I do not know if it is ok to ask this question but any help will be appreciated.
I got Dell Laptop and I have added total 4GB memory.



When I click Performance in Task Manager under Physical memory total is showing 2045 which is equal to 2GB right?
I wonder why it does not show 4GB?
Am I making any mistake?

PS, attaching screen shot(sorry OS is in Japanese)

Thank you

Richc46- as far as I know, a 32 bit system can use up to 4 Gb of RAM, which includes the graphics memory. That's why it's advisable to use a 64 bit system to allow using more than 4 Gb of Ram. As I understand it, most systems would show around 3.25 Gb as available. Of course, he didn't say which version of Vista he's using but the Aero (if he's running it) would take up around .5 Gb so now we're down to about 2.75 Gb. Other running processes could be using the other .75 Gb.

Thank you for reply.
I am using windows vista home premium 32 bit.
So, after looking at the screen shot what would you think. is it showing 4 GB or 2GB?
Thank you once again.

Dell technical support had guided me. My computer had 2GB memory pre-installed, therefore, Dell advised me to buy 2x2 GB=4GB which I could use in Windows vista Home premium 32 bit.

The link for memory test you added is talking about problems not test. I think I will check again after posting this thread.


Thank you.

Thank you for reply.
I have already used Memtest even Vista memory test and found everything ok.

I wonder if someone can guide me, how to check memory in safe mode. I think there is an option we can check the memory but I forgot. Also how to exit safe mode.

PS*just now I removed the memory and re-inserted and they still showing 2GB instead 4GB.

Thank you