Partition C: in Windows systems is usually set as active partition by default while active partition in Linux is set according to specific setting. When the system is booted, operating system on active partition will perform drive image in order to assign drive letters to primary partitions and logical partitions.
This article shows how to setup your primary partition as active using the diskpart utility.
Jul 03, 2011 By default, system reserved partition is the active partition in Windows 7. Mark a partition as active. Changing active partition can make your system unbootable. Do not mark a partition as active if it does not contain the loader for an operating system. Doing so will cause your computer to stop working. The issue: active partition not found. An active partition is a partition on a hard drive which is set as the bootable partition and contains the operating system. Only one partition on each hard drive can be set as an active partition or bootable partition. If there is a problem with the active partition, your computer won’t boot successfully.
This how-to article applies for any of the following Windows versions: Windows XP, Vista, 7, 8 or 8.1
Contents
- 6 More Information
The following instructions are done through Command Prompt, which you can use if you can’t boot into Windows to set the partition as active.
However, you can use Disk Management if you can boot into Windows and do the necessary changes to your partition:
- Click Start
- Click Control Panel
- Click System and Security
- Click Administrative Tools
- Double-click Computer Management
- Click Disk Management under the Storage tab from the left
- Right-click on the partition you want to set as partition and click Mark Partition as Active
- Click Yes
Use diskpart from Easy Recovery Essentials
You can use Command Prompt from Easy Recovery Essentials and run the diskpart utility to make the necessary modifications to a partition:
- Burn the ISO Image. Follow our instructions on how to burn a bootable ISO image. If you’d like to have a recovery USB instead, follow our instructions on how to make a recovery USB.
- Boot Easy Recovery Essentials from the CD, DVD or USB
- Select Launch Command Line
Remove Active Partition
To download Easy Recovery Essentials, click here.
Set partition as active on Windows XP
In order to use diskpart and set your computer’s primary partition as active again, use your Windows XP installation disc to start Recovery Console.
Arcsoft print creations activation code full. If you don’t the original Windows XP CD, go to Use diskpart from Easy Recovery Essentials.
- Insert the Windows XP installation CD
- Restart the computer
- Press any key at the “Press any key” screen
- Press R at the Welcome to Setup screenWindows XP Press R for Recovery Console
- Type
1
to log into your Windows Installation and press Enter - After Recovery Console logged into the Windows Installation, type
diskpart
. Hit Enter to load the diskpart utility. - Type
list partition
, press Enter - Type
select partition X
, whereX
is your partition - Press Enter
- Type
active
and press Enter - Restart your computer
Set partition as active on Windows Vista
Marking a partition as active on Windows Vista systems follows the same steps as the steps for Windows 7 or Windows 8.
Make Partition Active
You need to use the original disc (Windows Vista install DVD) to access Command Prompt and run diskpart.
If you don’t the original Windows Vista DVD, go to Use diskpart from Easy Recovery Essentials.
- Insert the installation DVD and boot from it (press any key at the “Press any key” screen)
- Select the language and keyboard method and click NextWindows Vista Repair Your Computer Menu
- Click Repair your computer
- Click Command Prompt
- Once Command Prompt has loaded, type the following commands and press Enter after each:Where
0
is the disk listed by thelist disk
command. - Type:
- Press Enter
- Type:Where
1
is your partition. - Press Enter
- Type:
- Press Enter
Set partition as active on Windows 7
Active Partition Manager
![Error finding your systems active partition (read the readme file) Error finding your systems active partition (read the readme file)](https://i.ytimg.com/vi/lrikKEtUw_8/maxresdefault.jpg)
To set the primary partition to be active on your Windows 7 computer, follow these steps:
If you don’t the original Windows 7 DVD, go to Use diskpart from Easy Recovery Essentials. U torrant.
![Error Finding Your Systems Active Partition Error Finding Your Systems Active Partition](https://www.diskpart.com/windows-10/images/accidentally-deleted-boot-partition-windows-10/accidentally-deleted-system-reserved-partition-1.jpg)
- Insert the Windows 7 DVD
- Restart your computer
- Press any key to boot from the DVD
- At the Install Windows screen, either click Next and then Repair your computer or press the Shift and F10 keys to open Command Prompt.Windows 7 System Recovery Options Screen
- Once in Command Prompt, type these commands and press Enter after each:
- Type
select disk 0
, where0
is your computer’s disk that has the partition. - Press Enter
- Type
list partition
to have diskpart list all partition on the select disk and hit Enter to run the command - Type
select partition 1
, where1
is the number of the partition you want to set as active. Press Enter - Type
active
to mark the partition as active. Press Enter - Your partition is now active. Type
exit
, hit Enter and restart your computer.
Set partition as active on Windows 8
To set a primary partition as active on a Windows 8 system, follow these steps:
If you don’t the original Windows 8 DVD/USB, go to Use diskpart from Easy Recovery Essentials.
