If you put the memory in backwards it simply won’t fit, so don’t force it. The memory module has a small notch in it that should match up with a nub in the slot (see picture below). If you’re super-cautious, you could buy an antistatic wrist strap, but unless you’re working on shag carpet on a low-humidity day, you’ll probably be okay.Ĥ. Next, try to discharge any built-up static electricity by touching a nearby metal object, such as a file cabinet.