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Set boot mode fix for keyboard and mouse control

Winclone users migrating Windows 7 Boot Camp may experience loss of keyboard and mouse control when booting into Windows. 

Installing the Boot Camp device drivers will restore functionality but without keyboard and mouse control, there is no easy way to get the drivers installed.

Set a boot mode to temporarily provide keyboard and mouse control.

Open Utilities -> Terminal and type:  

 
diskutil list
 
The results should look similar to this:
/dev/disk0
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:            GUID_partition_scheme                        *251.0 GB   disk0
   1:                        EFI                                                209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD               199.3 GB   disk0s2
   3:                 Apple_Boot Recovery HD                 650.0 MB   disk0s3
   4:       Microsoft Basic Data BOOTCAMP              50.8 GB    disk0s4
 
disk0s4 is typically the designated Boot Camp partition identifier and "BOOTCAMP" the volume name.  Use the partition number and volume name for your system in the command string as shown in the example below. This Terminal command will start Windows in a special mode where keyboard and trackpad are functional until the next reboot. 
 
sudo /usr/sbin/bless --mount /Volumes/BOOTCAMP --setBoot --legacy --legacydrivehint /dev/disk0
 
Password: (enter administrator password)
 
If that command doesn't work, set by device:
 
sudo /usr/sbin/bless --device /dev/disk1s4 --setBoot --nextonly --legacy
 
Password: (enter administrator password)
 
Next, select Restart from the Apple menu.  Do not hold the Option key while restarting. Keyboard and trackpad control may not be restored immediately.  If that is the case, wait a few minutes and try the keyboard and trackpad again.  Once trackpad control is working, launch the Boot Camp drivers setup file to install the Boot Camp drivers.  Upon restart into Windows, the keyboard and mouse should function normally.
 
If needed, set the Startup Disk back to OS X in System Preferences.
 
If this method does not succeed in providing keyboard and mouse control, please see our "Solution for non-functional keyboard and mouse" help document.
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