4.1 General 4 Replacement Procedures
PORTÉGÉ R300 Maintenance Manual (960-591) [CONFIDENTIAL] 4-5
While assembling the computer, remember the following general points:
• Take your time, making sure you follow the instructions closely. Most problems
arise when you get in a hurry assembling the computer.
• Make sure all cables and connectors are securely fastened.
• Before securing the FRU or other parts, make sure that screws or the FRU will
pinch no cables.
• Check that all latches are closed securely in place.
• Make sure all the correct screws are used to secure all FRUs. Using the wrong
screw can either damage the threads on the screw or the head of the screw and
may prevent proper seating of an FRU.
After installing an FRU in the computer, confirm that the FRU and the computer are
functioning properly.
Tools and Equipment
The use of Electrostatic Discharge (ESD) equipment is very important for your safety and the
safety of those around you. Proper use of these devices will increase the success rate of your
repairs and lower the cost for damaged or destroyed parts. The following equipment is
necessary to disassemble and reassemble the computer:
• One M2 point size 0 Phillips screwdriver
• One M2.5/M3 point size 1 Phillips screwdriver
• One screw driver for stud screw
• One 4 mm flat-blade screwdriver
• One screwdriver for TORX screw
• Tweezers (for lifting screws)
• ESD mats for the floor and the table you are working on
• An ESD wrist strap or heel grounder
• Anti-static carpeting or flooring
• A pair of needle-nose pliers
• Air ionizers in highly static sensitive areas
• Antenna coaxial cable disconnector
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