So, directed by harrymc, I gave Windows Disk Management another try. In the low-level tasks, like working with an HDD system partition, I prefer to use native tools as much as possible, and switch to third-party tools only as a last resort, if none of native tools worked. Possible culprits: Virtual Memory, System Restore and/or Windows Search Index (System Volume Information folder), Hibernation, Internet Explorer temporary files. Given the details from the steps 2 and 3, determine what component, program or feature is locking your partition.For even more details, optionally, run the fsutil command with the appropriate parameters given on step 2.Find the event with ID 259 in the Windows Event Log and see it's details.Proceed to the step 2, if the shrink fails. Try to shrink the partition in the Windows Disk Management snap-in.Since this is a long process, I would like to avoid doing it again :) So, please, suggest only proven solutions. System recovery didn't work, and I had to do factory recover.
P.S.: I have tried to use the third-party GParted utility, and after shrinking the partition, Windows 7 stopped booting, with a BSoD. So, is there a way to shrink the C: bootable partition and preserve Windows 7 working? As far as I understand, system unmovable files lie in the middle of the partition, preventing Disk Management utility to do what I want.Īnd since new HP laptops don't come with OS installation disks (they only allow you to create recovery disks yourself), I can't just repartition HDD and then reinstall OS. I would like to split this large C: partition into two partitions, leaving only 100 GiB for the system, and giving the rest to a new data partition.Īlthough the Windows built-in Disk Management utility has an option to shrink the bootable partition, it only allows me to shrink it roughly by half, even though only 20 GiB on the partition is used. It has a 500 GB HDD with three partitions: a small hidden system partition, a 12 GiB HP recovery partition, and a 450 GiB C: boot partition. I have just bought an HP laptop with Windows 7 (64 bit).
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