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    Enable or Disable Disk Write Caching in Windows 10

    Enable or Disable Disk Write Caching in Windows 10

    How to Enable or Disable Disk Write Caching in Windows 10

    Published by BrinkCategory: Performance & Maintenance
    09 Sep 2015 Last Updated: 24 Mar 2017 at 21:45

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    Posts: 24,367

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    How to Enable or Disable Disk Write Caching in Windows 10

    information   Information
    Disk write caching is a feature that improves system performance by using fast volatile memory (RAM) to collect write commands sent to data storage devices and cache them until the slower storage device (ex: hard disk) can be written to later. This allows applications to run faster by allowing them to proceed without waiting for data write-requests to be written to the disk.

    While disk write caching may increase system performance, it can also increase the chances of data loss in case of power or system failures before the data from the write-cache buffer is flushed by writing the data to the disk.

    This tutorial will show you how to enable or disable disk write caching on devices for better performance or quick removal in Windows 10.

    You must be signed in as an administrator to be able to enable or disable disk write caching.

    Note   Note
    Removable disks have disk write caching disabled by default for quick removal without having to use Safely Remove Hardware.

    Internal disks have disk write caching enabled by default for better performance, but you must use Safely Remove Hardware before disconnecting the disk to prevent data loss.




    Here's How:

    1. Open the Win+X menu, and click/tap on Device Manager (devmgmt.msc).

    2. Expand open Disk drives, and double click/tap on the disk that you want to enable or disable write caching. (see screenshot below)

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    3. Do step 4 (enable) or step 5 (disable) below for what you would like to do.


     4. To Enable Disk Write Caching on the Device

    A) Click/tap on the Policies tab, and select (dot) Better performance. (see screenshots below)

    B) Check the Enable write caching on the device box under Write-caching policy.

    C) Check or uncheck the Turn off Windows write-cache buffer flushing on the device under Write-caching policy.
    warning   Warning
    To prevent data loss, do not check Turn off Windows write-cache buffer flushing on the device unless the device (disk) has a separate power supply (ex: UPS) that allows the device to flush its buffer in case of power failure.


    D) Click/tap on OK, and go to step 6 below.

    Click image for larger version. 

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     5. To Disable Disk Write Caching on the Device

    A) Click/tap on the Policies tab, select (dot) Quick removal, click/tap on OK, and go to step 6 below. (see screenshots below)

    Click image for larger version. 

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    6. If prompted to restart the computer to apply, click/tap on Yes or No for what you want to do. (see screenshot below)
    Note   Note
    Yes = Restarts the computer immediately. Be sure to save and close everything first.

    No = Allows you to manually restart the computer later when you're ready. Your changes will not be applied until you restart the computer.


    Name:  Write_cache-4.png
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    That's it,
    Shawn
  1.    21 Sep 2015 #1
    Join Date : Sep 2015
    Posts : 3
    win 10 pro

    No Policy Tab


    Shawn,

    Thanks. Nice tutorial, but I don't have a policy tab on the property sheet. Now what?
      My ComputerSystem Spec
  2.    21 Sep 2015 #2
    Join Date : Oct 2013
    Posts : 24,367
    64-bit Windows 10 Pro build 17017
    Thread Starter

    Hello captain, and welcome to Ten Forums.

    Please go ahead and post some screenshots showing what you see in Device Manager and Properties for this device to see if it may reveal anything.

    https://www.tenforums.com/tutorials/1...en-forums.html
      My ComputersSystem Spec
  3.    21 Sep 2015 #3
    Join Date : Sep 2015
    Posts : 3
    win 10 pro

    Sure. Pretty simple really. Missing tab.

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    Last edited by Brink; 21 Sep 2015 at 12:16. Reason: broken quote
      My ComputerSystem Spec
  4.    21 Sep 2015 #4
    Join Date : Oct 2013
    Posts : 24,367
    64-bit Windows 10 Pro build 17017
    Thread Starter

    Ah, that's why. You won't be able to for a DVD drive.
      My ComputersSystem Spec
  5.    21 Sep 2015 #5
    Join Date : Sep 2015
    Posts : 3
    win 10 pro

    Ooops. That explains it. Thanks.
      My ComputerSystem Spec
  6.    21 Sep 2015 #6
    Join Date : Oct 2013
    Posts : 24,367
    64-bit Windows 10 Pro build 17017
    Thread Starter

    Anytime.
      My ComputersSystem Spec
  7.    29 Sep 2015 #7
    Join Date : Sep 2015
    Posts : 2
    windows 10

    hi Brink,

    I can't enable write caching on my Micro SD card 128 GB on Win 10 Surface Pro 2 ?

    On Win 7 I was able and works ok.

    If I try enable in device manager I get windows error - could not change write caching settings on this device...

    Something wrong with WIN 10. I keep my Outlook files on my SD card and always freeze up my outlook 2013 after some time and I must restart computer.

    thanks in advance with expert helpClick image for larger version. 

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      My ComputerSystem Spec
  8.    29 Sep 2015 #8
    Join Date : Oct 2013
    Posts : 24,367
    64-bit Windows 10 Pro build 17017
    Thread Starter

    Hello milanbl30, and welcome to Ten Forums.

    Personally, I wouldn't recommend enabling write caching on removable media to help prevent data loss if it should be disconnected by mistake.
      My ComputersSystem Spec
  9.    29 Sep 2015 #9
    Join Date : Sep 2015
    Posts : 2
    windows 10

    Quote Originally Posted by Brink View Post
    Hello milanbl30, and welcome to Ten Forums.

    Personally, I wouldn't recommend enabling write caching on removable media to help prevent data loss if it should be disconnected by mistake.

    I use micro SD like HDD and it's always in slot.. don't worry about that, can you help me to solve my problem ?
    My outlook is freezeing everyday and must restart computer, can't work normally...

    Outlook email files .pst I keep on micro SD.
      My ComputerSystem Spec

 
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