I was in the process of installing the new released Windows 8, and this pops up telling me that I cannot install Windows 8 on the selected disk.
Windows cannot be installed on this disk. The selected disk is of the GPT partition style.
What am I supposed to do, if I don’t want to pick other disk or partitions?
Here are two options:
Use Diskpart to clean up the disk
If you still have a Windows system running that still can access to the disk you were trying to install Windows 8, you can simply use the command line diskpart to clean up the disk.
1. Open command prompt as administrator.
2. Type diskpart
3. Check, and select the disk.
DISKPART>select disk n – replace n with the number listed from above command.
Noticed the disk 1 in the screenshot above that has the * in GPT column? That indicates that the disk 1 indeed is a GPT styled disk.
4. Clean up, after the disk is selected. Warning: this step will completely wipe out your disk clean. All data will be destroyed. Make sure you have a backup before moving forward.
Or, if you don’t have access to a Windows system, you can try to
Use Gnome Partition Editor
The infamous Gnome Partition Editor (GParted) is a free LiveCD partition manager that enables you to resize, copy, and move partitions without data loss.
Download the ISO images and burn it to either CD or USB (the tool mentioned here could help with writing the image to USB), and boot it to clean up the disk.
Once it’s done, you can restart the installation process and will not have problems installing the Windows 8 to the selected disk that previously prevented you from installing to.
For more information about the GPT, which was introduced as part of the UEFI initiative, check out this FAQ.
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Last updated: 09/05/2016