Question about HP Media Center PC 873n (P9875A#ABA) PC Desktop

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My computer keeps rebooting and will not even let me start it up in safe mode.I blew the dust out of it and it restarted and let me into the desk top for about 5 minutes but then shut down before I had a chance to do anything with it.Started rebooting all over again.Any suggestions.

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  • nerved Oct 22, 2008

    I did check the fans and they were working properly.I unplugged my computer and plugged in the non working one and it still did the same thing.I finally got it to stay running and did a quick system restore and the computer is up and running.The problem i have now is there is a corrupt file c;\$secure.I did a chkdsk utility on it and it showed there was a problem but it could not finish in read only so now I am stuck again.Thanks for any help.

  • Anonymous Mar 19, 2014

    boots up the shuts down and reboots

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  • HP Master
  • 6,487 Answers

Constant rebooting of a computer can be cause by alot of reason the most common for this is due to oevrheating, to check if this is a overheating problem try to open the case of the tower and put a electric fan in front of the tower to coll it down then power ON thecomputer and if it booted up fine with a electric fan blowing on the tower we're sure that you need to add some colling device on the computer tower, But if still do the same thing the problem here is the power supply unit it needs a replacement already....

Posted on Oct 22, 2008

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Computer comes on and is fine for a while then just cuts off,then turn it back on then its fine for a while then cuts back off.


Hello

To start with, you should check all your hardware. A loose connection somewhere or a faulty piece of hardware could be the reason, the computer keeps rebooting itself. In case your RAM stick is not fitted properly, or is corrupt, the computer displays an error message on the screen and keeps rebooting itself. The same problem occurs with a hard disk. You can use 'Memtest86' to run a hard drive check.

You may at times come across an error message on your screen, like a system failure error, before rebooting by itself. There is a particular solution to this type of problem. You should first go to the My Computer icon and right click on it. Select properties, and a window will appear on your screen. Click Advanced tab → Start Up and Recovery → Settings. After clicking the settings option, you will have to uncheck the box next to Automatically Restart. Click OK twice. This will prevent the computer from rebooting itself and you can redress the issue.

A different way to tackle the problem of 'computer keeps rebooting itself', would be to restart your computer in the Safe Mode. Allow the computer to boot fully and let your windows operating system load fully. Now, if your computer keeps rebooting itself even in the safe mode, there is a problem either with the operating system or hardware. And if your computer is not rebooting itself in safe mode, the problem is related to certain software.

Over heating is another reason why your computer keeps rebooting itself. Not many people pay attention to this aspect though. The fan responsible for keeping the CPU cool, may be malfunctioning or there could be dirt settled between the fan and CPU. Any one of these could be the reason for your problem. Either clean the fan area, or replace it if necessary. Try providing proper ventilation for your CPU, so that it stays as cool as possible.

You computer could reboot on it's own if you have installed improper drivers. Right click on the 'My Computer' icon, and click on 'Properties' from the menu list which appears. A new window will open. Select the 'Hardware' tab, and click on 'Device Manager'. A list will be displayed on the screen in which you will have to check all categories. Is you see any red or yellow warning icons, make sure you update that particular driver from the internet.

Dec 13, 2010 | PC Desktops

2 Answers

My lenovo keeps rebooting..when I select ''last known'' it shuts down and restarts the process again


Try to see if you can boot up the computer into safe mode. Keep pressing the F8 key as you turn on the computer and when it gets to the boot menu choose "Safe Mode".

If you can get into safe mode then go into the start menu and go into the system tools folder and then choose system restore. Choose a date on the calendar when the computer was last working properly and let the system reboot and hopefully that will take care of the issue.

If you can't get into safe mode or windows normally then that means windows is corrupted and you'll need to wipe out the drive completely and reinstall the OS and device drivers.

Dec 10, 2009 | PC Desktops

1 Answer

Keeps freezing up and sometimes it just restarts


Restart your computer when it turn on click F8 then the Safe Mode Screen comes up use your keyboard.Enter on Safe Mode with Networking it will show two User Account's click on your's then start removing unwanted programs then reboot your computer.

Oct 17, 2009 | Compaq Presario 5000 PC Desktop

2 Answers

Laptop keeps restarting


  1. See if you can start in Safe Mode (hit F8 before Windows loads - best way is to keep tapping F8 after you power it on. You should get a menu with "start in Safe Mode" as an option.
  2. Once booted in safe mode go to Control Panel, System, Advanced, ;Startup and recovery'.
  3. Click the Settings button and remove the tick from the "Automatically Restart" box.
  4. Click all the OK's to get back to Control Panel.
  5. Reboot as normal and the system should display an error code. Post that error code here and we can have a look at it.

Sep 07, 2009 | Compaq Presario 5000 PC Desktop

3 Answers

Compaq desktop freezes on me when am working


check the viruses in your system why freeze that... if the same problem after that try to reinstall the os

check another parts

Jun 07, 2009 | PC Desktops

2 Answers

COMPUTER KEEPS ON REBOOTING ITSELF.


Supose you have allready tryed to change "restart the computer" to "shut down the computer" when you shut down the computer?
 
/Teis

Jan 04, 2009 | PC Desktops

1 Answer

When I log on my computer it will restart


Reboot to Safe Mode and select "Last known good configuration"
To go to Safe Mode: while rebooting keep tapping on F8

From within Safe Mode, you also can access the System Configuration Utility. In WinXP, click Start and Run, type sysedit in the Open field, and press ENTER. In Vista, click Start and then type sysedit into the Start Search bar. Press ENTER or click sysedit.exe when it appears in the Programs menu.

You can also uninstall programs that you installed which probably caused the issue to happen in Control Panel > Add/Remove Programs or do a System Restore.

Jan 04, 2009 | PC Desktops

1 Answer

Computer keeps restarting itself


If you are running XP, try starting in the Safe Mode. To access this, at AC power on, start tapping the F8 key; this should bring up a short text menu that gives you the Safe Mode option. If F8 doesn't work, try F5.
If you can get your desktop, open the Start menu, then All programs, then Accessories, then System Tools, then System restore.
If you have had your Restore feature turned on (it is by default) you chouls be offered the chance to restore your system to an earlier date. These will be shown on a calendar in bold if there are earlier backups available 
Choose a date a couple of days before your fuse blew. This restore routine does not lose any work of yours, but essentially checks and replaces corrupt system files and your settings before the roof fell in.

Nov 29, 2008 | E-Machines eMachines Desktop PC

2 Answers

System will not load, keeps restarting ,will not go into safe mode


it may be cycling, when the system reboots, press and hold the power button, to completely switch off, then turn back on as normal

Aug 17, 2008 | Compaq Presario 5000 PC Desktop

1 Answer

T1100 emachine - restarts at windows logon screen


Have you made any hardware/software changes lately? If answer is no, reboot the pc and hit F8 a couple times. This will give you a list of options. Use your arrows and highlight last known good configuration and hit enter. See if your pc boots ok. If you don't have that option or it doesn't boot ok, Repeat the process to get the list. Use the arrow keys to higlight Safe Mode and hit enter. Your pc should boot to safe mode. Click on Start>progams>accessories>system tools>system restore. Choose a safe date about 3 days ago and do a restore. Wait until it's done completely! and see if it's working ok. If this fixed your problem please rate as fixed. If you need more help with this just add a comment and I'll be glad to help out. Thanks.

Apr 11, 2008 | PC Desktops

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