How to Solve — An error was detected on device \Device\Harddisk2\DR2 during a paging operation

Problem: when copying a large files from external hard disk 1 to external hard disk 2 (both are connected to Windows 7 PC via USB port), Windows PC will hang.

Applies to: Windows 7 Pro

Trouble Shoot: goto “Event Viewer” to determine if there is an error message “An error was detected on device \Device\Harddisk2\DR2 during a paging operation.”

event viewer-paging error-01

Solution: enable “virtual memory” or “paging file” for the external hard disk.


  1. goto “Advanced system settings”
    Enable Paging-01
  2. goto “Advanced  -> Performance -> Settings”
    Enable Paging-02
  3. goto “Advanced -> Change”
    Enable Paging-03
  4. uncheck “Automatically manage paging file size for all drives”, select the hard disk, check “System managed size”, then “Set”
    Enable Paging-04

Windows 7 PC will no longer hang or stall when copying large files.

Also refer to