The Win7 flagship 32-bit system has 4G of RAM and shows only 2G available to solve

The specific steps are as follows:

1, press "Win+r" to open the "Run" window, enter "msconfig" command and press ENTER to open the System Configuration window;

2, in the bounce out of the "system configuration", switch to the "Boot" tab, and then click the "Advanced Options" button;

3, in the Pop-up Boot Advanced Options window, uncheck the "Maximum Memory", then click OK Close;

4, restart the computer can be effective, generally can be turned into 3.25G, if still did not restore to 3.25G (not integrated graphics premise), then directly again step 3 to check the "Maximum Memory", Set to 3.25G, or 3328M, but if you want to use 4G memory better, it is recommended that you use the 64-bit Win7 operating system (theoretically 4G memory support 3.8G).