But what more common seen is, a separate System partition which is 100MB-200MB around in size lays on left hand side of a boot partition. One physical partition can play a role of System and Boot together.
System partition - Which contains the 2 boot files Bootmgr and BCD.īoot partition - Where all Windows files are located, including Windows folder, User folder and Program folder etc. Since Windows Vista, the new generation Windows Operating system adopts a new way to be loaded, the two boot files NTLDR/Boot.ini in Windows XP were replaced by Bootmgr/BCD, which help users manage the boot process and the boot menu before Windows loading animation appears, and right after computer hardware self-test. What is MSR: Microsoft Reserved Partition (MSR): the reserved partition, which doesn't store user data, the size of this partition is 128M if the volume is less than 16GB, then the size is 32MB the MSR partition is made for subsequent use by operating system software.-Dell software explained.What are system partition and boot partition Why can't Disk Management extend MSRīecause Disk Management extends volume downwards, if the Reserved Partition is at the end of the disk, then the Extend Volume will show as clickable but the Reserved Partition in GPT drive is in front of the disk, see the screenshot below, it is at the very beginning of the disk with size 128M, that's the reason Disk Management disabled at this time. Then the program will lock the volume to operate.See the result below. Click the system partition, Use Resize/Move Volume on the listed operation column, then you can find out that there are 2 ways on extending, first, drag the arrow to the left top, then click ok second method is directly type in the number of size in Volume size, Unallocate space before and unallocated space after column, the former one is easy to use, and the later one is used when you have large size to resize Then Click OK to proceed, almost done, >click Commit to run the operations. Run Disk Partition Expert, in the disk map you can see GPT (Reserved Partition), choose the partition and Delete Volume then you'll see the color of this partition changed, and shows as "Unallocated" in the interface Ģ. "Extend Volume" function in disk management cannot extend system reserved partition, so we can do the extension in Partition Expert Free, Download, and install,įree Download Steps to extend C Drive with system reserved partition:ġ. Situation: I want to install Windows 10 in my gpt drive, but I found a reserved partition with 128MB size in front of the disk, how can I take full use of this space into system partition, I mean I want to merge system reserved partition with C Drive,
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