My sons computer shuts down in the middle of doing homework on a word document for no apparent reason. When we restart the computer all of the folders and shortcuts are gone from the desktop. He is disabled and uses an onscreen keyboard. We thought that might be the problem so we tried another onscreen keyboard. Same thing happens. The school has sent home 3 different computers. Problem happens on all of them. Sometime right away sometimes after several hours. What could be causing this? The school thinks he is doing this on purpose. He definitely isn't. Problem is...it only happens at home.
Please help us.
If it only happens at home, then there must be a condition. Make sure that the computer is in a good place with lots of ventilation. The on screen keyboard may use a lot of processing power and so the computer is overheating and then shutting off. If its a laptop, sometimes they like to be propped up on some books so some ventilation can get into the bottom.
Are these computers laptops? Desktops? It could be a power bar issue so try using a different bar, or try moving the computer into another room all together, it could be the electricity in that room. Or the computer may not be plugged in properly if its a laptop...it isnt receiving enough power so it uses the battery until its dead then turns off, check the battery status at times.
I'm not sure what would cause the icons and folders on the desktop to disappear after a restart unless you logged into it differently. If a computer crashes after you place icons on the desktop, it doesn't save the settings of the desktop and so the icons may disappear.
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Step 1: There are a variety of reasons you may need to reboot a Lenovo laptop. These can include the installation of a new program, the dreaded blue screen of death or to free up memory that has been hijacked by a program that is now closed. There are three ways to reboot and all are simple to accomplish.
Click on your start menu button on your screen. Click on "Shut Down" or "Turn Off Computer." Click on the drop down box if you are running a version of Windows before XP (such as 2000 or 98). Select the "Restart" option and then click "OK." On XP or later versions, click on "Restart." The laptop will then reboot. Press and hold down the "Alt," "Ctrl" and "Shift" keys simultaneously. This will bring up the Task Manager. Pressing and holding the same keys again will force the computer to shut down. Press the power button to reboot the computer. This feature should be used when the mouse has stopped working and you cannot access the start button. Hold the power button in the "Off" position for approximately 5 seconds. This will force the machine to shut down. Press or slide the button again to reboot the laptop. Use this process when you get the "blue screen of death" or the computer is not responding to either the mouse or the keyboard.
There could be and issue with what is call collision which is rare but happens when the router is located in a spot where both computer are use at the same time but the most dominantly used computer will take up the bandwidth and the other computer will be shut down to restart. Another issue may be a virus in the system. Gaming sites or place on the internet that are scanned with your anti virus software will cause shutdown. To protect the PC. Usually you will get a warning that "this site is unknown" and the PC will go into shut down due to the firewall settings. 1. check the location of the router and see if you can relocate the router to the upper floor. 2. check your sons computer for viruses 3. scan your computer also 4. Download a program call Ccleaner for registry cleaning. this is found with a Google search for the official site. This program usually will clean you "temp, file, history and etc if set properly. Instruction how to use is on the site and in the program. 5. check your anti virus software settings 6.
a reboot is always a last resort!!! a better option to remove a program is to access control manager by pressing ctrl, atl, delete at the same time. when the prompt window is opened look through both processes and services tabs for anything related to the program hit stop process then just go to start>control panel>add/remove program. if that doesnt work restart your computer in safe-mode. if its a vista hit the power button let it rest for a sec then restart it. since the computer was improperly shut down it will ask if you want to start windows normally. don't instead choose start in safe-mode when it starts everything related to radial point will be shut down making it easy to remove the program through control panel. if you still whish to reboot shut down your computer by opening the start menu and in the lower right corner select restart. when the comp. restarts and the logo appears hit f8 quickly (you only have about 5 seconds before it restarts normally) choose boot with disk insert your start up disk and the computer will restart and all non-default programs will be lost. radial point will finally be defeated but at what cause? at what cause!!!??
This may be because your downloader software's setting has been configured to shutdown after download completes.
If this is not due to settings then your computer is infected. You need to reinstall your Windows OS.
If you have more question you can ask
First, run a scan disk/check disk option. You usually get prompted for this upon a reboot.
Second, if that doesn't work, windows is smart enough to create a few restore points when new drivers/updates are installed. Open up an explorer window (like my computer or my documents, not internet explorer) and press F1 for the help display. Search for system restore. It's very user friendly, so it should be pretty easy to find it