- Insert the Windows 8 or Windows 8.1 USB and boot form the media
- Click Repair your computer
- Click Troubleshoot
- Click Command Prompt
- When at Command Prompt, type these commands:
- Type
select disk 0
, replace0
with your computer’s primary disk - Type
list partition
- Type
select partition 1
, replace1
with the partition’s letter that you want to set as active - Type
active
- Type
exit
- You can restart your computer now
More Information
Linked Entries
Support Links
- Easy Recovery Essentials for Windows – our repair and recovery disk.
It’s an easy-to-use and automated diagnostics disk. It’s available for Windows 8, Windows 7 and Windows Vista. It’s also available for Windows XP and Windows Server.Read more at Windows Recovery Disks. - The NeoSmart Support Forums, member-to-member technical support and troubleshooting.
- Get a discounted price on replacement setup and installation discs: Windows XP, Windows Vista, Windows 7, Windows 8.
Applicable Systems
This Windows-related knowledgebase article applies to the following operating systems:
- Windows XP (all editions)
- Windows Vista (all editions)
- Windows 7 (all editions)
- Windows 8 (all editions)
- Windows 8.1 (all editions)
- At first, Press Win + R to open RUN.
- Now, Type diskmgmt.msc and hit Enter.
- It will open Windows Disk Management tool in new window. From there, You can see your system reserved drive. Put your mouse cursor on it. You will see, if it is the active partition or not.
- If it is your active partition, Just right click on it and choose “Change drive letter or paths”.
- Then, Click on add and assign it a letter.
- Now, Go to This PC / Computer / My Computer.
- Right click on the newly visible partition and choose properties.
- Uncheck “Compress this drive to save disk space” and click on Apply and OK.
- I hope, It will fix Disk Controller: The current active partition is compressed.
- At first, Open disk management like before.
- Right click on local disk C and choose Mark Partition as Active.
- At first, Perform clean boot.
- Then, Download Media Creation Tool.
- Now, Right click on media creation tool and choose Run as administrator.
- Then, Accept license and choose Upgrade this PC. Click on Next.
- If it doesn’t work, You can Download Windows ISO file and then create bootable USB or DVD.
- Then, Try to install it from boot menu. But don’t forget to format system reserved drive during installation. I recommend you to do clean installation.
Windows users may face some common issues while using it. They also may face different poblems while installing or upgrading windows operating system. Chess band parts pdf. Recently, Many peoples around the world have noticed an issue “Disk Controller: The current active partition is compressed“. In fact, This is not a major issue. You can easily resolve it.
Normally, You can’t install windows when you have an active compressed partition. If you try it, You will get error. You may get two different error messages which depend on situations.
During installation of windows, You may see following message –
Windows can’t be installed because This PC uses a compressed operating system.
When you try to upgrade or install, Installation wizard or upgrade assistant may show you following message –
Disk Controller: The current active partition is compressed
How to Fix The Current Active Partition is Compressed While Installing Windows
Actually, This is very easy to fix. You can just uncompress your active partition. There are also other methods that may work. Here, I’m explaining how you can fix the current active partition is compressed.
Uncompress System Reserved Drive:
Windows 10 may use a small portion of your hard disk or SSD as system reserved drive. It is actually the active partition. Sometimes, It may not have a dedicated system reserved drive. It may use your primary partition as active partition. In fact, This partition contains all necessary stuffs to boot and run windows. To get rid of the problem we are discussing, You will have to uncompress this partition. Before that, You will have to find out which is your active partition. Here are the full instructions.
Note: If you have no system reserved drive, Your system partition should be the active partition. In that case, You will have to uncompress it (Typically Local Disk C).
Uncompress System Drive to Fix Windows Can’t Be Installed Because This PC Uses a Compressed Operating System
Normally, Local disk C is where we install windows or any OS. It is considered as system partition. You may face similar problems, If it is compressed. So, Uncompress it like before. In this case, You won’t need to assign letter from disk management as it is normally visible in this PC.
Change Active Partition:
In fact, First two methods are enough to fix the current active partition is compressed. In case, These don’t work, You can change your active partition and try to install or upgrade windows. You will be successful as it won’t show you active partition is compressed error message.
Run chkdsk Command:
One piece full war marineford sub indo. You also can try this. Just open Command Prompt as administrator. If you are on Windows 10 or 8, Right click on start and choose Command Prompt (Admin). Then Run the following command.
chkdsk.exe /f /r
Install or Upgrade Manually to Fix The Current Active Partition is Compressed:
If you really need to install or upgrade windows, I would like to suggest these things.
Note: Before doing clean installation, You can backup windows image.
Anglo chinese manual of the amoy dialectical thinking. I hope, Above methods will “fix the current active partition is compressed”. You can add any additional ideas that may resolve this issue in comment box.