There is no damage or tear to the monitors, cables, or sockets. When attempting to use the USB adapter, the cables are fastened to a USB3 socket. I have used the VGA cable without the adapter on both monitors and both transmit a signal. It transmits a signal with the other monitor, or without the adapter to the computer VGA socket. I have two monitors, one of which I cannot receive a signal from using a VGA to USB adapter. If your keyboard has brightness controls, press Option–Brightness Up or Option–Brightness Down.Do both monitors - one at a time - work from the VGA out port ?ĭo either monitor - one at a time - work off the USB adapter ?Īnd have you got the adapter plugged into a USB3 socket ?.Then double-click System Preferences, then click Displays. Press Shift-Command-A to open the Applications folder.Choose Apple () menu > System Preferences, then click Displays.INTPW USB C Hub, USB 3.1 Type-C to HDMI VGA Adapter with 4K HDMI, 1080P VGA, USB 3.0, PD Pass-Through Charging, Dual Screens Display for Mac Pro and Other Laptops with Thunderbolt 3 Port,Space Grey 4.3 out of 5 stars 114 $29.79$29.79 $39.99$39.99 Get it as soon as Thu, May 7.Other common connector types include DisplayPort, Mini DisplayPort, DVI, S-Video, optical audio, and 3.5mm. These adapters usually have an HDMI connector on one end and composite, component, RCA, or VGA adapter on the other end.

Mini DisplayPort to VGA HDMI DVI Adapter,Microsoft Surface Pro 6 5 4 3 Video Display Converter,Thunderbolt to HDMI VGA DVI Adaptor for Mini DP Mac,MacBook Pro,Air,MS Surface Book to Projector,Monitor 4.6 out of 5 stars 676.Use any of these methods to open Displays preferences: If the video on your HDTV or display extends beyond the borders of the screen, open Displays preferences and adjust the Underscan slider for a better fit.

Mac vga adapter not working