My laptop is Dell Inspiron N4030. I used to use Ubuntu 12.04 and it was on the entire hard drive. I tried to install windows 7 but my laptop couldn't install it. So, I decided to delete the entire hard drive and do a fresh install of Windows 7. But after deletion I immediately removed the gparted live usb which I was using to delete the partitions of my hard drive. And then tried booting from windows 7 cd, didn't work, tried ubuntu live cd, didn't work, tried hiren's boot cd, didn't work, tried super grub disk, didn't work. Probably I'm not doing it right. Help needed badly.
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Your BIOS is probably configured to boot off the hard disk before the CD/DVD drive. Try changing the boot device order in the BIOS and then booting from the Windows 7 CD. You should not need a valid Master Boot Record on the hard disk to boot off a CD.
Fran
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You likely did not delete all data on the disk since it looks like parts of GRUB are still there. But this should not matter. If you have explicitly selected to boot from the DVD/CD drive and it does not work with different (known good?) discs, a defective drive is the most likely cause. If you do not care about a non-working drive, you can install Windows 7 from a USB flash drive. Instructions are here: Install Windows 7 from USB flash drive
Gurken Papst
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