2 thoughts on “CompTIA A+ 220-701: 2.5 – Preventive Maintenance”

  1. At about 4:38 of Part 1 you say “… get that vacuum or compressed air to get rid of all that dust …”, but in the picture one of the bullets reads “Don’t use compressed air”

    1. It would have been better if bullet read “Don’t use compressed air unless absolutely necessary.” Compressed air blows dust everywhere, and canned compressed air isn’t good for the environment. If you can’t reach a section of the computer with the vacuum, then you may not have any other choice.

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