The Windows disk partitioning and management utility; can be used to assign drive letters and create, delete, format, and resize partitions.

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My new internal hard disk doesn't appear in Disk Management, but BIOS and Device Manager recognize it

I just connected the new disk to the motherboard and started the computer. BIOS has listed the new and old disks. Then I went to Disk Management to format it, but it doesn't appear. But I can see it ...
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1answer
912 views

Windows 8 does not recognize DVD drive

I have recently installed Windows 8 Enterprise edition on my Lenovo Z580 laptop. After I have mounted an ISO image to install Visual Studio 2012 by Hyper-V, my DVD-drive disappeared. I unmounted and ...
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4answers
242 views

I want to split my (C:) into two volumes, install win8 on the new volume. Is it possible?

I have win7 installed on my main drive (450~ GB). Is it possible to split it without ruining the HDD? Right now I'm running Computer Management to actually do the deed, but some things seem weird. ...
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3answers
18k views

Unable to format disk: 'The system cannot find the file specified'

I have a USB flash drive, which I may have mucked up, so I used DISKPART's CLEAN to clean it up. I created a simple volume, and tried to format it. (This is all using Windows' disk management.) I was ...
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1answer
635 views

Can't open drive marked as System in Disk Management in W7

Reinstalled Windows 7 64bit recently on my new HDD. Now one of my drives I use as storage is marked with status "Healthy (System, Active, Primary Partition)" and I can't open it to view the contents ...
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3answers
2k views

How to fix a Corrupted USB

My USB stick has suddenly stopped working. It's a Busbi 4GB. My USB used to be G:/ but as soon as I plugged it in, I used to get a pop up box showing that it was plugged in. Now, when I plug this in, ...
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2answers
65 views

Can I change a disk from drive to mounted?

I added a disk to a W2K8R2 machine, and gave it a drive letter: X I want to change that, and mount it as a folder now. Is that even possible? How?
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1k views

Two System Reserved Partitions after clean install on new drives

I just did a clean install of Windows 7 on a pair of SSDs (RAID 0) and was going to clear out my old HDD when I saw I have two system reserved partitions: AFAIK I'm booting from Disk 1 (BIOS says ...
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1answer
393 views

partitions lost drive letters in windows 7

i have following problem with my HDD in my laptop, i have win 7 my partitions are gone hide and not visible in my computer, when i try to look them in disk management the partitions which are hidden ...
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1answer
7k views

Windows 7 system reserved drive autorun popup

I have several drives attached to a 64-bit Windows 7 Professional machine. In the last week, I am getting repeated, constant autorun popups for a new drive, with the label 'System reserved'. Before I ...
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1answer
779 views

Use Volume label rather than drive letter

My home system changes quite often, particularly, drive letters get reassigned. e.g. My large volume of music is on (Neptune) K:\music. That's where Windows media player expects it, today. Is there ...
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1answer
280 views

What do the icons in Windows Disk Management mean?

i have three hard drives (and one DVD-ROM drive) in my Windows Server 2003 machine: For some reason, Windows Disk Management seems to think i have four hard disks (and one DVD-ROM drive). The ...
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1answer
446 views

Added extra SATA 6Gbit/s SSD drive, Windows 7 doesn't detect device, USB 3.0 device now runs slow

Added in an extra SATA 6Gbit/s SSD drive to my Windows 7 machine. Now two 6G/s SSDs - main one 64GB and this new 256GB. BIOS can see both. However when I run Windows 7 disk management tool it doesn't ...
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4answers
197 views

Extending fourth extended partition to occupy more space

I've got four partitions on my 250GB hard drive: (primary /dev/sda1, NTFS) Windows 7 Recovery partition (17.05 GB) (primary /dev/sda2, NTFS) Windows 7 Boot Menu (100 MB) (primary /dev/sda3, NTFS) ...
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0answers
191 views

How to get external 2.5 inch HD enclosure recognised

I am completely out of ideas. I have 2.5inch HDD from my old laptop, I have tried with 2 different HDD enclosures but my desktop does not recognize it. Not even showing in the disk management or ...
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1answer
9k views

windows 8 on external drive: how to make a volume bootable?

I want to install Windows 8 Release preview on an external drive. When I selected a partition from my external HD, it displayed Windows cannot be installed to this disk. Setup does not support ...
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2answers
769 views

What happens if an external hard drive that is part of a set of spanned discs in windows is powered off?

Does anyone know what would happen if an external hard drive that was part of a set of spanned discs was powered off whilst the computer was running? Also what would happen if it was turned off before ...
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1answer
1k views

How can I stop Windows changing order of physical disks at every reboot?

I have to use some physical disks in a Linux machine virtualized with Virtualbox in a Windows 7 host environment but the order of physical disks keeps changing at every reboot and I must reconfigure ...
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2answers
271 views

Why do partition managers need their own drivers?

Why do so many partition management tools, like EASEUS Partition Master, Acronis Disk Director, etc. require their own drivers in order to run? In other words, what do they need to do that cannot be ...
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1answer
380 views

Windows 7 keep renaming my drive to a different letter when I have my external hard drive plugged in

I have 2 external hard drives. Both are 2 TB and I connect them with Firewire 800. I boot Windows 7 in Boot Camp on MacBook Pro so I have 2 partitions on my hard drive. One is my Windows partition ...
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1answer
90 views

Which takes more time: Shrinking or Expanding a partition in Windows 7?

