The Amendment In the Boot Of Windows 7 And Add another operating System

  

Sometimes happens that you install Windows 7 on Partition, and you have another version of Windows Vista in another  partition but you don't find vista in the boot list so we learn how to

fix this problem

1.Windows Vista:

1 -Go to Run
2 - Type  "cmd"
3 - Type "bcdedit"
Now it will show the list of Windows Boot Manager which varies from one device to another, which concerns us here is the value of the Identifier, a rectangle surrounded by red, where we will need for later use

Now write this:(bcdedit /copy {current} /C "Vista") then press "Enter"

Count that we will need to use the value of Identifier and is here on two {9b31a47c-3e8e-11de-9b91-d640738e3d83} which vary from one device to another and write the following command
(bcdedit /set {9b31a47c-3e8e-11de-9b91-d640738e3d83} device partition=C:)
Press "Enter" and write :(bcdedit /set {9b31a47c-3e8e-11de-9b91-d640738e3d83} osdevice partition=C:)

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