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
![windows - 8GB of ram working normally with 7.9 usable, then one day only 7.4 were usable, what happened? - Super User windows - 8GB of ram working normally with 7.9 usable, then one day only 7.4 were usable, what happened? - Super User](https://i.stack.imgur.com/E9kkQ.png)
windows - 8GB of ram working normally with 7.9 usable, then one day only 7.4 were usable, what happened? - Super User
![I've 8gb ram (6gb usable) but my pc is showing 50% ram slot usage when my pc is using only ~700mb ram : r/computer I've 8gb ram (6gb usable) but my pc is showing 50% ram slot usage when my pc is using only ~700mb ram : r/computer](https://preview.redd.it/b9uzwps3j2t61.jpg?auto=webp&s=870c5aebd74b715cf2dde80e3b5af3a7dd64f4cf)