Toshiba PORTEGE M300 Maintenance Manual page 237

4 Replacement Procedures
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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:
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One M1.4, point size 0 Phillips screwdriver to remove and replace screws
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One M2, point size 0 Phillips screwdriver to remove and replace screws
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One M2.5/M3, point size 1 Phillips screwdriver to remove and replace screws
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One M5 hexagonal screwdriver
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Tweezers, to lift out screws that you cannot grasp with your fingers
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ESD mats for the floor and the table you are working on
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An ESD wrist strap or heel grounder
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Anti-static carpeting or flooring
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Air ionizers in highly static sensitive areas
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Antenna coaxial cable disconnector
PORTEGE M300 Maintenance Manual (960-504)
4.1 General
4-5