Solved W8 downgrade -> Windows 7 doesn't detect HDD during install [FIX!]

TechCP

New member
Local time
10:26 PM
Messages
53
Maybe this will help some people. It's a little easier alternative if you're in the same situation I am.

->Purchased new laptop with Windows 8.1 factory installed
->Purchased on April 14, 2014

->Laptop has UEFI motherboard
->HDD is setup w/ GPT

->Inserted Windows 7 Professional DVD
->Windows 7 setup cannot find a HDD / requests drivers

======FIX======
1.) Right-click your start button on the Desktop
2.) Choose "Disk Management"
3.) Right-click on your main HDD and choose "Shrink volume"
4.) Choose whatever size
5.) Right-click on the newly created unallocated space and choose "New Simple Volume"
6.) Do NOT format this volume
7.) Insert your DVD/USB/load ISO/whatever and start Windows 7 Setup
8.) I chose not to go online and get the newest updates, but that's up to you
9.) Choose your newly created simple volume
10.) Let setup continue as normal (Your installation will now find the hard drive(s) and partition(s))
11.) Once you're booted into Windows 7, right-click on computer and choose "manage"
12.) Go back to "Disk Management," and delete all your other partitions.
13.) Right-click on your Windows 7 Partition and choose "Expand this volume"
14.) You've essentially performed a clean install

If this proves to be a useful method for anyone else who's recently purchased a Windows 8 computer and is looking to (up)downgrade to Windows 7, I'll update it to be more in-depth and include pictures.

**Note to mods, move this wherever it needs to be and let me know if I need to make some edits.
 

My Computer My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Acer
OS
Windows 7 Professional (64-Bit)
CPU
i5-2320 @ 3.0ghz
Memory
8GB
Hard Drives
1TB HDD
128GB SSD
Antivirus
Microsoft Security Essentials
Browser
Mozilla FireFox
Laptop has UEFI motherboard
YES & NO, down to your UEFI/BIOS firmware setting.

As this is a OEM manufacturer's PC with Pre-installed Windows 8/8.1.

1) Downgrade to Windows 7.
Downgrade Windows 8 to Windows 7
Warning you must have the UEFI/BIOS firmware setting in Step Three set.

Make sure you read the NOTE at Step three.

2) If Using a USB Pen drive on a PC with a UEFI BIOS.
USB Pen drive need to be formatted to FAT32 as in
UEFI Bootable USB Flash Drive - Create in Windows
Take note of Step 11 for Windows 7.
Also you will need to use a USB 2.0 port, as there are no USB 3.0 drivers in Windows 7.


You will need to buy Windows 7.
 

My Computer My Computer

OS
ME/XP/Vista/Win7
I know, Windows 7 was purchased. I was just sharing how I installed it.
 

My Computer My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Acer
OS
Windows 7 Professional (64-Bit)
CPU
i5-2320 @ 3.0ghz
Memory
8GB
Hard Drives
1TB HDD
128GB SSD
Antivirus
Microsoft Security Essentials
Browser
Mozilla FireFox
Back
Top