I have 4GB RAM installed in my computer but it says that only 2.45 GB is usable. I want to use whole of 4GB of RAM. How can I do it? - Quora
I have 4GB RAM installed in my computer but it says that only 2.45 GB is usable. I want to use whole of 4GB of RAM. How can I do it? - Quora
![Systems with the Intel Skylake chipset and 4G or above memory: Memory size shows less than 2 GB available RAM if 32-bit Windows 7 is installed on the system | Dell US Systems with the Intel Skylake chipset and 4G or above memory: Memory size shows less than 2 GB available RAM if 32-bit Windows 7 is installed on the system | Dell US](https://supportkb.dell.com/img/ka02R000000hw5NQAQ/ka02R000000hw5NQAQ_en_US_2.jpeg)