Windows 7 Forums
Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.

Windows 7: Can't install windows 7

11 Nov 2011   #1

Windows 7 Ultimate x64
Can't install windows 7

So i have this problem with windows 7, i've had it before and fixed it myself cuz i had the laptop in front of me,but now it's oversea and have to help that person by phone and it's driving me crazy...

So the problem is that the "format, new, delete" options are grayed out and thus can't format it and install windows on it.

Last time i remember i went into bios and made a change regarding the hdd raid or AHCI, but i can't remember exactly,then came back to installing win7 and it worked to format and create a new partition.

Help ?

My System SpecsSystem Spec
12 Nov 2011   #3

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1

Set your SATA to IDE instead of AHCI and try to install. Installation complete, then put it back
My System SpecsSystem Spec

12 Nov 2011   #4
Microsoft MVP


If the Custom>Drive Options are greyed out then it almost always means the disk is running from WIndows and not booted.

Set DVD drive first to boot in BIOS setup as shown here: How to Boot your Computer from a Bootable CD or DVD

Or use the one-time BIOS boot menu key given on first boot screen. It can be frustrating trying to help someone do this via phone, I know.

Always try install in AHCI mode first. Reset your BIOS to optimal defaults then check to be sure.

Other tips for getting a perfect reinstall, which you can image after setup so it never needs reinstalling: Reinstalling Windows 7
My System SpecsSystem Spec
17 Nov 2011   #5

Windows 7 Ultimate x64

it's fixed, bad dvd burning... never using imgburn again nero is so much better :P
My System SpecsSystem Spec
17 Nov 2011   #6

Microsoft Community Contributor Award Recipient


Yes, much better.
Well done.
My System SpecsSystem Spec

 Can't install windows 7

Thread Tools

Similar help and support threads
Thread Forum
Windows Essentials 2012 won't install on fresh Windows 7 install.
I swapped out the HDD on my wife's laptop with a new SSD, and did a fresh install of Windows 7. My wife liked the live mail, and the photo viewer, and had the 2009 version on the old system, I think. can only install the new Windows Essentials 2012, or it's individual...
Clean install error Windows cannot install required files.
This is what is happening. A friend gave me his DELL Inspririon 531 2007 Desktop. It has a pirated copy of 7 ultimate x64 (which I am not sure if this supports 64 bit). Prior to looking into how old the machine was, I was able to install 8.1 64 bit. But it wouldn't allow me to install any drivers...
Installation & Setup
Windows update fails to install IE10 after repair install
I did a repair install of W7 Ult. x64 SP1. Applied all updates, but if fails to install IE10 update : (as you see it is a dutch version). If have run sure & sfc /scannow. Both report no problems. CBS files are attached. Please help ?
Windows Updates & Activation
windows 7 wont complete install. restarts install or bsod
Hello everyone. first off, thanks for taking the time to consider my problem. i know this is quite a redundant issue, thank you for your patience. First off this is a newly built computer, all fresh components. after cleaning/activating the hdd via shift +f10 at win7 setup,(which took me...
Installation & Setup
Windows 7 Install Disc fails to see hard disk after Ubuntu install
After I tried to make a dual boot with Ubuntu and Windows 7 Ultimate (64-bit), Windows now does not boot. I have tried to reinstall and repair the HDD but the disc fails to recognize my HDD (Western Digital Scorpio Black 500 GB). My HDD is Basic, has 3 primary partitions and 1 extended (3 logical)....
Installation & Setup

Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 09:55.
Twitter Facebook Google+ Seven Forums iOS App Seven Forums Android App