i have macbook exhibiting startup-beep 3 repeating short beeps, search indicated caused ram issues. it's older machine running snow leopard 1gb of ram (awful, know, budget college machine , i've since upgraded 4gb on newer mbp).
re-seated ram sticks, same issue.
tested each stick in each slot, , machine starts fine 1 stick installed. both slots work both sticks, 1 @ time.
pair won't work, no matter how switch them up.
caused by?
what specs of ram , machine... maybe machine cannot handle much... know macbook take 4gb (2x2gb) supports 3.3gb.... use this.... yours may not able support tho..
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