24 inch iMac Early 2009 – Use as monitor via Firewire

I’m trying to figure out how to use my old iMac as an external monitor for a windows laptop. I’ve read that it’s impossible since its Mini DisplayPort doesn’t accept input, but it seems like there’s a possibility that nobody has considered. Firewire 800 seems to be capable of carrying video signals, and the machine … Read more

When a powered USB hub is used, would we need to worry the power flowing from the hub back into the MacBook or iMac?

If I use a non-powered USB hub, the iPad Air or iPad Pro could be losing power over a few hours, because the charging power is not enough. However, if I get a powered USB hub, would it be an issue, say, if the USB port on the MacBook, MacBook Air, iMac is at 5.2V, … Read more