What should I do if the memory capacity does not change after Win7 adds a memory stick?

Xiaobian went to buy a memory stick a few days ago. After plugging it into the computer, I found that the memory capacity has not changed. This is the shrimp situation. So Xiaobian actively explored and finally developed a solution.

The situation is as follows:

1, Xiaobian added a 2GB memory stick on the computer with 2GB memory, which is displayed on the third-party software. After

2, right-click the attribute selected computer, access to computer systems interface displays 4GB of RAM, but can be used only 2GB.

as follows:

1, after clicking the start button, the input & rdquo; system & ldquo; and search. Once you find the system configuration, click Open.
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