Need to resize System Reserved partition

hdmi · Nov 15, 2025

glasskuter said:
Yes, it does despite you saying over and over it doesn't
View attachment 152885

When I click on the Bootable Media icon, it gives me this:

glasskuter · Nov 15, 2025

OK, I solved this mystery and I want to apologize to everyone for giving bad information. I really don't remember as well as I used to.

I just booted from my Minitool boot disk. When I saw it was a different version of Minitool than what I had installed, I remembered that I bought a year's subscription at 50% off several years ago, I did not renew my license after a year and started using the free version.
That boot disk still works. That's the disk I used to resize my EFI partition.
Y'all are all very correct and I am wrong. I tried to make a boot disk just now from the free version and nada, zilch.
So, my sincerest apologies. I do not like to pass on incorrect information.

gunrunnerjohn · Nov 15, 2025

glasskuter said:
They must have changed it between Oct ( when I did mine.) and March (when you did yours) I know there were a lot of complaints on feedback hub about how difficult it i was to expand the EFI because the MSR was in the way.
Don't guess they updated their documentation either because that screenshot above is directly from MS documentation.

I can't say, I did installs in March and April for four machines, and the MSR is first in all of them.

gunrunnerjohn · Nov 15, 2025

KevTech said:
Odd it is only 15.98 and not 16 in Minitool.
Mine is 16.

View attachment 152909

I never even looked at that after the install. Since that partition isn't normally even required, I considered removing it, but decided it wasn't worth the trouble.

Ghot · Nov 15, 2025

OK... here is "proof" that Minitool (free) can resize the EFI partition, from within Windows...

Minitool Partition Wizard (free) offline installer v12.5 <------- this is my copy, I just uploaded it to Dropbox.

tony359 · Nov 15, 2025

Back to my original question

It's all good, I went to re-enable bitlocker and Windows mentioned something about creating a partition to do not sure what.

At the end I ended up with this:

My SSD is 500GB, 1 GB unallocated feels like a waste. I remember having some unallocated space before I started but it wasn't 1GB!

Why is that?

Is it worth fixing this? I'd need to de-encrypt the drive again, shuffle things around, merge, re-encrypt?

I'd be tempted to wipe and start afresh...

Ghot · Nov 15, 2025

tony359 said:
Back to my original question

It's all good, I went to re-enable bitlocker and Windows mentioned something about creating a partition to do not sure what.

At the end I ended up with this:

View attachment 152963

My SSD is 500GB, 1 GB unallocated feels like a waste. I remember having some unallocated space before I started but it wasn't 1GB!

Why is that?

Is it worth fixing this? I'd need to de-encrypt the drive again, shuffle things around, merge, re-encrypt?

I'd be tempted to wipe and start afresh...

Move the Recovery partition all the way to the right.
Then the unallocated space will be right next to the C: drive.
Then you can add that unallocated space to C:

tony359 · Nov 15, 2025

ok that was painless.

BUT. Now Minitool says the partition is full - but Windows says it's not.

zbook · Nov 15, 2025

Please post share links:

1) Please add WMIC:

Add or Remove WMIC command Feature in Windows 11

This tutorial will show you how to add or remove the WMIC command as an optional feature for all users in Windows 11. The WMI command-line (WMIC) utility provides a command-line interface for Windows Management Instrumentation (WMI). WMIC is compatible with existing shells and utility commands...

www.elevenforum.com

2) Run diskparinfo:

https://www.tenforums.com/attachments/bsod-crashes-debugging/355861d1640707960-batch-files-use-bsod-debugging-diskparinfo.bat

Batch files for use in BSOD debugging - Windows 10 Help Forums

Information This thread is for use by the BSOD team to store batch files that can be used to collect additional data, fix settings or anything else that is useful in debugging BSOD problems in Windows 10. The way I see it working is the first

www.tenforums.com

Batch files for use in BSOD debugging - Windows 10 Help Forums

Information This thread is for use by the BSOD team to store batch files that can be used to collect additional data, fix settings or anything else that is useful in debugging BSOD problems in Windows 10. The way I see it working is the first

www.tenforums.com

3) Run tuneup_plus_log:

https://www.tenforums.com/attachments/bsod-crashes-debugging/360137d1645183388-batch-files-use-bsod-debugging-tuneup_plus_log.bat

https://www.tenforums.com/attachments/bsod-crashes-debugging/360139d1645183596-batch-files-use-bsod-debugging-tuneup_plus_log.zip

