Thanks Steve and Rick. I'll have to look into those sites and see what's up with her tablet.
In the mean time, I'm trying to hook up her new printer to both her computers.
Is it "OK" to hook two computers up to the same printer via a USB cable that's got a split connector on it.
Like this one:

The end that disappears off to the right has a USB connector on it.
I'm just not sure what happens to the power part of the connections.