Solve : How to do a continuity test on a Macbook Pro?

1.	Solve : How to do a continuity test on a Macbook Pro?
Answer» How can I test the continuity (voltage in-out completion) On a Macbook screen specifically where the screen plug goes into the Macbook Motherboard? The Mac works when hooked up to an EXTERNAL display but it will not show a picture on its own display. Also there was water damage which is why Im not sure if it was video or not. Last thing is it doesn't have an installed Operating system. It starts at the install prompt for what Language. Any help would be appreciated THANKS a bunch, I know its a crazy very SPECIFIC question.I take it you are not an technician. How much water damage? What happened? Water damage has to be treated by professionals. Preferably the factory, which would be Apple or its representatives. Do you have a HOMEOWNERS policy? In some cases your HOME sower policy will pay for water damage if it was an accident or a disaster.

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