I am using windows 7. When I try to install another operating system by booting from an USB device, I get the message "Invalid Partition Table". How can I fix this?
Shishir Ahmed,
You can click the link below for information and instructions for creating a Dual Boot System or more.
http://bit.ly/1Itpngv
Thank You,
Dell-Jesse L
Dell Social Media and Communities
cd Desktop/MBRWiz2.0/
MBRWiz /list
Record the USB flash drive disk number
Make the USB drive active.
mbrwiz /disk=X /active=1
For Windows Vista,
On the Start menu, navigate to the command prompt entry. Right-click and select Run as administrator.
Type
diskpart
list disk
Record the disk number of your USB flash drive.
Select the USB disk.
select disk X (X is the drive number of the USB flash drive)
List the current partition. Record the partition number.
list partition
Select the current partition and make it active.
select partition Y (Y is the partition number of the USB flash drive)
active
Creating bootable USB flash driveDownload Windows 7 iso (32-bit) file to your desktop (The download link is no longer valid).
Download and install WinRAR.
Right-click on the Windows 7 iso file and select Extract files. Extract the files to a folder (you can name the folder any name you want, but for illustration purpose, I name it win-7) in your desktop.
In your command prompt, cd to the windows 7 folder.
cd Desktop/win-7 (Change the destination to the folder that you have extracted)
cd boot
bootsect /nt60 X: (X is the drive latter of your USB drive )
Now, copy all the files from the Windows 7 folder to the USB flash drive.
Reboot the computer. Remember to change the first boot device to your USB drive in the BIOS.
You should be able to install Windows 7 from your USB flash drive now.
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