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Computer shutsdown and restarts automatically

My 2004 compaq logs off windows and powers down on its own then tries to start back up repeatedly. I've tried replacing the powers supply and a complete tear down and cleaning of all components nothing works. The computer works fine for about 15 minutes then logs off windows and powers down just to try and start backup again over and over. Its about made me pull my hair out I'm having the same problem with my Compaq Presario S4000V desktop as of about 30 minutes ago. The only thing I have done so far is to unplug the power cord so that the cycling would stop. (I'm writing this on my laptop). The OS is Windows XP, no new software or hardware, the powerup/powerdown cycling is a matter of 3-4 seconds( and it will not stay on), and Norton Internet Security is the installed antivirus software. My first assumption was that this was an overheating problem, since it is over 90 degrees outside and we have no air conditioning. However, it has been this hot many times in the past 5 years since we got the computer and the computer has never shut itself off and started tis cycling pattern before. The next thing I was going to try was cleaning out everything (last done about 4 months ago -- sort of necessary on a semiregular basis in a house with no central heat and air but with pets). Since it won't power all the way up without shutting itself off again, I can't start in safe mode (or any other mode, for that matter).

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  • Jane77 Jun 10, 2008

    Since the computer will not power up all the way, any potential "solution" which requires the computer to be on is not at all workable. After cleaning the computer (removing dust, etc.) with no success in powering up, we tried replacing the power supply. When that didn't help, we disconnected everything except the motherboard, and it still wouldn't come on. Thus we concluded that some component of the motherboard is faulty, and are replacing it. Thank you for your suggestions.

  • roshanlalms Dec 05, 2008

    IBM ThnikCentre is not loading Windows operating system and shutingdwon automatically

  • Anonymous Dec 10, 2008

    my computer keep restarting how to solve it?? thanks winnie

  • Anonymous Jan 07, 2009

    i'm having the same problem with my medion randomly shutting down and then trying to restart itself over and over can this have anything to do with a wireless mouse because it seems to shut down when mouse is in high use and when the mouse is turn off and computer is trying to restart the computer will shut down

  • Anonymous Feb 22, 2009

    My wife had the exact same problem. Thought at first power supply problem but found that problem was caused by a bad memory stick. Might not be your problem but something to look at. Pull RAM stick and problem gone, put it in another computer and had the same problem. It's in the trash now.

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Don't buy a compaq, they ****!

Posted on Dec 23, 2008

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Reseat RAM, CPU. if it no works, check CMOS batteries. might be dead. replace it

Posted on Jul 07, 2008

JUST CHANGE UR RAM AND RELOAD UR OS UR PROBLEM WILL SLOVE

Posted on Jun 12, 2008

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Goto the bios, (setup from boot up, del or F2...). There is control there for sleep and hibernate.. adjust the settings.

Posted on Jun 09, 2008

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Solution your problem
First you change powersupply if restrat problem is not solve then cheque RAM if restrat problem is not solve then cheque BIOS Battry And clear the BIOS & Go to BIOS load default setting Bios if restrat problem is not solve then install os if restrat problem is not solve then cheque mother board and restore the OS ok now will solve your problem
Yours
Pradip Sisodiya


Posted on Jun 09, 2008

  • Pradip  Sisodiya
    Pradip Sisodiya Jun 09, 2008

    and y see that CPU Heatshink is Heating now you put the gum or cream in your processor and Fan Heatshink

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Window can't log on?? when notebook on window logo display after few second computer is restart....any solution???


hello,

This problem can occur due to several reasons. And there are many steps that need to be taken care of. Try this step shut down the computer completely and then look for the F8 key on the keyboard once you locate the key hit the power button and then keep on tapping the F8 key until you see the start up options before booting into windows now try the options safe mode or safe mode with networking.

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Now try these steps and see if this works out. and if this solutions help and let you log in computer then go ahead and restore your computer to an earlier time.

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WHERE DO I FIND SAFE MODE IN LAPTOP OF HP 6735s


Enter Safe Mode at startup Follow the steps below to start Windows Vista in Safe Mode.
  1. Remove all CDs and DVDs from the computer.
  2. Restart the computer.
  3. At the first screen on restart, before the HP or Windows logo appears, press the f8 key repeatedly.
  4. When prompted, select the Safe Mode with Networking option.
  5. Log onto the computer with a user account that has administrator rights.
Enter Safe Mode when PC is operating If the computer can boot into the Vista operating system, follow the steps below to enter Safe Mode.
  1. Click Start , type msconfig in the search field, and then press the enter to open the System Configuration window.
  2. On the General tab of the System Configuration window, select Diagnostic startup .
  3. On the Boot tab, select Safe boot and click OK .
  4. When prompted, click Restart to start the computer in Safe Mode. If the computer does not restart automatically, press the Power button to turn the power on.
  5. On the Tools tab of the System Configuration window, select and launch the desired diagnostic tool.
The computer is now operating in Safe Mode. Exit the Safe Mode After completing the required troubleshooting and repair, follow the steps below to exit Safe Mode and return to normal operation.
  1. Click Start , type msconfig in the search field, and then press enter to open the System Configuration window.
  2. On the General tab of the System Configuration window, select Normal startup and click OK .
The computer restarts in the normal mode.

