Question Problems after ram upgrade

Jan 22, 2019
4
0
10
So i've bought ddr4 16gb (2x8) of ram to combine with my ddr4 2×4gb but after I put the ram inside my pc, it takes super long before I see something on my screen. When i see something on my screen i have to go to the bios first cause its telling me to and says that my system is unstable.
Thats my first problem.
My second problem is that my new 16gb of ram turns down the ram to around 2100mhz but the old ram and the new are both 2666 mhz (I checked it before I bought it). And yes xmp is set to 2666mhz.

So those are my two problems, im mostly interested in a fix for the slow boot up.
 
Jun 12, 2019
26
0
40
Mixing ram could be the problem, if you have 2 sticks on 4gb and 2 sticks of 8gb your pc may be slower and not function fully. if you had 4 sticks of 4/8GB I think it would be perfect.