Having problems with your Toshiba Satellite A105 Notebook ?

Instantaneous shutdown with no warnings!

\015 I have a toshiba Satallite A105 laptop, it shuts down instantaneouslywithout any warning or sign. I gave it to some repairshop thinking itwould be the overheating problem, they said that they cleared up thedust and everything. Now the fan seems to run fine, I can hear it! butthe problem came back after 4 days.. fan is still running fine! Don'tknow what is the problem now, sometimes it runs absolutely fine for30-45 mins before shut down and sometimes it doesnt even boot properlyand shuts down. Please suggest what could be the problem. Also, Ithought may be it's my battery which is causing the problem cuz it;sworn out totally, so i tried running it by removing the battery anddirect with the power source, but even that didnt help.. same issue!:(\015

Answers :

Software issue or error
Errors generated by software programs can cause a computer to reboot unexpectedly or without warning. If you are running Windows XP see the below section "For Windows XP users" before continuing. \015\012If you are not running Windows XP or following the below steps still cause your computer to reboot without warning. Boot your computer into Safe Mode, and let the computer run in Safe Mode.

If the computer is still rebooting in Safe Mode the issue is likely not software related but something else, skip to the next section. If the computer is not rebooting in Safe Mode it is likely you have software related issue. We would recommend you run through the basic troubleshooting section for your operating system.
\015\012For Windows XP users
\015\012Windows XP is designed to automatically reboot each time an error occurs such as a BSoD. Although this may be nice for errors that do not occur often, users who have a re-occurring error may wish to identify the error to troubleshoot it. Below are the steps on how this feature can be disabled and enabled in Windows XP.
\015\012From the desktop right-click on My Computer.
Click the Properties option.
In the System Properties window click the Advanced tab.
In Advanced click the Settings button under Startup and Recovery.
In the Startup and Recovery window uncheck the Automatically restart check box.
Click Ok.
Now if the computer generates and error it should not automatically restart and enable you to display any errors your computer may be experiencing.
\015\012Hardware issue or error
Any failing hardware component in your computer could cause your computer to unexpectedly generate an error and/or reboot without warning. If you have recently attempted to add a new hardware device, remove that device to make sure it is not causing your issues.
\015\012Make sure you are not encountering any hardware conflicts by viewing Device Manager for errors.

New drivers can also cause this issue, if you have recently performed any hardware driver updates you may wish to try an earlier version of the drivers.

If you have updated drivers and removed any hardware that could be causing this issue and continue to experience random reboots, it's possible that the memory is bad in the computer.

Finally, hardware devices that are not installed properly in the computer can also cause random reboots. Make sure all the cables and expansion cards are connected properly to the computer. The best way to determine this is to disconnect and reconnect all cables and expansion cards.
\015\012Computer virus
Computer viruses such as the blaster virus are written to reboot your computer without warning. Usually these viruses will make the computer reboot ever 5, 10, 15 or 30 minutes after the computer has booted.
\015\012If you believe your computer may be infected with a virus or are uncertain if your computer is infected with a virus make sure your virus scanner definitions are up to date.

Heat related issue
Many computer today are designed to turn off or automatically reboot if the computer, processor, or other device in your computer gets to hot. If you have heard any abnormal noises coming from your computer recently such as a high squealing this could indicate a fan may be failing in your computer.
\015\012You can first start by verifying the fan on the power supply is working by examining the back of the computer and seeing if the fan is moving and moving smoothly. For all other fans in the computer you will need to either open the computer and make sure the fan are working (processor fan and case fan) and/or if your BIOS monitors the RPM of the fans enter BIOS and make sure the BIOS does not report any errors.
\015\012Users may also be able to determine how hot their computer is by onboard thermal sensors, if your computer comes equipped with these sensors make sure your CPU is not running to hot.
\015\012Issue with operating system
If after following each of the above recommendations your computer still continues to reboot it is likely that you are experiencing a Microsoft Windows operating system related issue that cannot be explained. To help make sure this is the case please try the below steps.
\015\012Reboot the computer and enter CMOS setup as the computer is booting.
After you have loaded the computer in CMOS setup let the computer sit.
If the computer does not reboot while letting the computer sit in CMOS it is likely that you are in fact experiencing an issue with Microsoft Windows and it is recommend that if you have followed all of the above recommendations that you reinstall your version of Microsoft Windows.
I have recieved a Toshiba Satallite M35X-S111. It had no hard drive. I pruchaseda ahard drive a nd installedit. I assume it will work but when I push the on button...it starts up for about 3 seconds and shuts down. It just wont start up all the way. 3 seconds is all I get out of it. Powere cord and battery are fine. Any suggestions? Thanks
Repair Help & Product Troubleshooting for Toshiba Satellite A105 Notebook

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