Why is my laptop showing 1.89GB usable memory out of 4GB installed RAM after I installed 32-bit Windows OS on my 64-bit system? - Quora
![Installed memory 2GB (1GB usable): Why can I only use 1GB of RAM? How can I make all 2GB useable? | Shit happens. Installed memory 2GB (1GB usable): Why can I only use 1GB of RAM? How can I make all 2GB useable? | Shit happens.](https://m3rilix.files.wordpress.com/2011/08/lol.png)
Installed memory 2GB (1GB usable): Why can I only use 1GB of RAM? How can I make all 2GB useable? | Shit happens.
![How To Fix Usable Ram Less Than Installed Ram On Windows | Fix Less Usable Ram | 3 Best Method 2022 - YouTube How To Fix Usable Ram Less Than Installed Ram On Windows | Fix Less Usable Ram | 3 Best Method 2022 - YouTube](https://i.ytimg.com/vi/vod7ikB2qXw/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLCc0wF9gmvp4RINK6h-zSOyMQH7JA)