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1 Answer

My computer trys to turn on but just sits there on and off on and off


Does it show a blue screen? If so you want to disable the automatic restart so you can read the error message.
To run the check disk utility you will need a repair disc ora operating system disc. Put the disc in the cd drive and boot fromit. You want to get to the Dos Command Prompt (Black screen with whiteletters) and type the following command: chkdsk /r
Check disk will run well over an hour or two and you will notice thepercentages going from high to low, this is normal. Let it run tocompletion. Then reboot machine.

If check disk fails to solve your problem you might have to reinstall windows.Try doing a Repair Install that way you don't loose your data, documents,music, pictures, videos or programs.

In windows xp you get to the dos command prompt by selecting R for repair whenthe options appear.

In Vista and Windows 7 you want to get to the recoveryconsole and look down at the bottom of the window for the Dos Command.

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My laptop is turn off and on continuously but not proply on


If you have having boot problems and the system keepsrestarting, then turn off the computer, then hit the power button andimmediately start hitting the F8 key repeatedly until you see SAFE MODE. Scrolldown past Safe Mode and you will see an option to DISABLE AUTOMATIC RESTART.Take the Disable Automatic Restart option. This should allow you to see an error message if one is being presented.

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1 Answer

Laptop hp 8510p does not start up with windows 7. it just sits and recycles, never starting.


Follow the steps below to start Windows in Safe Mode.

Remove all CDs and DVDs from the computer.

Restart the computer.

At the first screen on restart, before the HP or Windows logo appears, press the f8 key repeatedly.

When prompted, select the Safe Mode

Log onto the computer with a user account that has administrator rights.
Type msconfig into the run box. Then choose LAUNCH SYSTEM RESTORE and restore back to a time all was well.

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3 Answers

My computer is frozen on the log-in screen. I am unable to type in my password and my mouse is frozen on the screen. .


Hi kechab,

I'm sorry that you're having trouble with your computer. In cases like this, manually restarting the computer is the first thing to try:
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  2. Press the power button once more to start the computer back up.
If the computer freezes again, and your computer is running Windows Vista or Windows 7, you might be able to fix the problem using the Startup Repair utility:
  1. Press and hold down the power button for several seconds, until you hear and feel the system power off.
  2. Press the power button once, then press F8 repeatedly until you see the Advanced Boot Options menu.
  3. Use the up and down arrows to select "Repair Your Computer" and press "Enter."
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I hope this helps!

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1 Answer

I can't shut down my PC,It restarts again!


This behavior may occur if Windows stops responding during a typical operation or during the shutdown process. By default, the computer is configured to automatically restart when Windows stops responding. To view this setting, follow these steps:
  1. Click the Start button, right-click My Computer, click Properties, click the Advanced tab, and then click Settings under Start up and Recovery.
  2. Under System Failure, view the Automatically restart check box. If the Automatically restart check box is selected, Windows automatically restarts if the computer stops unexpectedly.
If your computer constantly restarts while you are using it, or if you are trying to shut down the computer after it has stopped unexpectedly, click to clear the Automatically restart check box. If you clear this check box, you receive an error message when the computer stops responding. This error message may describe the cause of the problem. You can also review the system log in Event Viewer to view the critical stop error that occurs when the computer restarts. For additional information, click the following article number to view the article in the Microsoft Knowledge Base: 308427 (http://support.microsoft.com/kb/308427/ ) HOW TO: View and manage event logs in Event Viewer in Windows XP To configure the way that Windows responds when the computer stops unexpectedly, follow these steps.

Note: You must be logged on as an administrator or a member of the Administrators group to complete this procedure. If your computer is connected to a network, network policy settings may prevent you from completing this procedure.
  1. Log on to the host computer as either an administrator or the owner.
  2. Click Start, and then click Control Panel.
  3. Under Pick a category, click Performance and Maintenance.
  4. Under the or pick a Control Panel icon section, click System.
  5. Click the Advanced tab, and then click Settings under Startup and Recovery.
  6. Click to select any one of the following check boxes under System Failure:
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    • Send an administrative alert
    • Automatically restart
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  7. C:\Documents and Settings\All Users\Start Menu\Programs\Start up
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To immediately fix these errors start the Windows Audio service as follows:
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your infected with a virus. the easiest way to remove the virus is to scan your hardrive in another computer with updated antivirus.

Jan 28, 2009 | Computers & Internet

1 Answer

Computer shutsdown and restarts automatically


Hello,
For solving the proble do the following:
1. Check that all the power connectors are fixed properly without loose contacts
2. Replace the RAM with another and also by changing the slot.
3. If you had installed any Software or Hardware remove them
4. Restart the system and enter by safe mode once
5. Again restart the system normally

Let me know if your problem is solved and rate me as FIXYA!

May 13, 2008 | Compaq Presario S6300NX PC Desktop

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