b1 and b2 ram slots not working - B-2 Visitor Visa: Here's Everything You Need To Know rich 888 slot

How to Easily Find Your Visa Number on a B1/B2 Visa Card ... When you receive your B1/B2 visa, the first thing you may look for is the visa number.

For example, you’ll get two blue slots and two black ones, or you’ll get A1, A2, B1, and B2. ... Divide your system’s maximum RAM capacity by the number of slots to get what RAM sticks you should buy.

Ram slots A1 and A2 not working, they worked before but then I took the PC apart and now they don't work anymore. The motherboard is MSI B250M Pro VDH B1 and B2 works just fine, I can enter windows and go on the internet and everything.