How to lump the 100MB system reserved partition as part of C Drive?

cheesum · Jun 18, 2013

Hi all;
Please kindly advice how can i hide this 100MB system reserved partition as part of the Windows OS C Drive? I do not mind re-installing (clean installation) of Windows 7 again. But then, can anyone teach me how to hide this 100MB system reserved partition and lump it as part of the Windows OS C Drive?

derekimo · Jun 18, 2013

Here's a tutorial just for that,

http://www.sevenforums.com/tutorials/71363-system-reserved-partition-delete.html

AddRAM · Jun 18, 2013

If you create a partition to install windows on, you will never get the 100 MB System Reserved partition. But, it`s nothing to worry about.

gregrocker · Jun 18, 2013

Why do you want to do this? System Reserved should never have a Drive Letter but that's as hidden as it gets. Can you just ignore it?

Deleting it is quite involved. But we can help you do it if you want.

XweAponX · Jun 18, 2013

It's usually where Windows 7 hides it's Grub files. If you have a dual boot Windows 7-8 the system will not create this, but every initial install of Windows 7 I have ever done on a fresh hard drive has had that 100 meg partition. Be careful because if you just delete it, and expand the drive out to full size, you may not be able to boot. Thats what I did when I first noticed these partitions, and my Windows 7 would not boot unless I used Hiren's Boot disk to force it. I had to use Partition Wizard version 7 to "Fix MBR" - When I did that, it re-created that 100 MB partition, after I ran the Boot Repair from the Windows 7 install disk.

cheesum · Jun 18, 2013

AddRAM said:
If you create a partition to install windows on, you will never get the 100 MB System Reserved partition. But, it`s nothing to worry about.

Hi - thanks for the fast reply.
Please correct me if i am wrong here. Do you mean if we create 2x primary partitions (C & D drive) and install Windows to C Drive, hence Windows will automatically install the 100MB System Reserved partition to C Drive. Is this correct?

Also, please educate me on creating 2x partitions for C & D where C partition is primarily used for Windows + Drivers. WHat is the use of D partition then? What is the logic behind having 2 partitions? Also, what is the ideal size for both C & D partition? Mine is an Intel SSD 120GB.

Thanks for the help.

PS:
Yesterday, when doing a clean installation of Windows 7 SP1 (without updates) + Drivers + all the software, it took about approximately 35GB.

derekimo · Jun 18, 2013

Just so there is some history here, you should mention your other thread about creating a one key recovery,

http://www.sevenforums.com/software/293059-how-convert-rar-iso-file-lenovo-okr7-0-engineering-3.html

Or have you abandoned that?

cheesum · Jun 19, 2013

derekimo said:
Just so there is some history here, you should mention your other thread about creating a one key recovery,

http://www.sevenforums.com/software/293059-how-convert-rar-iso-file-lenovo-okr7-0-engineering-3.html

Or have you abandoned that?

Hahaha

...well, i never really abandon the OKR7.0. Managed to get it to work...sort off

It managed to create OEM_PARTITION. But then, for some reason, i cannot get OKR7.0 to create the recovery image of the C drive in the OEM_PARTITION.

After searching through the Lenovo forum, this thread shows one possible reason why this might happen. This maybe due to the 100MB MBR. Here, OKR7.0 might have indeed create the recovery image of the 100MB MBR instead of the C Drive. The thread goes on to suggest creating two partitions - one for the OS in C Drive. This way, Windows 7 can lump the 100MB MBR into C Drive.
Z580 - Win8 OEM to Win7 with OneKey Functionality - Lenovo Community

2013-06-19 12_10_03-Z580 - Win8 OEM to Win7 with OneKey Functionality - Lenovo Community.png

This may explain why nothing is created in the OEM_partition.

