How to add another boot partition windows 7

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I have the same question 0. Report abuse. Details required :. Cancel Submit. Hello Arsha, my name is Paul one of the Community Experts. Here's a guide on how you can create a Boot Entry. Type diskmgmt. Right-click the partition you want to set as active. Then choose Mark Partition as Active. Note: Although the two methods noted above can make partition bootable in Windows 7, you must be very careful when using them, as data loss will occur if you make a mistake in the process.

For your data security, the third method is highly recommended. Its operation is very simple, you don't have to worry about the risk of data loss.

It has a feature called Set Active Partition that allows you to make partition bootable in 3 easy steps. Right-click the primary partition you want to set as active. Click Advanced and Set Active Partition subsequently. Confirm your operations and then click Apply. Otherwise, your computer will stop working. Therefore, use this program with caution.

Run as administrator. However, same as Disk Management, when the unallocated space or free space is not adjacent to system drive, Diskpart cannot extend system drive in Windows 7, and it will give you error message saying: There is not enough usable free space on specified disk s to extend the volume. It allows you to extend C drive in Windows 7 without formatting, both bit and bit.

Its "Merge Partition" function can directly merge non-adjacent unallocated space into C drive or other partitions. Just to be on the safe side, backup important data beforehand. Then you can download the freeware and see how it extend Win7 boot drive.

Step 1. Installl and run this software.