Windows 7 Forums
Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.



Windows 7: C drive missing from Disck Management

20 Jun 2010   #1

Windows 7 Ultimate 64 bit
 
 
C drive missing from Disk Management

Hey guys,

I don't know what happend just know.
I installed Linux Ubuntu on a separate hdd of mine and when I was done I removed it and reinserted my Windows 7 HDD. The boot manager was missing so I did a repair with my Windows 7 disc.

All went well but now my Local C drive is missing(Windows 7 is installed on it) from disk management. The two partitions still show in My Computer as "C" and "D"(the two partitions are on the same HDD).
Drive "S" is my storage drive, it comes up in disk management, but why not my other HDD. Keep in mind the drive with linux on is no longer plugged in.
The drives are connecte to the same sata ports as originaly.

Last question, why is the system reserve (drive "F") now suddenly showing in my computer, it was never there, I would like to "hide" again.

Plz help. Im freaking out a little.

I attached screen shots aswell:



Attached Thumbnails
C drive missing from Disck Management-1.png   C drive missing from Disck Management-2.png  
My System SpecsSystem Spec
20 Jun 2010   #2
Microsoft MVP

 

Your S Storage drive has had the System active MBR written to it when you ran Repair. You should have only had the Windows 7 HD plugged in at the time.

Unplug all other HD's, plug in Windows 7 HD, boot Windows 7 DVD Repair console or Repair CD, mark Windows 7 partition active using Diskpart commands give below from Command Line, then click through to Recovery Tools list to run Startup Repair up to 3 separate times with reboots until Windows 7 starts.

Partition - Mark as Active

Once Windows 7 starts, you can plug back the other HD's making sure Windows 7 is first HD to boot in BIOS setup, but boot into DVD or Repair CD and use Diskpart to mark S "Inactive" so it doesn't interfere.

This will write out the System Reserved partition. It may have been compromised by GRUB and was likely overridden by the Repair you ran which wrote the MBR to S. If you want it to continue booting Windows 7 via SysReserved, then first try marking it Active and running Startup Repair x3 instead of Windows 7 partition. If it won't start, then recover MBR into Windows 7 partition as given and later delete SysReserved.
My System SpecsSystem Spec
20 Jun 2010   #3

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

type cmd in start search box.

When the black box pops up, click it, then type


diskpart
(press enter )

lis disk
(press enter)

lis vol
(press enter)

make a note of what it says - or post a screenie

exi
(to leave diskpart)

close cmd prompt.
My System SpecsSystem Spec
.


20 Jun 2010   #4

Windows 7 Ultimate x64, XP Mode, W8.1 Preview VM - 7 Pro x64 second remote tower
 
 

The answer there is quite simple actually. When swapping drives out the S drive for storage became HD0 as seen in the first image you have there and now sees the mbr and boot information likely the default boot device as well.

When reinstalling the 7 host drive and found it unbootable that was due to the storage still being automatically set as default in the bios. The upgrade repair install placed the 7 boot info on the S drive and apparently hid C not the 100mb system reserved partition apparently.

One thing to take a look at is the bios setup to which drive is on the top of the hard drive list as well as a look at the root of the S drive to see if any 7 boot files are present.

At other times however a loose plug in the sata port or problem with the data cable itself can explain why a drive will seemingly disappear. I had that problem at times with one of the storage drives until a new build saw all new cables used there.
My System SpecsSystem Spec
20 Jun 2010   #5

Windows 7 Ultimate 64 bit
 
 

@ SIW2 here is the screen shot(done within Win 7) it shows the S and E drive but not my main HDD with partitions C D & F. However if I disconnect drive S and insert my Windows 7 disc and to a repair install and all that jazz as instructed by gregrocker I can see my main HDD with the partitions C D and F(system reserve) when entering diskpart, the pc boots fine no problem, the HDD with partitions C D & F aint showing in "Disk Manegement" how ever it does in My Computer, see my first post.

