* John Hasler <[email protected]> [121210 23:27]: > You may find that pressing down or prying up on that part of the board > works as well as does the dryer. Inspect the suspicious area of the > MOBO carefully with a magnifying glass and then fix the crack or bad > solder joint.
The problem is that motherboards today typically are multi-layer laminates; if there is a broken trace on an inner layer, the break is not visible. But you bring up another possibility: the absorption of moisture may cause the motherboard to swell; this, together with an mounting screw which has been torqued a little too much, can cause conduction of current between traces within the laminate. When torquing motherboard mounting screws, use a jeweler's screwdriver (which typically has a barrel about 1/4 to 3/8 inch (5 to 10 mm) in diameter, and hold the screwdriver with your bare fingers. But do not leave the screws loose; they need to be set firmly -- else a screw may vibrate loose and cause an electrical short circuit. If you use a workman's screwdriver with a large handle or an electric screwdriver, you likely shall crush the motherboard beyond repair. RH -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
