Question about Toshiba Satellite A45-S250 Notebook
my toshiba sat a 45 fan did not work so I shut down the laptop after 3 min then I opeend the machine I saw that the cooling fan for the heatsink is brocken beause there was a short in the wire (yellow wire) then I tried to on it without fan it did not start I offed it after 30 seconds then put the brocken fan I mean bluged it also did not work. my thermal grease is very little almost dry the heatsink gets very hot when I oned pc for tese 10 seconds. just I see green light or some times the orange light of power blinks.
there is no toshiba service in my city and all others said mother bord might got brocken but they guessed they havent opened it and checked even. laptop doesnt smell bad even this cpu small chip doesnt smell I offed it fast though, so what should I do? if there is brocken fan it wont start? I mean the pc. if there is less oil it would burn the chip in 30 seconds of starting ? but why so if the fan even some times stops working for long time in usual working please tell me if there is something I can do to fix it
Sometimes depending on the version of BIOS there is a thermal shut down feature,If the CPU gets to hot it will shut the entire system down.What you can do is replace the CPU fan and apply more grease in between the heat sink and the CPU chip.If this does not solve your problem then you may have damaged the CPU.the best way to fix this is to replace the motherboard and CPU.Try replacing the fan first because if your computer has the thermal shut down feature then chances are that it protected the motherboard and CPU from any damage.Try the simple things first! GOOD LUCK.
Posted on Nov 15, 2007
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Nov 20, 2012 | PC Laptops
Shut down your Toshiba laptop, and then disconnect all cables. Close the
LCD lid, and then place the laptop face down on a flat surface. Position the
laptop with front edge facing you.
Locate the battery pack near the top section of the laptop's bottom
casing. Press on the battery release button. Remove the battery from the
Locate the cooling fan compartment cover. Its location varies from
laptop to laptop, but it will be the only hardware cover with a vent in it.
Remove the Phillips-head screws securing the fan's cover in place. Remove the
cover from the laptop.
Disconnect the fan's cable from its connector on the motherboard. Remove
the Phillips-head screws securing the fan in place. Lift the old fan out of the
fan compartment and set it aside. Removing the old fan will reveal the
processor chip. Apply a thin coat of thermal grease to the processor's surface
using a clean paper towel. This will prevent your new processor from frying
once you power on your laptop.
Place the new cooling fan assembly inside the fan compartment. Align the
screw holes on the new fan with the screw holes inside the compartment. Replace
the four retaining Phillips-head screws, and then reconnect the fan's power
cable to the motherboard. Replace the fan compartment's plastic cover, and its
retaining Phillips-head screws.
Replace the battery pack and reconnect all power cables and external
devices. Turn on your laptop to test the new cooling fan
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