SOLVED: Two RAMs not working together

ram not detected in slot 2   Dan ramses revenge slot

How to Use Speccy to Find RAM Slots · When it launches, you'll see an overview of system hardware — click RAM from the list on the left Speccy

I discovered that RAM Slot A2 does not work Both RAM Sticks work as I tested both of them in SLOT B2 So, at the moment I am only using one try reseating the ram sticks first if that doesnt work then take the ram out and boot the system with one stick try this with every ram slot

slot 168 hi guys, my friend told me his laptop come with 8GB of ram 2*4GB, everything run normally but then few days ago, his Dell G3 3590 only I hear about this frequently The computer did not have RAM in the slot from the factory, and