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Toshiba turns itself off, not over heating.

2 yr old laptop that i've just reset to factory settings due to 'trojan infection?' continues to turn itself off. can occur as soon as i turn on for the day or half way through days usage. can take between 10 - 60 minutes to come back on. any ideas please. lorraine

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  • Toshiba Master
  • 27,725 Answers

Check to see if there are any keys stuck/depressed. If so, use a paperclip and fit it underneath the key and gently pry the end that is stuck. Make sure the laptop is off before attempting this. Observe where the boot process ends and starts over. In most cases, this will give an indication where the problem occurs. If the laptop reboots early on in the process, for example when it is detecting the hard drive, chances are good it is a hardware issue. If the reboot occurs further along in the process, like when it is loading operating system files, there may be an issue with operating system software. Test all power and data leads that attach to your hard drive SATA the leads from your (motherboard to your hard drive) make sure they have a secure dust free connections and are not faulty Make sure all leads that are attached to your drives dvd\cd have secure connections and are not faulty. even something as small as faulty fan lead can cause you problems computers need all of the data and power to travel through every working device and to have an end for a computer to be able work properly. Motherboard and a hard drive any leads between them will fail before your motherboard or your hard drive check all power and data leads make sure they are securely seated even the cd/dvd drives need to have current go through make sure these devices are working Check your computer ram modules for secure dust free seating you might even remove the ram modules to check for dirt on modules and in the module socket and cmos battery make sure it has charge and they are dust free and securely seated some motherboards cmos batteries are soldered in If your computer runs long enough scroll to bottom toolbar (bottom of screen) right click select task manager applications you will see whats running if you see anything you dont need running select end now and you might uninstall that specific program if you or computer does not require it to run and some unnecessary programs that could be running your computer over its limits causing memory dumps also under processes see what is ticking over in the background you might have a virus again if you see something you dont need to be and users you will see who is using your computer
You might need to add more computer ram if you're not sure if a module is right for your system use the Crucial Memory Advisor tool for a list of guaranteed compatible modules. first you will need to select the manufacturer from a drop down list then select your product line from a drop down list then select the model then click find it will take you directly to compatible ram also you will have an option to scan your system You should always ask for a guarantee on the compatibility of the ram before making any purchase Might be getting hot check you CPU make sure its securely seated and has thermal grease http://www.hardwaresecrets.com/article/Thermal-Compound-Roundup-February-2012/1490 Capacitors look like small metallic canisters and they are found in many different computer components including computer monitors, computer motherboards, video cards, power supplies and a variety of other consumer products. A bad capacitor can cause a variety of computer problems, but if you can identify the faulty capacitor you may be able to replace it and save your computer.

Capacitor
Capacitors, sometimes also called condensers, are used to store energy in an electric field. In the context of computing, capacitors are used to block the direct current being circulated around the motherboard. A typical capacitor should last up to 15 years, but some computer manufacturers use substandard capacitors resulting in shorter lifetimes. Computer Problems b> When a capacitor has gone bad on a computer you may experience a large range of problems. The computer may have trouble booting up, or it may shut down without notice after running for only a short period of time. The most common problems associated with faulty capacitors are that they cause unexpected computer crashes and general reliability issues ranging from read/write issues to distorted screen images. b> Identifying a Bad Capacitor b> To identify a bad capacitor you will need to open your computer case and locate the capacitors on your motherboard. A bad capacitor may exhibit swelling at the top or the base of the capacitor or it may sit at an awkward angle with the motherboard, so compare the various capacitors in your computer in terms of and placement. Additionally, a bad capacitor may have a funny smell or it may have a brownish residue leaking from the top or the base. b> Prevention b> Manufacturers claim that capacitors may go bad because a computer is not receiving enough power from a power supply, because of an overclocked processor or because a computer is operating in an environment with too much heat or humidity. However, some capacitors prematurely fail due to faulty work on the part of the manufacturer. If you have a bad capacitor be sure to do research as to the lifespan of other products made by your manufacturer. Identifying bad capacitors http://www.youtube.com/watch?v=ngA4k32jLGc Capacitor replacement http://www.youtube.com/watch?v=s0Pn2tEjY04 How to check a capacitor http://www.youtube.com/watch?v=U4tnHA0phcc Replacing a leaking capacitor http://www.youtube.com/watch?v=s0Pn2tEjY04 Could be a problem with the Hard Drive or the Hard drives PCB http://www.onepcbsolution.com/
Hope this helps. Hope this helps.

Posted on Jan 05, 2013

  • lorraine pieters Jan 05, 2013

    your reply is mostly over my head as far as tech. side. did check out minor things. thank you. lorraine

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Remove the AC cord and the battery from the notebook. Re-attach battery and AC cord and power up the notebook. This will clear the Ram memory and force the operating system to "Cold Boot", in other words start the operating system loading up from the beginning instead of resuming from Ram the last time it was active. This proceedure should restore your Gateway Notebook to normal operation. Post back your results and good luck.

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Toshiba Satellite l300 1ap windows 7


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If your model Toshiba laptop has a Restore partition on the hard drive then follow these steps to restore your Toshiba to the Out of the Box condition.
1. Press and hold the 0 (zero) key and at the same time, tap the power button once to switch on
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4. Select Recovery of Factory Default Software; click Next.
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How to restore fujitsu n6410 to factory settings


ok its very simple, just go to this link:
http://en.kioskea.net/forum/affich-58528-reset-toshiba-laptop-to-factory-settings

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Trojans


Possibly, but possibly not. I recommend downloading and running Spybot Search and Destroy which can be downloaded free here: http://www.safer-networking.org/en/index.html it's donation only, it isn't one of those sites that has you download a diagnostic and then tells you your computer is full of spyware, adware and viruses and to FIX the problem you need to pay them. It is absolutely donation only. After seeing how well it work I have chosen to make a few donations over the past year that I have been using it as an extra step to protect my computers. It has absolutely saved my PC and laptop from hidden Trojans that my F-Secure missed as well as my tech service.

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I've been at this all day and still have'nt gotten my laptop to reset to a factory default setting. Can you please guide me through this process, step by step. Thankyou.


You can always restore the computer to a point when it was working fine.
For a laptop when you say factory defaults we've two things
1)Factory defaults on the Bios - as soon as u turn on the laptop we press F8 key or DEL(depends on the brand of the laptop) to get to the BIOS and you've an option to revert to the factory defaults.
It is advisable not touch the BIOS if you are not sure about this firmware
2)The operating system (lik windows xp,vista & 7) there is nothing called factory defaults for this all we've is a installation of the Operating system itself. However we can revert or restore back to last know good configuration mode.


How to start your computer by using the Last Known Good Configuration feature To start your computer by using the Last Known Good Configuration feature, follow these steps:
  1. Start your computer.
  2. When you see the "Please select the operating system to start" message, press the F8 key.
  3. When the Windows Advanced Options menu appears, use the ARROW keys to select Last Known Good Configuration (your most recent settings that worked), and then press ENTER.
  4. If you are running other operating systems on your computer, use the ARROW keys to select Microsoft Windows XP, and then press ENTER

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To restore your machine back to the factory settings, just follow the simple step mentioned below. Be sure that you've backed up your personal files though before doing this because resetting your machine will wipre out any changes you have made on the machine.

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