HP EliteBook 2570p Notebook PC - Manual (Page 45)

If your external monitor is not detected after pressing fn + f4 , and you have an AMD graphics card,
follow these steps:
1. Select Computer > More Applications > System > ATI Catalyst Control Center (as
Superuser).
2. Enter your root password.
3. Select Display Manager from the right pane.
4. Click the Detect connected displays button.
5. Your display settings can be modified by clicking your monitor in the dialog box, and then
selecting the Display properties tab or Multi-Display tab.
6. After the settings are configured, click Apply, and then click OK. Your computer may require
rebooting.
DisplayPort
The DisplayPort connects a compatible digital display device such as a high-performance monitor or
projector. The DisplayPort delivers higher performance than the VGA external monitor port and
improves digital connectivity.
1. To connect a digital display device, connect the device cable to the DisplayPort.
NOTE: To remove the device cable, press down on the connector latch to disconnect it from
the computer.
2. Connect the other end of the cable to the video device
3. Press fn + f4 to switch the image between the display devices connected to the computer.
PC screen only: View the screen image on the computer only.
Duplicate: View the screen image simultaneously on both the computer and external device.
Extend: View the screen image extended across both the computer and external device.
Second screen only: View the screen image on the external device only.
Each time you press fn + f4 , the display state changes.
Using video devices 35