If your Mac has been sluggish lately, it can be hard to figure out the cause. Here are 13 potential reasons and fixes to improve your Mac's speed.

You don't have to waste time waiting for a slow computer to start up, instead, make some adjustments that will improve your load times Reviewed by Chris Selph Does it take forever for your PC to boot ...

A slow iPhone can be a pain to use, but the good news is that you can improve its performance with a little know-how.