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Windows 7: Cant install 64bit but 32bit works fine

20 Feb 2010   #11
bobkn

Windows 7 Pro X64 SP1
 
 

It's hard to guess what the problem is.

An X58/ Core I7 920 system should be fine with X64. (See my system specs.)

All that I can suggest is a minimalist install: have the minimum number of devices present during the installation, to minimize the number of drivers Win7 attempts to install.

I thought that the 350W PSU might be a little marginal, but according to:

eXtreme Power Supply Calculator

you should be fine.

I had no difficulty installing Win7 X64 with 12GB of RAM installed, but I am not relying on the SPD settings; I've manually set the RAM timings and voltage in the BIOS.


My System SpecsSystem Spec
.
20 Feb 2010   #12
20bargap

Windows 7
 
 
64 bit windows 7 loading

I reduced my RAM to 2gb and lo and behold 64bit loaded fine!!!

I then added an additional 2gb RAM and still no problem.

So it appears that Windows 7 64 bit does have some problems with loading on some systems with more than 2gb RAM.

Thanks to all for the advice.
My System SpecsSystem Spec
20 Feb 2010   #13
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Quote   Quote: Originally Posted by 20bargap View Post
I reduced my RAM to 2gb and lo and behold 64bit loaded fine!!!

I then added an additional 2gb RAM and still no problem.

So it appears that Windows 7 64 bit does have some problems with loading on some systems with more than 2gb RAM.

Thanks to all for the advice.
That is good news.
My System SpecsSystem Spec
.

22 Feb 2010   #14
mtshil

windows 7
 
 

thanks this worked!!!! but i think i might have got to the root cause of the issue... my lan driver. windows keeps keeps disabling the lan driver and i can connect to the internet. i have tried to update the lan driver from asus and realtek but still no luck? any thoughts
My System SpecsSystem Spec
Reply

 Cant install 64bit but 32bit works fine




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