I can't get my mac with High Sierra to read my external hard drive and sd card reader
Help I cant get my external HD and SD reader to show up in devices and or the desktop
Tanja,
1.. Shut the machine down.
2.. UNPLUG the power lead to the computer and any peripheral devices.
3.. leave it for 10 minutes.
4.. Hold power Button in for 10 seconds
5.. Connect back up and reboot.