Not enough juice. First, you’re going to want to look for the Thunderbolt symbol. Its a little lightning bolt that is—sometimes—used to mark a Thunderbolt cable or port. Often, though, it won’t be ...

DisplayPort connector symbol (left); Thunderbolt 2 (right) You can look at the squat Thunderbolt 2 jack to find a lightning-bolt symbol to ensure it’s not an earlier monitor that uses an ...

Not enough juice. First, you’re going to want to look for the Thunderbolt symbol. Its a little lightning bolt that is—sometimes—used to mark a Thunderbolt cable or port. Often, though ...