Hi,

I'm having hard time trying to do clean install of Windows 7 64-bit
on ThinkPad W700. It is the W700 version with CPU T9600,
NVIDIA Quadro FX 2700M and without color calibrator and digitizer.
I bought W700 second hand and I don't have any Windows installed
on it, no recovery CD/DVD included.

It seems clean install should be perfectly supported and even
recommended way to update from XP to 7:

http://support.lenovo.com/en_US/detail.page?LegacyDocID=MIGR-74108

I have legal digital copy of Windows 7 Ultimate, I downloaded
ISO from my MSDN subscription and followed the guide on
how to burn it onto DVD or USB key.
I have checked SHA1 checksum to confirm the ISO is not corrupted.

Whatever media I use, I always get the same error message
shortly after I hit "Install Now":

"A required CD/DVD drive device driver is missing" or
"A media driver your computer needs is missing" error message
when you try to install Windows by using a Windows installation
DVD or ISO file"

Here is screenshot:
http://www.flickr.com/photos/mloskot/8233748712/

I tried many different workarounds, official ones by Microsoft like

http://support.microsoft.com/kb/2755139?wa=wsignin1.0
http://answers.microsoft.com/thread/48cdc51e-affc-40ec-a0ba-62d37948843c

as well as various ones like

http://www.youtube.com/watch?v=YuC83DEdwu0

or burning new copies at slower speed,
resetting BIOS defaults, setting AHCI or Compatibility mode in
BIOS, switching RAID on and off, even using different hard drives
(swapping between original HITACHI 160GB and new Seagate
Momentus XT 720GB).

Unfortunately, nothing helped.

Does anyone know a reliable workaround for this issue?

I think it may be required to get the Lenovo recovery disk, but
on the other hand Lenovo describes (link above) clean install
procedure, which does not require it.
In case I will need recovery disk, does anyone know how can I obtain it?
I'm not asking for illegal copies of Windows, as I do have lots of
legal licenses, but it's a matter of working around technical issues.

BTW, I have installed Arch Linux 64-bit on this machine
without any problems, almost everything works on Linux
like a charm on my W700
(apart from proprietary NVIDIA drivers, but that's another story).

Best regards,
--
Mateusz Loskot, http://mateusz.loskot.net
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