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

4 Answers

My computer keeps rebooting itself.

A few evenings ago I was working on my computer (emachine) with no problems. The next morning it was frozen with on 'countdown' screen to reboot. I had to hard boot to get it to do anything. When it starts booting, the E logo comes up with my options to go to bios etc.... then it goes to the countdown screen. Whether I chose to boot normally or using last good config, it would just repeat the process of going to E logo screen. I got frustrated and turned it off for most of the day. When I turned it back on, it did the same thing, but this time when I chose last good config it actually start booting up. There was a microsoft error report, so I sent it. I tried to go download a critical windows update, but at approx 75% completion....it rebooted itself. This started the cycle over, however I was having much better luck at least getting it to boot all the way at least a couple of times, so that I could back up some recent files. I tried to restore, but it never seems to get to complete either. Essentially, at this point, I can get it to boot up, but if anything is running it won't take it long to start rebooting itself. Sitting idle it takes it longer to start rebooting. Please help! I had some power issues in my office at home today which caused my computer to keep turning on and off a few times. I moved my computer to another location within my house to avoid voltage/wattage problems in that room. It still is rebooting over and over, even if I click any safe mode options, normal start, or last configurations. I opened the tower and cleaned everything of dust. The fans work properly. Did my computer become damaged with the power from the outlet turning on and off many times? Please help. Thanks.

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  • tigertony Apr 03, 2008

    I had some power issues in my office at home today which caused my computer to keep turning on and off a few times. I moved my computer to another location within my house to avoid voltage/wattage problems in that room. It still is rebooting over and over, even if I click any safe mode options, normal start, or last configurations. I opened the tower and cleaned everything of dust. The fans work properly. Did my computer become damaged with the power from the outlet turning on and off many times? Please help. Thanks.

  • tigertony Apr 03, 2008

    Actually, I messed up on the comment area when I signed up. My comment is the second comment by tigertony, the first was submitted by another member. sorry for that.

  • tigertony Apr 03, 2008

    Hello Psionics, I read your comment above and checked all capacitors for bulging or leaking as well as anything that would be considered irregular that I could visibly see. One thing I'm not willing to do at this point is erase my hard drive. I have pictures and documents I have not backed up yet, unfortunately. After watching the reboot process a bit more, I decided to press my f5 key and it brought me to another screen which gave me more options. I chose to not auto start or reboot to see if it would windows. A blue screen popped up (that I couldn't halt before because it kept cycling), and states the following: A problem has been detected and windows has been shut down to prevent further damage to your computer. UNMOUNTABLE_BOOT_VOLUME

    disbable or remove any newly installed hardware or software. Disable BIOS memory options such as chaching or shadowing. If you need to use Safe Mode to remove or disable components, restart your computer, press f8 to select Advanced Startup Options, and then select Safe Mode.

    Technical information:

    *** STOP: 0x000000ED (0x82F45900, 0xC0000006, 0x00000000, 0x00000000)

    I'm not very computer savy to say the least, but I'm willing to learn, here and there. I don't understand most of this information or really how to apply it. Based on this information above, can I still save my hard drive from extinction? Thanks.

  • tigertony Apr 03, 2008


    Comment by tigertony, posted on Apr 03, 2008
    Hello Psionics, I read your comment above and checked all capacitors for bulging or leaking as well as anything that would be considered irregular that I could visibly see. One thing I'm not willing to do at this point is erase my hard drive. I have pictures and documents I have not backed up yet, unfortunately. After watching the reboot process a bit more, I decided to press my f5 key and it brought me to another screen which gave me more options. I chose to not auto start or reboot to see if it would windows. A blue screen popped up (that I couldn't halt before because it kept cycling), and states the following: A problem has been detected and windows has been shut down to prevent further damage to your computer. UNMOUNTABLE_BOOT_VOLUME
    disbable or remove any newly installed hardware or software. Disable BIOS memory options such as chaching or shadowing. If you need to use Safe Mode to remove or disable components, restart your computer, press f8 to select Advanced Startup Options, and then select Safe Mode.
    Technical information:
    *** STOP: 0x000000ED (0x82F45900, 0xC0000006, 0x00000000, 0x00000000)
    I'm not very computer savy to say the least, but I'm willing to learn, here and there. I don't understand most of this information or really how to apply it. Based on this information above, can I still save my hard drive from extinction? Thanks.

  • tigertony Apr 06, 2008

    I'm having difficulty finding my windows xp boot cd. Until then, I'm stuck for now, unless I can get one from somewhere else.

  • tigertony Apr 06, 2008

    Thanks. I will try to locate a xp boot cd somewhere. As a last resort I will engage my system recovery feature.

  • Dave MacPhee
    Dave MacPhee May 11, 2010

    When you say "tried a restore" did you do a windows repair or complete re-install?

