How to deactivate disk write caching to minimize data loss due to a power outage

August 1, 2010

Enabling disk write caching may increase operating system performance. However, it can cause data loss or corruption if a power outage occurs.

Enabling or disabling disk write caching

Right-click My Computer, and then click Properties.
Click Device Manager.
Click the plus sign (+) next to the Disk Drives branch to expand it.
Right-click the drive on which you want to enable or disable disk write caching, and then click Properties.
Click the Disk Properties tab.
Click to select or clear the Write Cache Enabled check box as appropriate.
Click OK.