Mac Pro External HDD disconnect itself.

mavericks7913

Suspended
Original poster
May 17, 2014
812
281
When the computer go to sleep and then turn on, the external HDD always disconnected which cause some issues. Are there any way to prevent this issue?
 

JohnDS

macrumors 65816
Oct 25, 2015
1,185
244
System Preference > Energy Saver
Uncheck "Put hard drives to sleep when possible"
 

LiveM

macrumors 65816
Oct 30, 2015
1,131
518
There is a known issue with this. If it's disconnecting it might not be related to the Energy Saver settings.