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Przepraszam
VIP Member

Posts: 14397
Location: Poland. New York.

Posted: Thu, 16th Nov 2017 23:46 Post subject: Can't Instal Win7	Quick Quote Quote

Hello everyone, Right now I have Win10 installed on my SSD but I would also like to dual boot with Win7. I have created separate partition on one of my HDD to put it on but during installation I am greeted with this error "Windows detected the EFI system partition was formatted as NTFS. Format the EFI system partition as FAT32 and restart the installation" Can anyone help me out how to solve it?

Janz

Posts: 13997

Posted: Fri, 17th Nov 2017 00:05 Post subject:	Quick Quote Quote

but why? first problem: maybe new hardware, aka the mobo. doenst work without modifying the win 7 installer second: installing 7 after 10 doenst work well cause 7 doenst know 10, but 10 does know 7. that fucks up the bootloader if 7 is installed after 10 third: uefi stuff. you most likely installed 10 in uefi mode, thats fine. even with dual boot 7, but you need to deactivate secure boot but still have to activate the uefi mode in order to install 7. and you cant activate secure boot cause 7 wont boot anymore, but if you dont reactivate secure boot 10 might nag you cause you installed in uefi mode with secure boot long story short: there is absolutely no fucking reason to install 7 side by side to 10

VGAdeadcafe

Posts: 22230
Location: ★ ಠ_ಠ ★

Posted: Fri, 17th Nov 2017 02:34 Post subject:	Quick Quote Quote

Can you do what you want in a Virtualbox win7 installation instead?

AnarchoS

Posts: 2142
Location: An Archos

Posted: Fri, 17th Nov 2017 08:51 Post subject:	Quick Quote Quote

Whats your cpu? That could be the reason, support for new cpu's was dropped for win 7. There is an unofficial update for it: https://www.extremetech.com/computing/248069-unofficial-patch-unblocks-windows-7-8-1-updates-kaby-lake-ryzen A.F.A.

scaramonga

Posts: 9800

Posted: Sat, 18th Nov 2017 03:22 Post subject:

7 & 10 work together just fine, you just gotta have 7 installed first, then 10, if your dual booting. It is what it is Wink

Janz wrote:

long story short: there is absolutely no fucking reason to install 10

Corrected.

Przepraszam
VIP Member

Posts: 14397
Location: Poland. New York.

Posted: Sat, 18th Nov 2017 09:28 Post subject:	Quick Quote Quote

@AnarchoS Nah, I am still rocking Broadwell-E @VGAdeadcafe I guess that could work. @scaramonga Finally, someone with sensible replay unless like first replay. I might just do that. TY.

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