I aslo ran a cmd promt within Windows 7 while the S drive was disconnected, it then tells me now drives are online but I can still access them through my comp.


Attached Images
 
My System SpecsSystem Spec
20 Jun 2010   #6

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

Not sure what you mean.

Can you now see all the partitions on both HD's in Diskpart, but they are still not showing in Disk Management ?
My System SpecsSystem Spec
20 Jun 2010   #7
Microsoft MVP

 

Is you computer booting now with only the Windows 7 HD connected?
My System SpecsSystem Spec
21 Jun 2010   #8

Windows 7 Ultimate 64 bit
 
 

Ok so here what's happening so far:
-My Windows 7 is booting perfectly fine with ONLY the Main HD connected(2 partitions = C & D + system reserved)
-It also boots fine with my S drive connected (storage drive), I formatted the S drive so there are defenitly NO boot files on it, I double checked with FolderSizes.
-FolderSizes also indicates that all the boot files are located on the "C" drive.

NOW:
-Everthing is working fine as it was before except fot the fact that my Windows 7 hdd with partitions C & D are not showing in disk mangr and also NOT in diskpart(see screenshot below) I also typed in list vol. this was done without the S drive connected.
-However, if the S drive IS connected then I can see something in disk part(see screen shot)

Appart from all this, why is the system reserved showing in My Computer?
Can it be hidden again?

Tnx allot for all the help


Attached Thumbnails
C drive missing from Disck Management-s-drive-connected.jpg   C drive missing from Disck Management-without-s-drive-connected.jpg  
My System SpecsSystem Spec
21 Jun 2010   #9

Windows 7 Ultimate 64 bit
 
 

Anyone with any suggestions, do I need to be worried about the missing HDD or not?

Tnx
My System SpecsSystem Spec
21 Jun 2010   #10

Vista 64 Ultimate, Windows 7 64 Ultimate, Ubuntu 9.10
 
 

Quote   Quote: Originally Posted by stomper View Post
Ok so here what's happening so far:
-My Windows 7 is booting perfectly fine with ONLY the Main HD connected(2 partitions = C & D + system reserved)
-It also boots fine with my S drive connected (storage drive), I formatted the S drive so there are defenitly NO boot files on it, I double checked with FolderSizes.
-FolderSizes also indicates that all the boot files are located on the "C" drive.

NOW:
-Everthing is working fine as it was before except fot the fact that my Windows 7 hdd with partitions C & D are not showing in disk mangr and also NOT in diskpart(see screenshot below) I also typed in list vol. this was done without the S drive connected.
-However, if the S drive IS connected then I can see something in disk part(see screen shot)

Appart from all this, why is the system reserved showing in My Computer?
Can it be hidden again?

Tnx allot for all the help
If you read J King's Tutorial on how to Activate a Partition Partition - Mark as Active you should be able to deactivate the one you wish to be hidden.

As far as your C: drive is concerned, I wonder if when you deleted things the MBR for Ubuntu got corrupted, I had this happen when a drive I had to RMA was not working right and I removed Ubuntu then running Repair brought back Ubuntu (would not boot was just the boot sector) and an earlier version of Windows 7 Home (same as Ubuntu).
My System SpecsSystem Spec
Reply

 C drive missing from Disck Management





Thread Tools



Similar help and support threads for2: C drive missing from Disck Management
Thread Forum
Solved Missing Hard Drive Space After Using Windows 7 Disk Management Tool Hardware & Devices
Solved Missing drive letter in Windows 7 Disk Management Hardware & Devices
My driver disck stopped read empty cds/dvs Hardware & Devices
Computer Management - Missing the Properties Menu Network & Sharing
Solved udf format on DVD disck. Music, Pictures & Video
Why is Printer Management missing in Win 7 Home Premium? Hardware & Devices
Disk Management - chg drive letter-disconnected drive General Discussion

Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 02:44 AM.
Twitter Facebook Google+



Windows 7 Forums

Seven Forums Android App Seven Forums IOS App
  

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33