What is the reason for the difference between Win7 installation memory and available memory?

I believe that many users have encountered such a problem, that is, after installing the Win7 system, it is found that the installed memory is not the same as the available memory, obviously 4G of memory is installed, and the available memory is only 2G, or 8G memory only 4G is available. so, what happened? Why is it different? Let's take a look at the reasons and solutions.

First, you are not installing a 64-bit Win7 system

Win7 32-bit can only recognize less than 4G of memory, so you have 4G memory recommended to install win7 64-bit Ultimate;

Second, the memory is not compatible

You may have installed two memory, sometimes can identify but only one is available, this can detect or replace the memory test yourself;

Third, the memory is set Explicit partitioning

The memory of integrated graphics needs to be divided into memory. Of course, there is no way to do this. In addition to installing the independent display, it is to increase your memory.

4. The maximum available internal content is limited
after

enter msconfig carriage return in the operation, in & ldquo; guide & rdquo; & mdash; & mdash; & ldquo; advanced options & rdquo; select your maximum available memory, determining and restart;

more It is the reason and solution for Win7 installation memory and available memory. If you encounter that the installation memory of the system is inconsistent with the available memory, you can solve the above method.