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

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.

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