external hard drive crashing my Mac
I have a 10 tb Lacie external drive and have it install on my Mac the system locks up
I have out external drive working find
I tying connecting to another Mac and same issue
seem like the mark drive is bad, although I can open it at first but over time the computer lock up
Try to run disk first aid but say can not unmount
any ideas before I erase it and/or trash this hard drive
Thanks
MacBook Pro 15″, macOS 10.13