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
![How to fix "GB usable" RAM problem under 64-bit Windows (set PCI-E Graphics Card as default in BIOS) - YouTube How to fix "GB usable" RAM problem under 64-bit Windows (set PCI-E Graphics Card as default in BIOS) - YouTube](https://i.ytimg.com/vi/4HbNiCeTU8s/sddefault.jpg)
How to fix "GB usable" RAM problem under 64-bit Windows (set PCI-E Graphics Card as default in BIOS) - YouTube
![ryzen 8gb memory installed, only 4 usable (w10 64bit) bios reads 4gb memory - CPUs, Motherboards, and Memory - Linus Tech Tips ryzen 8gb memory installed, only 4 usable (w10 64bit) bios reads 4gb memory - CPUs, Motherboards, and Memory - Linus Tech Tips](https://pbs-prod.linustechtips.com/monthly_2017_06/19490147_1692599444103586_1603062_o.jpg.0df42f033c6086c76384d069632c6170.jpg)
ryzen 8gb memory installed, only 4 usable (w10 64bit) bios reads 4gb memory - CPUs, Motherboards, and Memory - Linus Tech Tips
![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
![Remove 3GB Ram Limit In 32bit Windows 8/8.1/10| Windows 8GB Ram Patch| Increase Usable Memory to 8gb - YouTube Remove 3GB Ram Limit In 32bit Windows 8/8.1/10| Windows 8GB Ram Patch| Increase Usable Memory to 8gb - YouTube](https://i.ytimg.com/vi/WcVbbKAffDY/hqdefault.jpg)
Remove 3GB Ram Limit In 32bit Windows 8/8.1/10| Windows 8GB Ram Patch| Increase Usable Memory to 8gb - YouTube
![Why is Win11 using 74% of my 8GB Ram in Idle? I can't even have 4 tabs open in my browser. : r/WindowsHelp Why is Win11 using 74% of my 8GB Ram in Idle? I can't even have 4 tabs open in my browser. : r/WindowsHelp](https://preview.redd.it/why-is-win11-using-74-of-my-8gb-ram-in-idle-i-cant-even-v0-lqri88d2ikpa1.png?auto=webp&s=b1c4c631f3bca8088f75d3069bf481a8781472f2)