" checked and it didn't.

    Beats me how to stop it.
      My System SpecsSystem Spec

  4. #4

    Trying to Sith things out
    Bamberg Germany
    Posts : 2,179
    Windows 10 Pro 64 bit

    Are you using the "Safely Remove Hardware and Remove Media" icon in the system tray? When you just pull a USB or SD card with out properly closing it Windows needs to "repair it". From how-to-geek:

    The Answer

    SuperUser contributor Dave Rook explains:
    Yes it can, it’s about what happens if you remove the device when it’s in use (reading or writing):
    When you plug in a USB drive, you give your PC free rein to write and read data from it; some of which is cached.
    Caching occurs by not writing information immediately to the USB device, and instead keeping it in your PC’s memory (RAM). If you were to yank the USB drive out of your PC before this information is written, or while its being written, you’ll end up with a corrupted file.
    However, Windows automatically disables caching on USB devices, unless you specifically say that you want it enabled. For the most part you don’t have to click the ‘Safely Remove Hardware’ button, if you aren’t writing or reading anything from the device.
    Its there simply as an extra level of security preventing you from destroying your own files.
    Doing so causes the files to close “gracefully”, preserving data, pointers and file size indicators. When writing to disk the computer doesn’t always “flush” a buffer and only part of the data may have been written. Using the proper procedure will assure that the data and pointers are in good shape.
    MSalters offers a sobering insight:
    A second reason is that flash drives need to have stable power for ~0.25 seconds after a write command. This is a fundamental physical problem, due random factors some writes may leave a logical 1 bit in a electrical 0.72 state. The fix is easy: just rewrite the bit, perhaps even a few times. Eventually it will stick.
    If you’re really unlucky, the bit falling over will be in a filesystem table and corrupt e.g. an entire directory.
    In other words, it’s not worth gambling with which bit might or might not be corrupted: it might be a temporary file in a portable application’s cache or it might be, as MSalters points out, a critical system file.
    For more information about safe media ejection, check out: HTG Explains: Do You Really Need to Safely Remove USB Sticks?
      My System SpecsSystem Spec

  5. #5

    Posts : 98

    Yup, always have and always will. Can't remember the last time I just unplugged a USB-anything without first using Eject/Dismount etc.
      My System SpecsSystem Spec

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