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Windows 7: Format Unallocated partition with error popup

25 Oct 2011   #1

Wndows 7 Home Basic
Format Unallocated partition with error popup

Bought a new del inspiron netbook, preinstalled win7 x64.
Single hard Drive of 290 GB space, so i thought to give a partition as I prefer to work on D drive as most of the program files are loaded in C drive.
After a creating an unallocated space of 130 GB by shrinking of C drive, I am stuck. While doing the formating by new volume wizard, it gave a warning of drive becoming to dynamic, whether you want to go. then I stopped for a while and started some googling. In many cases i found that win7 allows max 4 dik partition which I already have after checking the disk management program. My Disk 0 consists of:
39 MB (OEM Partition)
5 GB (Primary Partition)
13.35 GB (Recovery)
148.65 GB (C drive afte I shrink it to crate a new drive)
131.06 (Unalocated)
In that as I have already 4 partition already in place, so is it that i may not be allowed for another drive like spiliting c drive in C and D???
If I coudn't crate a new drive as above, how then i do with the unallocate partition. Can it be included in C as before.
waiting for your reply.

Best Regards

My System SpecsSystem Spec
25 Oct 2011   #2

Dual Boot: Windows 8.1 & Server 2012r2 VMs: Kali Linux, Backbox, Matriux, Windows 8.1

Welcome, can you fill out your specs in the bottom left hand side of your post? Or you can edit them in your User CP.

You can only create 4 primary partitions on each HDD you have. This means if you want a to make a new partition you need to combine or delete another partition to make a new primary partition.

You also have the option to create 3 primary partition and 1 extended partition, then you can create as many logical drives as you want. Downside is logical drives aren't bootable without a specific program.

Here is a few links that may help you:
Partition or Volume - Extend
Partition / Extended : Logical Drives

Make sure you backup everything before you repartition anything.
My System SpecsSystem Spec
25 Oct 2011   #3

Windows 7 Professional SP1 32-bit

Just to clarify: the limit of 4 primary partitions has nothing to do with filesystems, but is due to the MBR scheme, which was designed eons ago in the "640KB RAM ought to be enough for anybody" age. Which is why nowadays you have the choice to use GPT on harddisks instead.

Could you post a screenshot of your Disk Management window please? It seems unusual that you have a 5GB primary partition without a volume label or any obvious clue as to its content. It wouldn't normally be there.
My System SpecsSystem Spec

28 Oct 2011   #4

Wndows 7 Home Basic

First thank you both for your reply and sorry for little bit late reply.

Now with out having any option I have back to square one after I extended my C drive which takes the unallocated location. This gives the 4 drive/partition that I have got from the manufacturer installed system.
I have mainly x64 windows home & basic and my program files consist of two types of program folder under c drive, i.e. program files and program files (x64). I believe my system has the capability of running both x64 & x86 compatible programmes.

Disk Management window snap is enclosed, now best i can is waiting for your reply.

Best regards

Attached Files
File Type: pdf diskmgmt snap.pdf (111.9 KB, 38 views)
My System SpecsSystem Spec
28 Oct 2011   #5
Microsoft MVP


Please use the Snipping Tool in Start Menu for a rectangular snip of the maximized Disk Mgmt window, then attach file directly using paper clip without changing anything. It is unreadable here.

Most Dells have a Tools partition with Dell Diagnostics which can be run from boot, a Dell Recovery partition, a System reserved partition and the OS partition. We can help you convert the OS partition to Logical so that as many Logical partitions as you wish can subsequently be added. I would not delete any others and certainly NOT convert to Dynamic which is meant for partitions which span multiple HD's.

What disks did Dell provide you? If no Recovery Disks, make them now: Creating Your System Recovery Discs with Dell DataSafe Local Backup 2.0
Burn also a Win7 Repair CD:
System Repair Disc - Create
If you are happy with your Win7 installation, back up externally an image of it now along with your files: Backup Complete Computer - Create an Image Backup
Backup User and System Files
My System SpecsSystem Spec
28 Oct 2011   #6

Ubuntu 12.10

Make recovery discs, then delete the Recovery partition. There, problem solved. Also, what is that 39MB OEM Partition for?
My System SpecsSystem Spec
28 Oct 2011   #7

Windows 7 Ultimate SP1 64-Bit

Quote   Quote: Originally Posted by SlasherIT View Post
Make recovery discs, then delete the Recovery partition. There, problem solved. Also, what is that 39MB OEM Partition for?
It holds the data for Dell's diagnostic tools, which you can select on startup.
My System SpecsSystem Spec
28 Oct 2011   #8

Ubuntu 12.10

I would personally remove that, as I use an Ubuntu Live CD for performing diagnostics, but it the OP doesn't want to then I understand. OP, do what I said in my previous post :).
My System SpecsSystem Spec
29 Oct 2011   #9

Wndows 7 Home Basic

Thanks every one for your reply!!

One by one i will reply:


First, I am running Windows7 Home & Basic, so I think the snipping tool is not installed. Therfore, I attach the word file, that i think very legible, (may be little bit drag is required to zoom it)

I am in favour of not deleting my drives as I am not very expert in computer background management. I only can strictly follow your instruction and guidance. if deleting some drive cause some problem in booting up the system, i will be in mess. Because calling for servicing from manufacturer takes time here in India, even today. i will look forward simple solution to split my C drive into say 1 or 2 drives will serve my purpose.

Yes, I have dell data safe local back up pre installed in my note book. just to describe little bit it has 3 back ups type
1. System recovery disk to back up factory software
2. System back up to restore entire system
3. back up of folders & files

I think you are mostly talking of 1 and 2. can it back my windows 7 also so that after system crash, i can reinstall windows 7 from the backed file. though i ahave a windows 7 cd with my with the net book.
Win 7 repair cd is ok
your third point to take back up of the image of win 7 installation is ok, i think dell safe back up then probably can not back up win7 installation. Is it right.


can you tell me what 13.35 GB recovery drive of dell system does? when and how it come in to play. Is deleting a factory installed drive is adviceble when some one using the system is not expert.

Thanks any way to all, i have never thought of so many responses.

Attached Files
File Type: docx disk management snap.docx (116.2 KB, 3 views)
My System SpecsSystem Spec
29 Oct 2011   #10

Ubuntu 12.10


That recovery partition contains the "dell data safe local back up". When you make the recovery discs, it puts that "dell data safe local back up" into CD/DVD's, so you can delete the Recovery partition and still be able to recover back to factory settings. Now, did you make the recovery discs or not? If you did, just delete the Recovery partition than you will be able to make a new partition... And if any problems occur, you can just restore your computer from the recovery disks.

My System SpecsSystem Spec

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