Apple logo not displaying on my MacBook Pro 2009

"Apple logo not displaying on my MacBook Pro 2009: no apple logo on my macbok pro 2009"

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No Apple Logo:

OK. So, can you please emphasize on this? When you power on your Mac, do you get a boot chime? Is the screen just black? You might need to disconnect an external monitor. Or are you saying the Apple Logo on the back of your Mac is not lit?

You haven’t given us much detail here.

But you might start by taking a look at this guidance from Apple: If your Mac doesn't start up all the way - Apple Support