Dell external display stopped after the replacement of graphics cards

How to reinstall Dell external monitor to display my MacBook Pro 17 2011? Monitor has ceased to recognize the computer after Apple Store replaced the graphics card.

(a) check and plug your adapter and adapter cable goes to the LCD screen

(b) select another resolution in the displays control panel by pressing OPTION when you click on "scaling".

(c) resets the monitor to factory conditions using the monitor Panel.

Try another LCD, or another cable or both.

If after trying this you get no video contact Apple and let them know your GPU replacement may be damaged.

Tags: Notebooks

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