Having problems with your Toshiba Satellite 2435-S255 Notebook ?

Toshiba 2435 s255 notebook shutsdown and fan runs on high speed

\015 My son-in-law has had my toshiba 2435 S255 laptop for over a year and it worked Ok.... windows XP. About 2 months ago it started running slow so he uninstalled the AVG that I had in it. Then he said the 2435 would just shutdown after sometime and the bottom was hot. So I just picked it up and I started it using F8 to get into the BIOS. When I got to the BIOS menu I just let it stay on and after about 12-14 minutes it would shutdown. The fan ran at high speed all the time from start-up. I did not take a chance to install antivirus because I was worried it would shutdown before loading. The computer was also used by the kids but it seems in nice condition..... no abuse or anything broken. I would also need to know where to get the info to remove the bottom to get to the fan and heatsink if you feel that is the issue. I have gotten into windows but it is extremely slow. It does power on NO problem. Thanks for any help in solving this problem for my kids. Joe.... I have experience for years in repairing and upgrading and removing viruses from desktops but not a laptop.\015

Answers :

Overheating problem is caused by faulty fan and or the fan and heat-sink assembly is clogged with dust.
\015\012When the CPU overheats, it goes into thermal shutdown and won't boot up again until the CPU has cooled down. If this problem is not fixed, eventually the CPU will fail completely. The fan must spin freely, if not replace the faulty fan.
\015\012Check the fan and heat-sink and loosen and vacuum/remove the dust from the fan and heat-sink assembly. Depending upon the model of your Toshiba, the fan can be accessed from the bottom of the laptop or you may need to remove the keyboard to get at the fan and heat-sink.
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