Tobias Rosenberger

"If you own a new Mac with a i5 or i7 processor you will notice that under energy saver on system preferences "Automatic graphics switching"

Macs now have two graphics cards one is a lower spec internal card and one is a dedicated high end card. When the mac is plugged in it will use the powerful card by default and when it is on battery it will turn to the cheaper internal card to save power.

During this change over it will momentarily power down the USB ports.

The problem is if your laptops power gets interrupted in a gig by accident it can lead to a scenario where you get a drop out or loss of connection with USB devices.

To avoid this possible conundrum go to system settings, energy saver and untick "Graphics Switching"

This can also apply to some windows systems but is usually controlled in the BIOS. "

The Triplehead is powered via USB. Sigh...

"If you own a new Mac with a i5 or i7 processor you will notice that under energy saver on system preferences "Automatic graphics switching"
Macs now have two graphics cards one is a lower spec internal card and one is a dedicated high end card. When the mac is plugged in it will use the powerful card by default and when it is on battery it will turn to the cheaper internal card to save power.
During this change over it will momentarily power down the USB ports.
The problem is if your laptops power gets interrupted in a gig by accident it can lead to a scenario where you get a drop out or loss of connection with USB devices.
To avoid this possible conundrum go to system settings, energy saver and untick "Graphics Switching"
This can also apply to some windows systems but is usually controlled in the BIOS. "

The Triplehead is powered via USB. Sigh...


Beamer seems to loose signal for short time