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changing batteries, 300e, CASIO FX, casio g 300, casio fx 300

My Casio fx-300ES won't power on.

posted by sper56 on Mar 11, 2008

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I tried changing the batteries and that doesn't help. When I click "on" it does nothing. Any help?

Thanks in advance.

-Shane

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Best Solution

posted on May 27, 2008

agustin

Rank:

Master
Rating: 94%, 28 votes

2 causes for this kind of problem:

1. lose battery contacts
2. poor connection on its components on the motherboard. (needs to resoldered)

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