Tôi đi qua Forrester và công ty của ông như tôi đã bắt đầu nghiên cứu cho cuốn sách này. Một trong các máy tính xách tay trong văn phòng của tôi - một đáng tin cậy Cổng Solo 2500 SE - đã từ bỏ Mặc dù thị trường cung cấp một số phần mềm tường lửa rất có khả năng, | 166 Part III Laying Hands on the Major Parts You can purchase cans of compressed air at computer photo video and artist supply stores. Be sure to follow instructions for use don t shake the can or turn it over always hold it upright to avoid spraying out any of the propellant in liquid form. The spray from canned air can be very cold as it converts from liquid to gaseous state. Take care not to spray the LCD screen which could cause it to temporarily freeze and possibly crack. You can also use a vacuum cleaner but be careful not to use a superpowered system that might suck up a key or cause damage to the LCD screen. Keep the vacuum s nozzle or brush an inch or so away from the keyboard. You can also purchase a small handheld vacuum specifically intended for cleaning a computer although you might be able to find better uses for your money. Scrub. Clean the keys with a damp not soaking wet lint-free cloth or swab. You can use water or a specialized keyboard cleaning solution. You can also mix your own solution with water mixed with 50 percent or less of isopropyl alcohol. Follow up by gently drying the keys with a damp cloth. Don t use an industrial-strength solution an ammonia-based cleaner like Windex or any other off-the-shelf preparation other than a keyboard cleaner . These solutions could discolor or degrade the plastic and possibly leave behind an electrically conductive residue. Getting tipsy If despite my entreaties and those of everyone you know and love you manage to tip a glass of sticky cola or a cuppa java on your keyboard don t panic . . . but act quickly. If the machine is turned on shut it off immediately in the case of a major spill don t even bother with an orderly shutdown of Windows just shut off the power. Unplug the power cord and remove the battery to eliminate all sources of electricity. Start by wiping down the keyboard with a damp lint-free cloth. Use just enough water to get at the mess and make repeated passes. You can use a small clean .
