HP Pavilion g4-1311nr Notebook PC - Manual (Page 41)

If your external monitor is not detected after pressing 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.
Using video devices 31