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<blockquote data-quote="chscag" data-source="post: 1013120" data-attributes="member: 46727">The logic board has to be completely removed in order to clean it in a manner that will remove corrosion and prevent any future corrosive action.&nbsp; The reason it has to be removed is that both sides have to be treated.Also... rubbing alcohol contains impurities and will not do a good enough job of cleaning.&nbsp; You would have to use denatured alcohol or a very pure acidy based cleanser such as pure vinegar.&nbsp; In reality, the board should be submersed or soaked in the cleanser for several hours.And... what was not mentioned to you is the fact that you're going to have to replace her keyboard assembly in addition to treating the logic board.&nbsp; It's easier to replace the keyboard than cleaning it.My opinion:&nbsp; Buy your girlfriend a new computer.&nbsp; She'll love you even more.&nbsp; <img src="/mac_images/images/smilies/Innocent.png"&nbsp; class="smilie" loading="lazy" alt="O:)" title="Innocent&nbsp; &nbsp; O:)" data-shortname="O:)" />Regards.</blockquote>

[QUOTE="chscag, post: 1013120, member: 46727"] The logic board has to be completely removed in order to clean it in a manner that will remove corrosion and prevent any future corrosive action. The reason it has to be removed is that both sides have to be treated. Also... rubbing alcohol contains impurities and will not do a good enough job of cleaning. You would have to use denatured alcohol or a very pure acidy based cleanser such as pure vinegar. In reality, the board should be submersed or soaked in the cleanser for several hours. And... what was not mentioned to you is the fact that you're going to have to replace her keyboard assembly in addition to treating the logic board. It's easier to replace the keyboard than cleaning it. My opinion: Buy your girlfriend a new computer. She'll love you even more. O:) Regards. [/QUOTE]

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