whats the point of four slots if they r only half the output sounds like consumers been forced to buy twice the chips they shu

[duckula]

my pc, shop bought, was working ish, but i bought a new pair of chips to increase memory but it crashed my pc. both new chips identical put into the two empty slots.

 

[Tradesman1]

Mixing DRAM from different packages can be and often is problematic, what CPU, mobo and the DRAM model #s, might get them to play nice with minor voltage and timings adjustments