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Windows 7: UEFI Dual Boot Windows 10 and Windows 7 x64 on SSD Drive?

14 Dec 2016   #1
cloves

Windows XP
 
 
UEFI Dual Boot Windows 10 and Windows 7 x64 on SSD Drive?

Hi everyone, my new laptop has a normal hard drive and also has a 128gb Samsung m.2 ssd drive.

I was able to install a fresh dual boot on the regular hard drive. First Windows 10 then Windows 7 using usb method which included embedding the usb 3 drives.

Now for the ssd I shrunk down half the drive after Windows 10 was installed so I could install Windows 7. Followed pretty much the same process, booted with Windows 7 usb got all the way to the partitions and Windows then said "Windows was unable to create a system partition etc." message. I did have the option to continue, which I did as stated in one of the tutorials " this site. However after files installed I ended up getting an error at the end.

So I'm wondering is this perhaps because I didn't burn the samsung nvme drives into the usb?


My System SpecsSystem Spec
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14 Dec 2016   #2
Megahertz07

Windows 7 HP 64
 
 

- Win 10 use "Secure boot" that isn't compatible with Win 7. You have to set it to Other and Compatible System Mode to enable. As Win 7 was installed with Secure boot=enable, don't know if it will boot with Secure boot=disabled

For Win 7
Under CSM enable UEFI boot.

More or less like this
OS type Windows UEFI = Secure boot, so if OS type = Other, secure boot is disabled.

for CSM, here are the current settings (in bold)
Launch CSM.......................................(Auto, Enabled, Disabled)
Boot Device Control.............................(UEFI and Legacy OPROM, Legacy OPROM only, UEFI Only)
Boot from Network Devices...................(Ignore, Legacy Only)
Boot from Storage Devices....................(Ignore, Legacy Only, UEFI Driver first)
Boot from PCIe/PCI Expansion Devices....(Legacy Only, UEFI driver first)

Boot from the Win 7 installation disk ON UEFI MODE (important).

Install on the large empty NTFS partition

For the updates MS releases SP2 for Windows 7

Yes, you have to load the m.2 ssd nvme drivers. As you already have added the USB drivers, during installation you can add them from a USB flash disk.
If you want to understand how the drivers affect Win 7 installation disk
Create a Windows 7 USB flash installation with new drives for new MB's
My System SpecsSystem Spec
14 Dec 2016   #3
samuria

win 8 32 bit
 
 

When duel booting you must always install the oldest o/s first as it won't understand new versions boot
My System SpecsSystem Spec
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14 Dec 2016   #4
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

If it was my computer, I would unhook all drives except the drive I wanted Windows 7 on. Then just do a install and get the updates and activation.

Jack
My System SpecsSystem Spec
14 Dec 2016   #5
cloves

Windows XP
 
 

Thanks for the reply Megahertz07,

I will give this a try tonight. I am working with a Lenovo y-700 and I have set the bios the exact same way I was able to get windows 7 installed on the regular drive.
My System SpecsSystem Spec
14 Dec 2016   #6
cloves

Windows XP
 
 

Quote   Quote: Originally Posted by samuria View Post
When duel booting you must always install the oldest o/s first as it won't understand new versions boot
This is what I always thought was the case as well after research. However I was able to fresh install Windows 10 and then installed Windows 7 on the regular hard drive.
My System SpecsSystem Spec
14 Dec 2016   #7
Megahertz07

Windows 7 HP 64
 
 

If you were able to install on a regular HDD, you can install on the SSD.
You have to load the m.2 ssd nvme drivers during installation. As you already have added the USB drivers, during installation you can add them from a USB flash disk.
My System SpecsSystem Spec
16 Dec 2016   #8
cloves

Windows XP
 
 

So today I am trying to get this all installed. I installed windows 10 on the ssd, then tried windows 7. Getting a

"The partitions on the disk selected for installation are not in the recommended order. For additional information about installing to GPT disks"

Also turns out my SSD is a MZNTY128HDHP is a SATA M.2 SSD. So no NVMe drives needed.
My System SpecsSystem Spec
16 Dec 2016   #9
Megahertz07

Windows 7 HP 64
 
 

I have a Z170 MB and a M.2 128G SSD AHCI drive.
I have installed win7 and Win10, in this order.
When installing win7 on the clean SSD, it first created 3 partitions:
- UEFI - 100M Fat32
- MSR - 120M RAW
- Big NTFS.

Before installing win7 I split ed the NTFS partition in two and then installed Win7 on the fist half.
Then installed win10 on the second half.
As it is two windows, during boot it loads the win10 boot loader and asks what windows you want to boot- 10 or 7

On UEFI the boot loader is stored on the UEFI - 100M Fat32 partition, so afterwords I deleted the the Win 10 partition and installed Lubuntu.
My System SpecsSystem Spec
16 Dec 2016   #10
Megahertz07

Windows 7 HP 64
 
 

"I installed windows 10 on the ssd, then tried windows 7.

As you have Win10 installation disk, try only to install win7 on the M.2 SSD. If you succeed, install win10.
My System SpecsSystem Spec
Reply

 UEFI Dual Boot Windows 10 and Windows 7 x64 on SSD Drive?




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