2013-06-19 12_12_36-273146-how-lump-100mb-system-reserved-partition-part-c-drive-disk-management.png

Furthermore, on another thread, it seems there is a correlation between creating two partitions (C and D) to actually have OKR7.0 to work ~ i.e.; create the recovery image in the OEM_PARTITION.
http://forums.lenovo.com/t5/Lenovo-...and-OneKey-Recovery-Feature/td-p/8036/page/38

Hence, my problem maybe due to having only 1 partition being C. But then, think about it. Why create 2 partitions (C & D) on a 120GB SSD????

I don't know whether creating two partitions will make the OKR7.0 to work...but then, having come so far....there is nothing to lose.

gregrocker · Jun 19, 2013

One Key Recover is to recover to factory condition which is a corrupt install to begin with, the worst possible install of Win7 one can have. So instead of investing time trying to rearrange the deck chairs on the Titanic on a cruise no tech enthusiast would take, why not get the best possible install one can have of Win7 following the steps to Clean Reinstall - Factory OEM Windows 7.

During reinstall I would delete all partitions to create new as you please, preferably one large partition (ignoring the System Reserved) unless you want data on another partition to keep C smaller for imaging purposes.

cheesum · Jun 19, 2013

Hi - on a separate matter, if i want to create 2x partitions on my 120GB INtel SSD (usable space is 112GB) what is the magic number for the size of each partition? What is the best size split btw. partition C & D ????

Just a rough idea...please advice....
Partition C: Windows + Windows update + Drivers (about 40GB)
Partition D: Software...(52GB)
Unallocated partition: 20GB
What you guys think of the size split?

Hence, when doing a fresh installation of Win#7, i just need to create 2x partitions. Here, Windows 7 will load the 100MB MBR into partition C. Am i correct?

Thanks.

jimbo45 · Jun 19, 2013

AddRAM said:
If you create a partition to install windows on, you will never get the 100 MB System Reserved partition. But, it`s nothing to worry about.

Hi there
Not quite true - but almost.

The only time you can avoid creating this partition is if you allocate the WHOLE HDD / SSD to "C" before installing Windows -- if you have any other partitions then Windows will always create the 100 MB partition.

After you've created your Windows system you can then use something like Partition Wizard (Free) to re-size the "C" partition if you've installed on to a large HDD.

It's not necessary to avoid creating the windows system partition - but I can understand why some people might want to do it -- then they just have to backup the "C" image instead of the system partition too.

On restore also when you restore the system Partition it must be the ACTIVE partition or your system won't boot. Set the "C" partition to PRIMARY.

I can see people just preferring to have a single partition so they don't have to worry about any of this on backup / restore of their images.

Remember also with things like GPT disks etc other considerations will apply in future.

Cheers
jimbo

Golden · Jun 19, 2013

Deleting the System Reserved partition is straightforward - just delete it and merge the unallocated space to C: using your favourite partitioning tool..........but only after you have copied over the bootmanger to C: using these very simple steps:

http://www.sevenforums.com/tutorials/209885-bootmgr-move-c-easybcd.html

DavidE · Jun 19, 2013

jimbo45 said:
AddRAM said:

If you create a partition to install windows on, you will never get the 100 MB System Reserved partition. But, it`s nothing to worry about.

Click to expand...

The only time you can avoid creating this partition is if you allocate the WHOLE HDD / SSD to "C" before installing Windows -- if you have any other partitions then Windows will always create the 100 MB partition.

I "pre partiton" a HD with multiple partitions before installing the OS.
I've never had Windows create the 100MB System Reserved partition, when multiple partitions already exist.

XweAponX · Jun 19, 2013

Golden said:
Deleting the System Reserved partition is straightforward - just delete it and merge the unallocated space to C: using your favourite partitioning tool..........but only after you have copied over the bootmanger to C: using these very simple steps:

http://www.sevenforums.com/tutorials/209885-bootmgr-move-c-easybcd.html

Golden, that's right, I only figured that out a little while ago. I use Windows 7 Manager to move the boot manager over to C.

