IdeaPad Z500の取扱説明書・マニュアル [全90ページ 23.15MB]
ideapad_z500p500_hmm_1st_edition_sep_2012_english....
gizport - 2013-11-08
http://download.lenovo.com/.../ideapad_z500p500_hmm_1st_edition_sep_2012_english.... - 23.15MB
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30IdeaPad Z500/P500 Hardware Maintenance ManualFRU replacement noticesThis section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU.Screw notices Loose screws can cause a reliability problem. In the Lenovo IdeaPad computer, this problem is addressed with special nylon-coated screws that have the following characteristics:They maintain tight connections. • They do not easily come loose, even with shock or vibration. • They are harder to tighten. • Each one should be used only once. • Do the following when you service this machine: Keep the screw kit in your tool bag. • Always use new screws. • Use a torque screwdriver if you have one. • Tighten screws as follows:Plastic to plastic • Turn an additional 90° after the screw head touches the surface of the plastic part:more than 90(Cross-section)Logic card to plastic • Turn an additional 180° after the screw head touches the surface of the logic card: more than 180(Cross-section)Torque driver • If you have a torque screwdriver , refer to the “Torque” column for each step.Make sure that you use the correct screws. If you have a torque screwdriver, • tighten all screws firmly to the torque shown in the table. Never use a screw that you removed. Use a new one. Make sure that all screws are tightened irmly.Ensure torque screwdrivers are calibrated correctly following country • speciications.
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