How to delete dual system on C drive! does not affect other disks .

1.Reinstall the system with XP, just format the C drive.

2.If you leave win xp, delete winnt in c drive, if you leave 2k, delete windows in c drive, and then delete the corresponding option in xp, leave xp, the file is.

boot loader]

timeout=30

default=multi(0)disk(0)rdisk(0)partition(1)\windows

operating systems]

multi(0)disk(0)rdisk(0)partition(1)\windows="microsoft windows xp professional" /fastdetect

If you leave 2k modifications"default="The latter ones will do.

Note: If you can't find the file, go to the top menu bar"tools"in one column"Folder options"Settings, select"Check", found in the advanced settings"Hide protected operating system files (recommended).", remove the front tick.

The things in msconfig will not be modified.

1. Definitely format your C drive.

2. A very important point: use sfdisk software to select Repair MBR

The second point can't be ignored, because you have a dual system, so you have to fix the mbr, which used to be used with the fdisk mbr command, but now it's graphical after using the sfdisk software

Step 1: Find the Windows XP folder and delete it;

Step 2: Right-click on "My Computer", select Properties, and then Advanced;

Step 3: Click Startup & Fault Recovery, select 2000 as the default operating system, and uncheck the box before "Show operating system list".

Step 4: Reboot and you're good to go.

Simple, right?

It seems that your C drive is very messy and needs to be sorted out urgently, but I am afraid that the system will hurt other things in the disk.

In fact, you only need to reinstall a system, if you install the system on the C disk, it will automatically prompt you to format the C disk when you install it, and it is only the format of the C disk, in the process of installing the system, it is not the entire hard disk format, but the format of the disk under which you install the system.

So don't worry about other things being innocently disappeared

Install it with a disc.

No need to go into DOS

Format the C drive.

Reinstall the system.

Delete one of the Windows folders, and that's it. As for the options at boot, there will be.

Just change it in DOS.

Reinstall the system with XP, just format the C drive.

You go to XP and run msconfig to startup and change it.

Then delete it.

You should be win7 system,Enter the folder shown in the screenshot,See what you don't want can be deleted,There's another way,It's to use the 360 security guard in the C disk to move,You can find the things that can be moved in your C disk,And then you want to move**Just move**,This method is better,You use this method first。

If you can't get it, install a 360 security guard, there is a C disk moving tool, in the 360 function options. It's safest to do that. And if you want to install dual systems in the future, try not to install them under the same partition.

Another way is that you can adjust the partition of the C drive, if you can't figure it out, find someone to help solve it, even if you get it to the computer to repair it, it won't cost much. Good luck!

1.If you want to leave win7 and delete win8, log in to your win7.

3.Enter msconfig in the run, and if you don't know it, you can look at the following **.

4.Open the tab boot in the pop-up management interface, here you will see two boot systems, set the system you want to keep as default, and then delete the other system.

5.The last step: turn on the computer, and format the disk where the system you want to delete is located, don't worry, format it directly, it will not have any impact on the current system.

The system disk expansion must be performed offline, as shown by diskgenius

You first right-click to expand the partition, and there are two functions to expand the partition: resize the partition and convert to the primary partition.

You can first pull out some free partitions from D, and then you can right-click on the C drive to pull the partition to large (merge the idle just now), or convert the idle to the primary partition and then merge the two primary partitions.

I'll take a rough screenshot of my disk for your reference.

As for deleting 8, prepare a system boot repair tool first, and then delete it directly in Disk Management under 7, and then repair the boot, because it is generally a high version boot and a low version, and deleting 8 may damage the boot.

Directly format the E disk win8 is gone.

To adjust the disk space, you can compress the D drive adjacent to the C drive in Disk Management, and then expand the space of the C drive to the volume.

In addition, a disk cleanup on the C drive can sometimes clear up more than a few gigabytes of space.

Hello,The dual system itself occupies a C disk,If you want to solve the problem completely,I suggest you use an empty U disk to install the next "Chinese cabbage U disk system" in DOS Select the U disk to start,Redo a system。 As for what you said it is impossible to increase the capacity without partitioning, it is recommended that you back up your important data in a USB flash drive and repartition it once and for all.