Hi everyone! I'm having some issues with a recently acquired Apple 2 plus. When I boot it up, all I get is a screen full of ??@@??@@??@@. I removed all the expansion cards, no luck. I tried reseating all the ROMs and spraying their sockets with contact cleaning spray, still nothing. I tried wiggling some of the chips in their sockets, sone times I will get some other random garbage in the ??@@s. I checked with a picture online and all the ROMs are in the right places. Does anyone know what might be the issue?