![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-msinfo32.png)
Why Windows Vista only sees 3GB memory in a PC with 4GB RAM and how Vista SP1 fools its users – 4sysops
What will happen if we use more than 4GB of memory in a 32-bit system? Will the system be able to use more than 4GB? Under what conditions can a system have
![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)
Why Windows Vista only sees 3GB memory in a PC with 4GB RAM and how Vista SP1 fools its users – 4sysops
![CMS 2GB (1X2GB) DDR2 5300 667MHZ NON ECC SODIMM Memory Ram Compatible with Ibm Lenovo Ideapad Y330, Y510, Y430 2781-73U/2781-74U Pc2-5300 - A38 - Walmart.com CMS 2GB (1X2GB) DDR2 5300 667MHZ NON ECC SODIMM Memory Ram Compatible with Ibm Lenovo Ideapad Y330, Y510, Y430 2781-73U/2781-74U Pc2-5300 - A38 - Walmart.com](https://i5.walmartimages.com/asr/cf2bbd7b-e8ee-4a30-901d-bcc4246517f9_1.bd9d319ee1bebb8369a7785f734b7f1f.jpeg)