Hi all, I want to share with all my hard experience to find the correct way to have Windows 8 and Debian Wheezy correctly installed on my new laptop Lenovo G50.
All in correct dual boot, rigorously with Grub 2, and in Legacy Mode(NO UEFI).
Premise: I bought the laptop with Windows 8 pre-installed. I just copy the product key(right click on my computer, see on the right frame, down) of my Windows 8 version. For laziness I forgot to do the correctly procedure to download the Windows 8 distribution(recover dvd) from the site....
So when I run Easus Partition to resize my partitions(I only resized the major, where windows 8 was installed), after rebooting, no o.s. was found....
It's the begin of my "some days of madness".
Why?
Beacause I'll never "played" before with windows 8 installation and UEFI technology....
Well(and I end my premise) I reinstalled windows 8 and debian 7, I don't know how much time.....
I don't know how much isos of different distribution I downloaded....
How many repair tools and other.....
At the end..... I will use only what already were in my possession... an old distribution of parted magic, that's now is no more a free distribution...
But we see also how to do all without this really magic distribution....
Are you ready?
1)Go under your bios and disable Secure Boot and UEFI boot. Choose Legacy mode. Choose dvd reader as first boot option.
2)Insert a copy of your PartedMagic or any other live distribution. We need to backup the system reserved data(on another hard disk, an external..).
In my case I backup completely all the data contained in the other partition pre-created by the manufacter.
The most important: the reserved partition were UEFI files are stored.
But most of all the reserved partition of all drivers for windows 8(so when I reinstall the windows 8 I already have all drivers ready to install...)
3)Ended the backup(really is a copy on another hard disk) we need to have 2 things to download:
- the windows 8 distribution(that you can download from here; it's a magnet link for torrent; It's a Windows 8 enterprise).
- the debian 7 live distribution
4) Now we can install Windows 8. Insert dvd, I prefere to don't connect the pc to the net. It will be a more quickly installation.
During the setup you have to erase all the hard disk.
You can do this also before starting installation with another partitioner tool.
5) Ended the windows 8 installation, you have to disable the windows 8 fast startup.
Next you need to modify(erase) the GPT table; so you have 2 chances:
first one is to go with gparted cd and start the partitioner tool.
second one is to start the live cd of debian. Install the gparted and start it.
When gparted starts, a message will show to you:
/dev/sda contains GPT signatures, indicating that it has a GPT table.
However, it does not have a valid fake msdos partition table, as it
should. Perhaps it was corrupted - possibly by a program that doesn't
understand GPT partition tables. Or perhaps you deleted the GPT table,
and are now using an msdos partition table. Is this a GPT partition
table?
Where /dev/sda depends of your system. It should be /dev/sdb or anything other...
Yes we have to erase GPT table. To do this give this command:
sgdisk --zap /dev/sda
sgdisk is equipped already from gparted distribution.
If we proceeded with the live distribution(as in our case Debian live) we have also to install it(from 7.6 it is in debian repository)
apt-get install gdisk
6)Now we removed the gpt table. Now our debian live distribution will be able to see windows partition.
Start it and proceed with a normal installation.
Preserve(do not move or resize) windows partitions.
Install(as default) grub boot loader into master boot record.
At the end of installation, reboot and you will have a "normal" dual boot with Windows 8 and Debian 7 Wheezy.
P.S.: only in this moment I proceed with Windows 8 activation(after I replace the product serial id with mine).
Bye..
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