How to add more usable for Win 7 Professional 32 bit system RAM?

I use a Windows 7 Professional operating system, just got my 4 GB RAM today. But after I installed it in my computer, the maximum usable RAM remained always at 1.99 GB. Isn't Windows 7 Professional can use Maximum 4 GB RAM? How should I set my system setting to increase the maximum usable RAM?

The display of the RAM in the system of the property now's RAM: 6 GB (1.99 GB usable).
PS. I don't know if this is relevant, but in my system, the memory of virtue setting is set to 2 GB, I have 6 GB RAM, so I don't think there's this problem...

I use a Windows 7 Professional operating system, just got my 4 GB RAM today. But after I installed it in my computer, the maximum usable RAM remained always at 1.99 GB. Isn't Windows 7 Professional can use Maximum 4 GB RAM? How should I set my system setting to increase the maximum usable RAM?

The display of the RAM in the system of the property now's RAM: 6 GB (1.99 GB usable).
PS. I don't know if this is relevant, but in my system, the memory of virtue setting is set to 2 GB, I have 6 GB RAM, so I don't think there's this problem...
If you have 6 GB of RAM, it is waste. You should not have more than 4 GB.
All versions of Windows 32-bit client (not just XP/Vista/7/8) have a 4 GB address space (64-bit versions can use much more). It is the theoretical upper limit beyond which you cannot go.

But you can't use the whole address space. Even if you have a 4 GB address space, you can use * autour * 3. 1 GB of RAM. This is because some of the space is used by the hardware and is not available for the operating system and applications. The amount you can use varies, depending on what hardware you have installed, but can vary from as little as 2 GB to 3.5 GB. It is usually around 3.1 GB.

Note that the hardware is using the address * space *, not the RAM real itself. If you have a larger amount of RAM, the rest of the RAM goes unused because there is no address to map space to.

Tags: Windows

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