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Repair and disassembly guides for the Compaq Presario CQ40.

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Can I use ethyl alcohol?

can I use ethyl alcohol 70% to clean my device ?

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ethyl alcohol is for drinking. A 70% would be 140 proof. Just what do you have?

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I bought it from the pharmacy It's used for medical purposes And product name is (PURE Nautre's Purity)

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If its pure, then you should use it. My answer is YES!

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I would strongly recommend using isopropyl rubbing alcohol as, it does not leave as much of a residue as ethyl alcohol can. Electronics are very sensitive.

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Thank you for helping me. I will use ethyl alcohol in this period then Later I will try to get isopropyl alcohol to avoid any damage

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You can, but the high vapor pressure means it will evaporate much quicker than an alcohol more suited to cleaning like isopropyl. Make sure it doesn’t contain any other chemicals that could be left on the device when the alcohol evaporates.

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thanks for answering

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Please look at this question: What are Professionals Using for Screen Cleaning

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Amr Ateef will be eternally grateful.
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