Upon usiing regular usage on internet no games desktop system unit shuts down on its on. Will let cool off for couple of hours system unit starts up with no problems tends to do this when in use for a couple of hours plugged in to wall outlet. Have tried to unplug and replug but system unit keeps shutting off upon being powered up.
email firstname.lastname@example.org my name is Orrin
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Assuming the battery isn't failing or the power supply isn't bad, the laptops cooling system may be clogged with dust causing overheating and sudden shutdown to prevent damage to the CPU. You may be able to blast the dust out with compressed air but the chunks of dust could actually block up the fan, keeping it from spinning, and make things worse! Best solution is disassembly of the laptop to get better access and do a complete cleaning..
The problem is due to System startup failure. It could be due to many reasons like abruptly shutting down the system, Services not starting, Malware or trojans infection, Corrupt Hard drive, corrupt system files,etc.
Method 1 : Start your system by pressing F8 upon startup. Select "last known good configuration that works" Check it it can get you to your Desktop. Reboot the system,everything will be fine.
Method 2 : Start your system by pressing F8 upon startup. Select "Safe boot" Check if it can get you to your Desktop. Now, Click Windows startup button Select "All programs" Select "Accessories" Select "System tools" Select "System Restore" and try to restore the system in an ealier point. your system will reboot now and check if it works fine now.
Method 3 : Download "Hiren's Boot CD" Below is the link http://hirens.longcomputerservices.com/Hirens.BootCD.10.1.zip Extract the zip file using Winzip or Winrar. Burn the ISO image file with Nero or PowerISO in a CD. Boot the system using that CD ( Set your BIOS to boot from CD-DVD Drive) Select "Windows XP Mini" upon startup. Use tools that are available in the CD
It will most probably solve your problem. If the problem still persists Use can always Backup your important files using that CD to an external USB Drive or to any Network Share location.
Toshiba's are notorious dust collectors, try blowing back through the air vents and some clever use of the vacuum cleaner on the intakes can bring it back to life. also check the RAM for dust and dirt on the pins and clean as required. USE ANTI-STATIC Precautions!
do you have audio drivers installed?
you can try here http://www.csd.toshiba.com/cgi-bin/tais/su/su_sc_modSel.jsp
they have 3 kinds of p30 and i of course dont know which one you have
so what you want to do is select portables->satellite->(whatever p30 you have) then click go then finally go to downloads and search for your sound drivers