Win8 system when swapping win7 system "Windows cannot install to this disk. The selected disk uses the GPT partition form "solution

Now the WIN8 disk is generally used GPT partition, GPT is a new partition, there are many advantages, so now the new WIN8 system is the GPT partition, and Win7 also uses the old MBR partition, and only support the MBR partition form, Therefore, in the pre-installed WIN8 computer to change Win7 need to first convert the disk format to MBR. Here's how:
Simple way, still installed WIN8 system, or the conversion disk partition format for MBR, without any software can be implemented, need to rebuild the partition table, will delete the entire disk partition, remember to back up the data in advance.
1. Use Win7 CD or USB stick to boot, enter the system installation interface.
2. Press SHIFT + F10 to open the command prompt.
3. Enter "Diskpart" (do not enter quotation marks, the same below), press ENTER to enter the interface.
4. Enter: "List disk" to view the disk information. Note the disk capacity to select. The bulk Disk 0 is the hard drive, and the small disk 1 is the USB drive for Win7 installation.
5. Enter: "Select Disk 0", select Disk 0 for the current operation of the disks;
6. Enter: "Clean" to empty the current disk partition. (delete partition)
7. Enter: "Convert MBR" to convert the GPT disk partition form to the MBR partition.
8. When the operation is complete, close this Command prompt window and continue to install the Win7 system as normal.

Win8 system when swapping win7 system "Windows cannot install to this disk. The selected disk uses the GPT partition form "solution