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  • 161 Answers

I would try taking to motherboard battery out for 10 minutes to reset the bios.....then try booting again.......if not then the bios could possibly be fried.....i had teh same problem with a computer i built myself......

Posted on Sep 30, 2008

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  • 61 Answers

This is almost certainly a software issue, probably malware. load it up in safe mode and attempt to scan it for virus' and malware. use something professional like malwarebytes.org, spybot search and destroy, Norton, Kaspersky and mcafee and always try multiple scanners as no one scanner will get it all. there is also a good free scanner over at trendmicro which will also remove malware.

Posted on Nov 08, 2013

Try chkdsk /r with windows recovery this should solve the problem

Posted on Jun 10, 2008

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  • 236 Answers

It is not very likely that your computer was damaged, but if you want to make sure, check for any leaky capacitors/burn marks/dark areas on the motherboard..
Look for things like:

My computer keeps rebooting itself. - 238799e.jpg and

5590508.jpg
If you can't find any, the mobo is fine.. which is a good sign..

Next, I would try re-installing (not repairing) the OS by using the windows CD that came with your system.. If you did not get one, there should be a recovery drive on your PC (CAUTION: this will erase everything on the drive)....

The fact that your computer fans and everything else come on indicates that it is probably not the power supply, so we'll leave that alone for now...

It could be that the RAM was damaged.. i'm not too sure how much you have installed, but that pc may come with 2 sticks of ram.. if that is the case, try each on on it's own and see if that works..

Sounds more like a software issue, and if re-installing windows does not work, I would suggest buying a new Hard-Drive.. (if that doesn't fix the issue, you can always return it)...

If none of these things help, let me know and I will try to help you more...

Posted on Apr 03, 2008

  • 9 more comments 
  • Dave MacPhee
    Dave MacPhee Apr 04, 2008

    You can try going into safe mode. It really does sound like a windows update caused the problem..



    In safe mode, try uninstalling the last few windows updates (on and just before the date the errors started occuring).. some updates have been known to cause problems, and are later fixed by another update..



    See if that helps any

  • Dave MacPhee
    Dave MacPhee Apr 04, 2008

    you could also try a repair windows from your windows boot cd.. That will not erase the contents of the drive, but you will have to re-install any additional software you installed after you got your system...

  • Dave MacPhee
    Dave MacPhee Apr 04, 2008

    Also, before trying the repair option.. When you boot from your Windows XP cd, choose the recovery console. Once in there, choose your C:\



    once at the prompt, type chkdsk /r



    That may fix any issues as well.

  • Dave MacPhee
    Dave MacPhee Apr 06, 2008

    Any updates?

  • Dave MacPhee
    Dave MacPhee Apr 06, 2008

    did your system not come with a recovery drive built in?

  • Dave MacPhee
    Dave MacPhee Apr 06, 2008

    You can also use another XP cd (from a friend), or, if you have a floppy drive on your system (may also work from CD) download THIS from microsofts website

  • Dave MacPhee
    Dave MacPhee Apr 06, 2008

    sorry, that file will let you boot from floppy, without having a bootable cd-rom drive..

  • Dave MacPhee
    Dave MacPhee Apr 06, 2008

    If you have access to another system (which obviously you do) you can download UBCD4WIN and created a boot CD from the local harddrive.



    Download from here



    Follow all the instructions under "how to build".. you may have to slipstream a service pack into the installation, but there are instructions and links to programs on that site.. Most of the time, if the computer you are using does not have a boot CD, you can find the windows files in the C:\I386 or c:\windows\System32\I386 folders - copy those to another location on the harddrive, download the service pack you have currently installed on your system (the one having errors) and use the slipstream program if you need to add a service pack.



    Setup is a little daunting at first, but if you follow all the instructions carefully, it will work

  • Dave MacPhee
    Dave MacPhee Apr 06, 2008

    problem is, that Media Center functions are not easy to restore, and may not be restorable. But at least you will have a running copy of windows on your system.. (If you do a fresh install of Windows XP on your system, and not Windows Media Player, you can still use the same product key located on the back or side of your pc)

  • Dave MacPhee
    Dave MacPhee Apr 06, 2008

    after thinking about it, you should have a recovery drive.. To see if you do:



    Turn on the computer and immediately begin pressing the F10 key repeatedly until a Recovery Screen appears.

  • Dave MacPhee
    Dave MacPhee Apr 08, 2008

    if you do get into the Recovery, you can do a non-destructive restore..It will not delete all the files on your drive, but you will have to re-install any added on programs/applications after you first got your pc...



    Also, just as a side thought..Did you try using the RAM one stick at a time?

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sandrew
  • 2961 Answers

SOURCE: My computer keeps rebooting itself.

First check the cmos (3V disc shape)battery on your motherboard is ot flat, as this causes reboot loops. Also check that the processor fan is free of dust and so you can count out overheating.

Posted on Jan 02, 2007

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