Laptop is on but display is not.

I have plugged in an external monitor and pressed the switch to another display button (f5) but even still it refuses to put out a display on both the laptop screen and my external monitor.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

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crwdns2889612:0crwdne2889612:0 0
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