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Troubleshoot Windows 10 Couldn't Update System Reserved Partition

2015-09-14 15:42:50 Posted by Jean to Partition Manager

Summary:
We could not update the system reserved partition on Windows 10 upgrade. This error might be that your PC has run short of space in the system reserved partition.

"Couldn't update the system reserved partition" error

"This PC can't run Windows 10...we couldn't update the system reserved partition". Have you encountered this error message when installing Windows 10 on your Windows 7 laptop? My friends are all done with a successful upgrade but me, why is that? How to tackle the problem of Windows 10 couldn't update system reserved partition? Any answers from you are greatly appreciated.

What is the system reserved partition for and when is it created? The system reserved partition consumes 100 MB of space on Windows 7 and 350 MB of space on Windows 8 or Windows 10, and it is created during Windows installation process. It's unseen unless you use a third-party partition software because Windows hides it by default instead of creating a drive letter for it. So this area won't be noticed until something goes wrong with it, which awaits your energy and wisdom to resolve.

"We couldn't update the system reserved partition on Windows 10 upgrade". This error might be that your PC has run short of space in the system reserved partition or system recovery partition. In this case, you need learn to solve Windows 10 low disk space warning for free.

EaseUS free partition manager helps with easy system reserved partition size adjustment

Windows 10 automatic upgrade from a low version of Windows is going to fail if Windows 10 couldn't update system reserved partition, and the first troubleshooting method we recommend you is to extend the partition and make it big enough for at least 350 MB. To start the partition resizing job, you have to firstly install EaseUS partition freeware, as I've said that the system reserved partition can only be displayed by using such third party partition software. 

Admonition: the system reserved partition has to be on basic MBR disk and the file system is NTFS or FAT. So system reserved partition on GPTdisk couldn't be extended by EaseUS Partition Master.

1. Launch EaseUS Partition Master Free Edition. Right click on the system reserved partition and choose "Resize/move partition".

resize system reserved partition with EaseUS partition software

Note that there should be unallocated space behind the system reserved partition if you want to extend the partition. You can create free space by doing the same with step 1 to shrink the followed c: partition.

2. With free space behind the system reserved partition, just drag the mouse pointer to extend the partition the most wanted size.

extend system reserved partition with EaseUS partition software