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How to clean and maintain Acer Aspire 4920 ventilation system

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How to clean and maintain Acer Aspire 4920 ventilation system: crwdns2935265:00crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

  • This laptop was bought in 2008 and it have never been disassembled to maintain. Before maintaince, we should turn it off and unplug it for AC source.

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