ram slot ✓ How to check RAM slots in laptop without opening

ram slot
A memory slot is a physical connector on a computer's motherboard designed to hold a memory module Memory modules come in various shapes and sizes, such asram slot I need to find out how many RAM slot via lshw command or greping proc don't want to open my laptop How can I find out?

ram slotSo in task manager, it says I used 6 GB of RAM and I want to reduce that I looked at the bottom and it says slots used: 1 of 2

ram slot The problem is that when have a memory stick in DIMM slot A1 or A2 and try to start the computer I end up with a black screen and the motherboard Q-code