Which takes more time to do (given that all other hardware are the same), shrinking or expanding a partition and why? This is using the Disk Management utility within Windows 7. I have no idea ...
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1answer
118 views

Is It Safe to Unmount Disk 1 Debian Linux From Disk 0 Windows 7

Background: I have an Asus P67 Sabertooth motherboard. The motherboard supports 6GB SATA. I have two 1TB Western Digital Caviar Black 64MB Cache SATA Drives. I have a Plextor PX-880SA CD/DVD ...
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1answer
1k views

External usb harddrive appears in disk managment but can't assign drive letter

I have a small nas from iomega. Two drives 500 gb each. This one. The two harddrives in the enclosure were configured in a mirror with the iomega software that came with product. It worked for a ...
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1answer
221 views

Problem with formating an unformatted partition

I'd like to format my black unformatted partition into another NTFS-partition, but it seems like it's not possible format it as I'd like to. If I use diskmgmt.msc, it says: will be formatted into ...
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4answers
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Enlarge a partition without losing data with Windows 7 diskmgmt?

I have a 320GB hard drive currently partitioned as below: A long time ago, a computer expert formatted my hard drive like this because I wanted to install Ubuntu. I'm now ready to do this, but ...
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1answer
152 views

Small, Empty Partition

I was installing Gentoo when I ran into out-of-room errors, so I had to go back into Windows to do some partition resizing. In the Disk Management tool, I noticed that there is a small, empty ...
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2answers
2k views

Cannot initialize disk

I have a drive which has no bad sectors, and when I control panel/computer management/disk management (in Windows 7) it reports as not initialized. When I attempt to initialize, it says that the ...
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3answers
4k views

Restoring ASR/Disk Utility NTFS image on OS X

I used the OS X (10.6.7) Disk Utility to make an image of an NTFS partition/volume. The resulting DMG file was imagescanned. Now, when I come to try to restore the image to a new partition on the ...
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4answers
12k views

Disk Management problem; “ The service cannot be started,”

I am trying to shrink a volume on Windows 7 Professional using Disk Management but get the following error: Virtual Disk Manager The service cannot be started, either because it is disabled ...
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3answers
2k views

Changing CD-ROM/DVD-ROM Drive Letter from D: to E:

I read this, but it doesn't address one question I've had about this (I'd comment on it, but my rep isn't high enough): When changing the ODD Drive Letter from D: to E:, I get this message in Windows ...
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2answers
5k views

System Reserved partition no longer marked as System

I recently posted a question to Super User about accidentally marking my external HDD's partition as Active and how I could undo my accidental mistake. I followed the instructions provided and they ...
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2answers
9k views

How can I unmark an external hard drive partition as being active?

I accidentally marked my external hard drive partition as active in disk management. I meant to change the drive letter but hit the wrong button. Whoops. What are the consequences of having done that ...
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1answer
2k views

“New Partition” option disabled in Disk Management - Can't create new partition on new hard drive

I need some help creating a new partition in a new hard drive. I'm running WinXP. I know I can only create up to 4 partitions. I have created 4 partitions before, but the hard drive of two of those ...
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1answer
118 views

Trying to remove Windows from my boot disk…?

I had Windows XP installed happily on my C drive until I decided to upgrade to Windows 7 via an upgrade to Windows Vista. However, something went wrong on the second step with the install to Windows ...
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4answers
161 views

Software RAID for several HDs which retains files on each HD

Is there some kind of software/driver that would enable me to create one big volume out of several hard disks but retain the file structure on each HD? This would be in case where one hard disk ...
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2answers
3k views

Extend Windows 7 partition to use free space before it

I have some unallocated space before my Windows 7 partition. Can I move the Windows 7 partition so that the free space is after it instead than before it, and then extend the partition to use all ...
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2answers
3k views

Phantom Local Disks appearing in my drive list

I seem to have several phantom Local Disks mapped to different letters that are of 0 bytes in size. Strangely, they do not show up when I view my drives through Windows Explorer. But if I open an ...
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1answer
147 views

Disabling partition just for one OS on multi-boot system

Regarding to the solution there: http://serverfault.com/questions/36385/how-can-i-mount-a-hard-drive-as-read-only-on-windows-xp I have a system with three partitions. One runs windows 7, one runs ...
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8answers
58k views

How do I split the system partition (C:) in Windows7 without creating a dynamic drive?

I just recieved a new laptop, and for some reason the manufacturer decided that one great C: drive and no other (user available) partitions was the way to go. I would like to have two partitions - one ...
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1answer
703 views

Volume on spare drive marked as system partition

I have an odd situation. I have 2 drives in my computer running Vista, the OS drive (C:, E:) and a storage drive (D:). In Disk Management the C: volume is listed as the boot partition and has all of ...
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3answers
9k views

Converting dynamic to basic disk

I converted basic disk to dynamic on my laptop. However, now I cannot install Windows 7 on another partition. I just get message that installing them on dynamic disk is not supported. Is there a way ...
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2answers
3k views

Why can't I format a 10 GB partition in Windows 7?

I had Ubuntu installed in a 10 GB partition of a 120 GB hard drive on my laptop. I then installed Windows 7 on the 110 GB partition. Now inside Windows 7, I want to reformat the 10 GB partition and ...