[SOLVED] Only half of memory usable

Oct 7, 2020
19
1
15
Hello,
I am having an issue with this computer I recentley got. It has 4gb of DRR3 ram install but in task manager only shows 2gb usable.
 
Oct 7, 2020
19
1
15
I am running windows 64 bit but the board was running windows 7 before I have updated the bios but cant get the chipset drivers to update could it be the chipset drivers from windows 7?