Samsung LS23B370HS-ZM - Manual (Page 17)

2-3 Installing the Product
•Connect the [HDMI IN] port of the product to the [DVI] port on your PC using the HDMI to DVI cable.
The [HDMI IN] terminal is supplied for the HDMI-dedicated models only.
2. Connect the power adapter to [DC] on the rear of the product. Connect the power cord to the adapter and wall socket.
(The input voltage is switched automatically.)
When the product is connected to a PC, you can turn the product on and use it.