MacBook Pro Mini Display Output Issue

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Hi,

I have a MacBook Pro and yesterday was watching a video clip on the TV via a HDMI converter and the Mini Display port. The battery died and since then I can not get any output via HDMI?

When I plug in the cable the laptop screen flickers but then back to the normal resolution and nothing on the TV?? Usually I connect the cable the laptop screen resolution reduces and the image come on the TV?

Any ideas?

Cheers
Louis
 
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Your Mac's Specs
MacBook Pro 15" 2014, 2.2GHz i7, 16GB RAM, 250GB SSD, OSX 10.9.5 - iPhone 5s 16gb
Make sure it is recognising the cable is there by looking in System Prefs > Display.

- Simon
 

chscag

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2017 27" iMac, 10.5" iPad Pro, iPhone 8, iPhone 11, iPhone 12 Mini, Numerous iPods, Monterey
In addition to Buzzard's reply, reset the SMC just in case.....
 
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Your Mac's Specs
MacBook Pro 15" 2014, 2.2GHz i7, 16GB RAM, 250GB SSD, OSX 10.9.5 - iPhone 5s 16gb
Glad you got it sorted out :)

- Simon
 
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Hi Simon,

Me again, unfortunately after two days I've lost my output again but this time resetting the SMC doesn't fix it this time?

In the tutorial it says
"Note: The LED on the MagSafe power adapter does not change states or temporarily turn-off when you reset the SMC."

When I reset the SMC the light does change? Its orange then I press the 3 keys and power and the light goes green, then after a few seconds back the orange?

Any ideas?

Thanks in advance
Louis
 

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