Why my Macintosh Quadra 950 is not turning on?

Hi.

yesterday i found a old Macintosh Quadra 950 in my grandfather house.

I also found the mouse and keyboard and i was very excited to turning on. but when i connected all the various cable and tried to turn it on it happen this:

https://youtu.be/m2fO49GbsRk

Someone know whats the problem ?

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I don't know what that bumping sound is. Are you continuously hitting the power on button?

First thing to do is to replace the PRAM battery. It is a 3.6 holy 1/2 AA battery on the logic board.

Does it have a hard drive in it? Do you have any history on the machine?

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Comments:

yes i was hitting the button.

i take out the battery because it was leaking acid, and it makes a mess with the ram, only two survived.

yes it have the hard drive, but i don't know much of the machine, i only know it was not turned on for ages.

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Just hit the button once. It gets the message. Replace the battery. See if you can get a history. Use some canned air and blow it out.

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at the start the video i hit the button once, the only thing i know is that it has been staying for almost 6 years turned off in a humid place.

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