M mysticggwp Oct 16, 2020 6 0 10 0 Oct 16, 2020 #1 Hello there ! I've upgraded my Lenovo V130-15IKB with 8gb of kingston ram . Before that the laptop had 4gb of build-in 2133Hz ram but after the upgrade it only detects the kingston 8gb. Where those 4gb gone ? Thanks in advance !