HDD not detected during Windows 8 installation in UEFI mode

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mak712

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May 15, 2013
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10,510
ok well this is a little complicated to explain so m gonna summarize it as much as possible.

i have a HP Sleekbook 15-B002xx which came with a windows 8 OS installed already. due to some reasons, i tried to shift it back to windows 7. After many unsuccessful tries, i finally managed to install windows 7 by changing my boot sequence to Legacy Boot.
later on, due to lack of drivers for win 7, i installed, rather upgraded to win 8 which was running on legacy boot (using MBR if im not wrong). now, i want to install a fresh copy of win 8 with UEFI but the problem is when i change my boot sequence to disable legacy boot, then during installation of win 8, i cannot see my HDD :(... im using a flash drive to install win 8 which is already in UEFI (i used diskpart for that).
also, when i use legacy boot and try to install windows, then the HDD appears and when i format the HDD and create new partitions, it creates 3 partitions (System, MSR, Reserved) and the fourth one for OS. i tried installing the windows like this but after install, when i change the boot sequence to UEFI again, it fails to boot :(

now, i want to install windows to UEFI... and i really need help with this please :(... i hope i have explained the scenario... if anyone would like to ask anything, please do :(... as i really need to get this away... and also, i'd like to ask that how can i check if my HDD has been changed from MBR to GTP?

im not that much expert with this stuff so i hope i have used the terminologies right... awaiting answer people :(..

Thanx in advance
 
Solution
Boot from your UEFI USB drive. Delete all partitions on the disk in question you want to install Windows 8 on as UEFI. Format, and you'll have Recovery, System, MSR and Primary... and then install on partition 4, primary. Don't change the drive order. If you get an error message "Windows can't be installed on drive 0", ignore it as long as you can click "Next", you'll be alright.

Hope this helps!

jpishgar

Splendid
Overlord Emeritus
Boot from your UEFI USB drive. Delete all partitions on the disk in question you want to install Windows 8 on as UEFI. Format, and you'll have Recovery, System, MSR and Primary... and then install on partition 4, primary. Don't change the drive order. If you get an error message "Windows can't be installed on drive 0", ignore it as long as you can click "Next", you'll be alright.

Hope this helps!
 
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yonn

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Aug 11, 2013
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10,510
I have the same problem with HP Pavilion sleekbook....I can access and deleted all partition which is when I boot it from LEGACY..and continued to install ignoring "Windows' can't be installed..." message...it goes on and everything goes right. But when it restart it cannot boot up again and it hang...Secondly, when I boot it from UEFI/USB I can't see the the Partition/HDD drive.
 
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