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Windows 7: CD installation problem

20 Apr 2010   #1

Windows 7
CD installation problem

I'm trying to install windows 7 on a machine that currently has XP Home on it. I have set the DVD drive to be the 1st boot device in the BIOS, but the machine refuses to recognise the installation disk (Genuine copy direct from MS) - it just skips over it and boots straight into XP. Unfortunately the BIOS does not allow for booting from a USB drive so I am a bit stuck.
I gather from reading other threads that it is possible to boot from a Vista installation disk (yes the machine will recognise this installation disk and boot from it) and then at some point substituite the Windows 7 disk to complete the Windows 7 installation. Can anyone tell me how to do this?
Alternatively is there a way to force the machine to boot from the Windows 7 DVD - it won't run from within XP either. I have tried using an XP boot disk to try and run setup from there but it just comes up with a readme file that says that the O/S needs to support ISO-13346 "UDF" file system.
Grateful for any assistance to get Windows 7 on this machine!

My System SpecsSystem Spec

20 Apr 2010   #2

W7 Ult. x64 | OS X

Are you attempting to install a 64-Bit OS on a machine that doesn't support 64-bit?

Tip   Tip
If you're using an OEM disk, they don't come w/ both 32 and 64 bit on the disk, just one or the other.

One thing you can try is extracting the iso from the installation disk and burning it to a new dvd w/ a slow write speed (less than 8x).

MagicISO / Daemon Tools should allow you to create an iso from the DVD
Home page ::
Using MagicISO to make iso from CD/DVD

IMGBurn should allow you to create a DVD from ISO.
The Official ImgBurn Website

Let us know if this works, and/or you need more help.
My System SpecsSystem Spec
20 Apr 2010   #3

Windows 7

Thanks - according to Microsoft's system checker the system is OK for 64-bit.
I had a similar problem when installing Windows 7 on my laptop (this is a volume license disk) which I got round by using a USB stick for installation. I tried the same principle by copying the DVD (extracted files and burned new DVD) using Roxio creator - however I didn't go the ISO route - needless to say this didn't work either! What difference does extracting the ISO and then re-burning the image make?
My System SpecsSystem Spec

20 Apr 2010   #4

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86

1) Check if your bios has an option called "Enable Boot menu". When you enable this option, you can press a key at startup (It may be F12 or vary with your system), that will let you choose the boot device. Select your dvd drive here.

2) MS has configured Windows 7 install dvd in the UDF format, instead of the standard iso format. Some dvd drives may have trouble reading udf drives, which may be your case. Use a program like ultraiso or the ones suggested by Notsograymatter to save your disk as an iso, burn at lowest speed then try the install.
My System SpecsSystem Spec
20 Apr 2010   #5

Windows 7

No - BIOS does not have enable boot menu.
So I made a new CD producing an ISO using Magic ISO and burned it using ImgBurn - but still no go, still won't boot. Anything else to try?
My System SpecsSystem Spec
20 Apr 2010   #6

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86

Ok, try this method to install from the setup.exe.

Install Windows 7 or Windows Vista on a Pc Without DVD Media - Tips & Tweaks
My System SpecsSystem Spec
20 Apr 2010   #7

64-bit Windows 8.1 Pro

Try extracting the contents of the DVD to your hard drive and run the setup.exe from there... Hope this helps..
My System SpecsSystem Spec
20 Apr 2010   #8

Windows 7

Now this is really weird.
I booted up the machine using a Vista installation disk, which took me into Win PE. There I was able to use the command prompt to run setup.exe from the sources directory of my Win 7 installation disk. I got the following message:
"This version of setup.exe is not compatible with the version of windows you're running. Check your computer's system information to see whether you need a x86(32-bit) or x64 (64bit) version of the program, and then contact the software publisher"
Now I have already run the MS Windows 7 compatability tool on the system and it confirms that it is OK to run 64-bit on my system (my processor is an AMD x64 dual core 3800+) - so why is it not allowing me to install the x64 version of Win 7?
My System SpecsSystem Spec
20 Apr 2010   #9

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86

You cant upgrade from XP 32-bit to 7 64-bit. For that changeover, you need to perform a clean install which will completely wipe out XP and install 7. Solution- Use a Windows 7 32 bit dvd's contents to install. You can use the 64 bit version's key.
My System SpecsSystem Spec
20 Apr 2010   #10

Windows 7

Yes I finally cracked it - thanks guys!
Used a Win 7 Home installation disk to get to command prompt then substituted x64 installation disk and it sailed through - it obviously needed a later version of Win PE
My System SpecsSystem Spec

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