Hello,
I have a TOSHIBA satellite p850 running on windows 8.
Three days ago, my laptop suddenly shuts itself down without any warning notice, just a click sound.
When i tried to turn it on again, it shows the toshiba logo for 10sec and shuts downs again. In some occasions it gets into the login page, after i entered the password and few seconds during desktop startup, it shuts down again.
Then, i refreshed my windows and the problem was gone, or so i thought. The problem came back that night, i suspected overheating and i opened the fan and cleaned the heatsink, but problem still persist.
i suspected the battery or AC power adapter is causing the problem (because my battery is in a bad health, and my AC power adapter is charging poorly as well). I tried turning it on with just battery attached, still shuts down itself. I tried turning it on with just AC power adapter plugged in, still shuts down itself.
I tried starting in safe mode it still shuts down. I tried hard reset, does not fix it. i tried manually shut down the laptop using shutdown /s /t 0, no avail.
I looked online, some say it could be motherboard problem but if it really is, can i even reach the desktop startup? It feels like software problem to me because it can stay at the login page for quite some time without shutting down (if i dont enter the password).
Any help would be greatly appreciated as my dissertation is due in 8 days!
Sounds like processor or overheating. When you log in. Your processor starts working hard and needs to be cooled down. If it is failing or overheating. It will shut off. When you turn your computer on can you hear your fan working. It may need a good cleaning. Heatsink may need some new thermal paste or the cpu may need changing
When i wake up in the morning, i turn on the laptop when its icy cold and it shuts down immediately within 5 seconds, i dont think it could overheat in 5 sec
The fan is working, as i mentioned, i just cleaned the fan yesterday. And after hundred times of shutting down and turning on, i managed to get it work like normal, but i assume the problem will come back the next time i turn it on again
If your not that good with computers. Than you may have already done more damage by opening it and cleaning it yourself. You need to get a technician to do it correctly.
I dont want to advise you to do anything. Because it is very easy to destroy other components in the computer.
Get thermal paste on there. And then cross your fingers that you didnt already burn up the cpu. If you didnt. Either way you will not need a way to check the temperature.
i dont think i would've removed the thermal paste, i just cleaned the fan and removed the dust from the sides of the heat sink, i just used hwmonitor and all four cores temperature are just 40 degree celcius.
I sad to say i dont have that piece of info because i've been trying to reach the desktop page for 2 hours but it just keep power off so i did not know whats the temp, but now its working normally for an hour without shutting down
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