![Why Windows Vista only sees 3GB memory in a PC with 4GB RAM and how Vista SP1 fools its users – 4sysops Why Windows Vista only sees 3GB memory in a PC with 4GB RAM and how Vista SP1 fools its users – 4sysops](https://4sysops.com/wp-content/uploads/2008/04/3gb.png)
Why Windows Vista only sees 3GB memory in a PC with 4GB RAM and how Vista SP1 fools its users – 4sysops
![memory - Why is my computer windows Vista is running very slow despite CPU/RAM usage at not 100%? - Super User memory - Why is my computer windows Vista is running very slow despite CPU/RAM usage at not 100%? - Super User](https://i.stack.imgur.com/uO9JN.jpg)
memory - Why is my computer windows Vista is running very slow despite CPU/RAM usage at not 100%? - Super User
![Windows Vista. Vista Versions Minimum Requirements (to run AERO interface) 1 GHz processor 1 GB RAM (ideally need 2 GB RAM) 40 GB hard drive, ppt download Windows Vista. Vista Versions Minimum Requirements (to run AERO interface) 1 GHz processor 1 GB RAM (ideally need 2 GB RAM) 40 GB hard drive, ppt download](https://slideplayer.com/4980742/16/images/slide_1.jpg)
Windows Vista. Vista Versions Minimum Requirements (to run AERO interface) 1 GHz processor 1 GB RAM (ideally need 2 GB RAM) 40 GB hard drive, ppt download
![Why Windows Vista only sees 3GB memory in a PC with 4GB RAM and how Vista SP1 fools its users – 4sysops Why Windows Vista only sees 3GB memory in a PC with 4GB RAM and how Vista SP1 fools its users – 4sysops](https://4sysops.com/wp-content/uploads/2008/04/4gb.png)