Can I switch from Vista 32 bit to Win 7 64 bit on hp pavillion d4790y?

I have 2 gig ram, but really need to accelerate up to 8 GB. I would also like to get win 7 for the office. Before all this, I need to know since my current OS is 32-bit, but 64-bit capable, if I install windows 7 64 bit will it pass from 32 to 64? And then the 8 GB of RAM will actually work if I buy that as well? Will I run into all the problems of the material inside (processor or motherboard (intel core 2 cpu [email protected] ghz))? I do not understand 32-bit to 64-bit conversions... Thank you

Hi, Ciaroman:

As I explained to wb2001, there is a difference between an upgrade on the spot and a custom (new installation).

An upgrade in place means that you keep all of your files, programs and settings when you upgrade to Windows 7.

While I always recommend backing up your files in case something goes wrong, all you do is pop in the disk on the Windows desktop and it installs Windows 7 and other than that, your PC is just the way it was before you upgrade, except that you now have Windows 7 instead of Windows Vista.

You may need to install a couple of pilots, but that should be all you need to do.

When you move from a 32-bit to a 64 bit OS OS, you can do an upgrade on the spot.

You have to backup all your files and completely reload all programs, files and personal settings once your new 64-bit OS is installed.

This installation method is called a custom or clean installation.

Now as for the memory... Basically, Crucial memory is the same as the memory that I posted from NewEgg.

If you feel 'safer' purchase of Crucial, by all means do so.

I just give you options for less expensive, but also as a decent memory.

This choice is yours.

I can't say, I bought my memory from NewEgg (essential or patriot) for laptops and for a few years now and never had a problem with backward compatibility still.

Here's an article on the latency CASE that explains better that I could. Basically the more latency, faster memory performs. This is not the same as the speed in MHz, it performs to.

http://en.Wikipedia.org/wiki/CAS_latency

So, as the number 5 of the same 800 Mhz memory chip should give you a slightly better Windows experience index # a chip number 6.

I'm not an expert of memory. I didn't even know there were fleas in CASE 5 PC2-6400. I thought they were all CASES 6 and that all modules in memory PC2-5300 cases5.

In any case, I went with Crucial memory because it was cheaper at the time.

So, to summarize...

Upgrade on-site is NOT the same as a custom upgrade.

In place keeps all the files and settings and install just the OS on the existing.

Custom: All files and programs must be reinstalled after installing the OS.

CASE 5 memory 'faster' than the memory of 6 CASES.

Just for fun, when you get your floppy drive to install W7 (I recommend buying retail package so that you get a 32 bit version and 64), put the 64 bit OS installation disc in the DVD drive on the windows desktop and see what happens.

Then, remove the disc and insert the W7 32-bit installation disk and see what happens.

You will then have proof positive, there is no way you can do an inplace upgrade to an OS 64-bit to a 32 bit OS.

Personally, I would do a custom (clean install) of a 32 to an OS 32 bit or 64 64-bit OS anyway. I am suspicious of an upgrade inplace carrying luggage old to the new facility.

Please report if you have any other questions or need additional assistance.

Paul

Tags: HP Desktops

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