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).
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
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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.
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.
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.
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.
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:
Click the Start button, right-click My Computer, click Properties, click the Advanced tab, and then click Settings under Start up and Recovery.
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:
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.
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.
Log on to the host computer as either an administrator or the owner.
Click Start, and then click Control Panel.
Under Pick a category, click Performance and Maintenance.
Under the or pick a Control Panel icon section, click System.
Click the Advanced tab, and then click Settings under Startup and Recovery.
Click to select any one of the following check boxes under System Failure:
Write an event to the system log
Send an administrative alert
At last if nothing works then clear the "Star up"
C:\Documents and Settings\All Users\Start Menu\Programs\Start up If you are not satisfied then If you are using XP then repair it.
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
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