Question about Toshiba Satellite (K000004080) Motherboard
Laptop will not power-up when on/off swith is depressed. Have tried removing battery with out success. Can the switch be repaired or is a new mother board required?
If you haven't given up on your computer the solution maybe not the switch, but something loading the internal supply. The most common piece to fail is the cpu. The failure is usually from excessive heat with the cooling path clogged or not letting the air to get the opening on the bottom for the fan. Also as laptops get older the cpu's heatsink grease needs to be cleaned off and new heatsink grease put on and at the same time a thorough cleaning of the heatsink fins. If the cpu fried you may see some brown hazing on it surface.
Posted on Mar 30, 2009
Some of the manufacturer used the same switches, so try to find another one which is actually the same but fit to that part, before buying of new board
Posted on Jan 16, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
The most common way that most of us know on how to reset or clear the BIOS password is to physically remove the power from the computer by disconnecting the power plug and then removing the cmos battery for 30 minutes from the motherboard. Another way is to reset the clear CMOS jumper on the motherboard itself. Both of the 2 methods mentioned works because most motherboards use a battery to sustain the BIOS/CMOS settings for the motherboards PROM chip. So by cutting off cmos the battery power, the BIOS/CMOS settings will be erased. Hope this helps
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