HP Computer User Manual page 19

2. Press f4 to alternate the screen image between four display states:
NOTE: Depending on your model, the function key for this operation may vary.
Laptop display only: View the screen image on the computer only.
●
Mirror displays: View the screen image simultaneously on
●
device.
Extend: View the screen image extended across
●
External monitor only: View the screen image on the external device only.
●
Each time you press f4, the display state changes.
If your external monitor is not detected after pressing f4, follow these steps:
1. Click the System menu icon at the far right of the top panel, and then click Displays.
2. Click the Detect Displays button.
3. Slide the On/Off slider button to On beneath the display layout. If the default monitor is not
detected, set the resolution and the refresh rate using your external monitor specifications.
Change the rotation if desired. If the display requires mirroring, click the Mirror Displays check
box.
4. After the settings are configured, click Apply, and then click OK.
both
the computer and external
both
the computer and external device.
Using video 11