Batch files for use in BSOD debugging - Windows 10 Help Forums

Information This thread is for use by the BSOD team to store batch files that can be used to collect additional data, fix settings or anything else that is useful in debugging BSOD problems in Windows 10. The way I see it working is the first

www.tenforums.com

4) Run V2 log collector:

BSOD - Posting Instructions

BSOD - Posting Instructions This will show you how to help provide needed information about your system and dump files. It will not contain any personal or sensitive information about you or your data. To get better help with your Windows BSOD issue, please read these instructions and follow...

www.elevenforum.com

tony359 · Nov 15, 2025

here you go @zbook

logs.zip

You will notice that my EFI partition is mapped to W. I have repeatedly tried to remove that letter with DiskPart. the letter goes away but then comes back after a while. I assigned that letter during the early stages of this issue to find out what was happening in the EFI partition.

If you have an idea on how to remove it for good, that would also be great!

thanks!

antspants · Nov 15, 2025

tony359 said:
ok that was painless.

BUT. Now Minitool says the partition is full - but Windows says it's not.

View attachment 153056

Partition Wizard interprets a Bitlocker encrypted drive differently to how Windows interprets it. The difference comes down to how each tool interacts with BitLocker:

BitLocker encrypts the entire volume. From the perspective of third-party partition managers like MiniTool Partition Wizard, the drive is just a block of encrypted data. Without access to the decryption keys, the tool cannot distinguish between used and free clusters. As a result, it assumes the entire partition is occupied.

Windows Disk Management integrates with BitLocker. Because it runs inside the operating system, it can query BitLocker directly. Disk Management knows which sectors are actually in use and which are free, so it reports accurate space usage.

MiniTool’s limitation is by design. Partition Wizard can still resize, move, or clone BitLocker volumes, but it cannot analyze their internal file system until the drive is unlocked. This is why you’ll often see the drive listed as “100% full” or “RAW” in third-party tools.

Alan Smithee · Nov 15, 2025

Also Aomei Partition assistant can easily resize the first fat32 partition

tony359 · Nov 15, 2025

thanks @antspants

Then it's all good. I was even able to re-enable the Recovery partition which was somehow disabled (and empty).

I've removed W again from Partition Wizard, let's see if it comes back...

zbook · Nov 15, 2025

The Windows installation is approximately five days.

The recovery partition was RAW and disabled.

If it was just fixed then post a new disk par info.

Chkdsk had reported problems on 11/12.
Newer scans were without reported problems.

To remove drive letter W: on the EFI partition see this tutorial (it was just updated with registry (option seven) in case it is needed:

Remove Drive Letter in Windows 11

This tutorial will show you how to remove a drive letter in Windows 10 and Windows 11. Windows will automatically mount new basic volumes that are added to the system, and assign them drive letters by default. A drive letter is a single alphabetic character A through Z that has been assigned...

www.elevenforum.com

The laptop has secure boot not enabled.

There are EF threads on updating.

Code:

Event[4836]
  Log Name: System
  Source: Microsoft-Windows-TPM-WMI
  Date: 2025-11-15T19:59:45.8840000Z
  Event ID: 1801
  Task: N/A
  Level: Error
  Opcode: Info
  Keyword: N/A
  User: S-1-5-18
  User Name: NT AUTHORITY\SYSTEM
  Computer: Yoga
  Description:
Secure Boot CA/keys need to be updated. This device signature information is included here.
DeviceAttributes: FirmwareVersion:JVCN40WW;OEMManufacturerName:LENOVO;OEMModelSKU:LENOVO_MT_82TL_BU_idea_FM_Yoga Slim 7 ProX 14ARH7;OSArchitecture:amd64;
BucketId: 972dc86756caebfbad7b2f10363797fbc42d09a16a5d9d9292af68b3874711d6
BucketConfidenceLevel:
UpdateType: 0
HResult: The operation completed successfully.

Code:

Windows has found problems that must be fixed offline.
Please run "chkdsk /f" to fix the issues.

Code:

  Volume 2                      RAW    Partition    899 MB  Healthy    Hidden

Code:

Windows RE status:         Disabled

Need to resize System Reserved partition

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