XweAponX · Jun 19, 2013

derekimo said:
Just so there is some history here, you should mention your other thread about creating a one key recovery,

http://www.sevenforums.com/software/293059-how-convert-rar-iso-file-lenovo-okr7-0-engineering-3.html

Or have you abandoned that?

Actually, just re-name the RAR file as an ISO file. Or the reverse. I've done this a million times, they are practically identical, and ISO is an uncompressed RAR file, or, a compressed one, if the ISO image has been compressed to make a Gigabyte of space fit onto a CD image.

that way you can just burn whatever RAR you have after changing the RAR to ISO.

cheesum · Jun 19, 2013

cheesum said:
Hi - on a separate matter, if i want to create 2x partitions on my 120GB INtel SSD (usable space is 112GB) what is the magic number for the size of each partition? What is the best size split btw. partition C & D ????

Just a rough idea...please advice....
Partition C: Windows + Windows update + Drivers (about 40GB)
Partition D: Software...(52GB)
Unallocated partition: 20GB
What you guys think of the size split?

Hence, when doing a fresh installation of Win#7, i just need to create 2x partitions. Here, Windows 7 will load the 100MB MBR into partition C. Am i correct?

Thanks.

Hi - any feedback on the magic number for the best partition size for both C and D on a 120GB SSD?

lehnerus2000 · Jun 19, 2013

Weird

jimbo45 said:
AddRAM said:

If you create a partition to install windows on, you will never get the 100 MB System Reserved partition. But, it`s nothing to worry about.

Click to expand...

The only time you can avoid creating this partition is if you allocate the WHOLE HDD / SSD to "C" before installing Windows -- if you have any other partitions then Windows will always create the 100 MB partition.

That 's not my experience.
In fact my experience is the exact opposite (i.e. just like DavidW7ncus's).

If my drive is empty (i.e. not partitioned and formatted) I always get the 100 MB partition.
My VMs all have that 100 MB partition (since pre-partitioning VHDs is a pain, I just let Windows install to the entire VHD as it sees fit).

I always pre-partition and format my physical HDDs, before installing any operating systems.
I never get that 100 MB partition on any HDDs I've pre-partitioned and formatted.

cheesum · Jun 19, 2013

Hi guys...also, need some advice on something else.
Please refer to this link.
http://www.sevenforums.com/performa...play-itself-onto-full-screen.html#post2439728

gregrocker · Jun 19, 2013

XweAponX said:
Golden said:

Deleting the System Reserved partition is straightforward - just delete it and merge the unallocated space to C: using your favourite partitioning tool..........but only after you have copied over the bootmanger to C: using these very simple steps:

http://www.sevenforums.com/tutorials/209885-bootmgr-move-c-easybcd.html

Click to expand...

Golden, that's right, I only figured that out a little while ago. I use Windows 7 Manager to move the boot manager over to C.

I would not use 3rd party tools or line commands to move the boot files because these do not complete the job.

Since before Win7 was released the procedure developed here is to Mark Partition C Active (converting first to Primary if it's Logical so it will accept the Active flag) and then run Startup Repair - Run up to 3 Separate Times.

Anything less will not complete the job. The OS may boot from C but it will lose the Repair console link on F8 Advanced Boot Options which is not a Best Practice and sloppy work.

whs · Jun 19, 2013

Please correct me if i am wrong here. Do you mean if we create 2x primary partitions (C & D drive) and install Windows to C Drive, hence Windows will automatically install the 100MB System Reserved partition to C Drive. Is this correct?

This is not quite correct:

1. Your predefined C partition must also be active. Simple primary alone will not do.
2. Windows will not install the 100MB partition on C. It will install the bootmgr on C - thus the 100MB partition is no more needed and will not be generated.

But if you have an installation with the 100MB partition, you can just move the bootmgr to C ( http://www.sevenforums.com/tutorials/209885-bootmgr-move-c-easybcd.html ). Then the 100MB partition becomes irrelevant and you can do with it what you want.

How to lump the 100MB system reserved partition as part of C Drive?

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