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I've HP Pavilion Notebook (db6000). It has AMD Turion™ 64 X2. It came pre-installed with Windows Vista Home Premium. I smoked it and installed Vista again. But in spite of it being touted at 64bit I was not able to install Vista 64 bit version. It only allows 32 bit one. So I'm wondering if the processor is really 64 bit or a marketing gimmic for 32 +32 = 64 bit [it is dual core for sure :) ]

EDIT:- Why am I not able to install 64-bit version of Vista if the processor is 64-bit?

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What is the Vista installation reporting when it fails? – Richard Aug 3 '09 at 8:41
I'd recommend you asking a different question about Vista 64 failing to install with further detail, such as the error message. I'd also recommend you to accept SZayat's answer, because that was the asked question. – Vinko Vrsalovic Aug 3 '09 at 8:49
up vote 5 down vote accepted

Yes, Turion 64 X2 is a 64-bit CPU. Run SecurAble to be extra sure ;)

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the why can't I install Vista 64 bit? – TheVillageIdiot Aug 3 '09 at 8:22
@TheVillageIdiot: You're going to have to tell us what happened when you tried. How far did you get? What went wrong? It could be anything, but it's not the CPU. – David Schwartz Oct 16 '11 at 20:01
@David Schwartz actaully the dvd was 32bit :D – TheVillageIdiot Oct 17 '11 at 3:17

You might want to try a Linux LiveCD AMD64 version just to prove your processor can run an AMD64 operating system.

I guess we'll need more information to work out the Vista problem - might it be one of the other requirements that your system isn't meeting?

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