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  • home pc problem

    My regular house homebrew pc is acting up.

    Last night while on the internet my pc all of a sudden rebooted. It worked fine afterwards and later the next afternoon it did the same thing. Now the computer will turn on yet it will not post. I opened the pc, looked around, sprayed off any collected dust and checked all the wiring everything looks okay.

    I moved the ide cable on the harddrive and it booted fine but rebooted after 5 minutes.

    I havent installed updated anything in my pc in the past month.

    Any help and or suggestions would greatly appreciated. As things always work out, I was planning on buying a portable harddrive to backup data and now my pc decides to crap out.

    Thanks
    Marcos
    - 3+ years & still no carputer!
    - Done collecting parts
    - Currently planning setup

  • #2
    If you're using Win 2k or above, turn off the auto restart on crash (Control Panel->System->Advanced somewhere). At least then you'll get blue screens instead of reboots.

    If you have fast boot enable in the bios, turn that off - bad memory can cause crazy things to happen, and the slow boot should check memory (a guy at work had a bad dimm 411Mb into memory, which caused random blue screens).

    Unplug everything, remove each device (card, memory, processor, etc) and reseat.

    If it still acts up after all that, start throttling back bus speeds, disabling processor caches, removing/replacing components till you remove/replace the bad bit.


    Rob
    Old Systems retired due to new car
    New system at design/prototype stage on BeagleBoard.

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    • #3
      Auto restart on crash is a BIOS thing Rob. So Mitokondria, check the BIOS for that. Also, I would try installing a temp monitor, such as MBM5. Google for it, or download the file @ my site (www button at bottom of this post) in the Downloads section. Setup is explained @ their site, and its really easy.

      My thought is perhaps you are overheating That is my only thought if nothing else is changed. Can you list the specs of it (The computer) as well?
      1993 BMW 325is - 15.2sec

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      • #4
        I had a similar experience a few months ago. My system would randomly reboot. I noticed smething strange during posting. The memory size would fluctuate. I have 2 - 256MB PC2100 sticks. But sometime it would post the full 512 and other times only 384. I pulled one stick to narrow down the one causing the problem and sent it back to crucial for replacement under lifetime warranty.

        If you have another stick of working memory in a different PC, try swapping and seeing if the system will post. I would also pull out any unneccessary hardware until you can narrow down the problem.

        This may also be a sign from God. Is it time for an upgrade?
        -TJ
        Smart Playlists Plugin for RoadRunner
        CarPC - 05 Acura TL Navi (pics soon)
        Retired CarPC - 03 Infiniti Qx4

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        • #5
          My desktop also did this last week and I had to add some case fans and clear away some IDE cables. I think SiGmA_X is correct in that your computer might be overheating. When I did this, my comp ran cooler and I have not seen the problem since...

          astral
          This is your life and it's ending one minute at a time...

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          • #6
            Originally posted by SiGmA_X
            Auto restart on crash is a BIOS thing Rob.
            Not on my Win 2k box at work it isn't. Visual Studio .net used to happily reboot my machine for me.

            And not according to this either (read the fourth message down, from DutchMaster):

            http://www.techimo.com/forum/tid3817...pn1/index.html

            I thank you...! ;-)


            Rob
            Old Systems retired due to new car
            New system at design/prototype stage on BeagleBoard.

            Comment


            • #7
              Rob - Weird. On all my systems, it's a BIOS controled thing. As you know, on restart the mobo controls the re-boot. So I guess it's a bit of both.
              1993 BMW 325is - 15.2sec

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              • #8
                I have had it come it come from heat, and also had it come from bad power supplies and bad memory. maybe run some diags on it.
                肚子笑痛了
                S60 Install

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                • #9
                  I guess I should have given some specs:

                  XP Pro
                  Athlon XP 1700
                  Soyo K7V Dragon Plus
                  1 stick of 512 PC 2100 DDR Ram (I think Samsung)
                  WesternDigital 60 GB harddrive
                  ATI 8500DV with current catalyst drivers
                  SoundBlaster Live Platinum
                  Generic 4 Port USB 2.0 Card
                  My case has 2 intake and 2 exhaust fans all fans are working properly.
                  Rounded cables and completely dust free, lol (clean it last night)
                  CPU has a thermaltake volcano fan which is also working properly.

                  PC has been working great without a single problem for the part 18+ months.

                  The thing with the PC is that it turns on and all the drive led's light up but the pc will not post or do anything. If it does post and load windows, I have like 2 or 3 minutes tops before it reboots. So installing proggies is out of the question unless for some lucky reason I can pull it off.

                  I did install Visual Studio .Net for school like 2 months ago. And that crazy **** tries to debug everything.

                  I was thinking of resetting the cmos if that may help.

                  Ill read the other forum to see what I can come up with.

                  Thanks for all the help guys
                  Marcos
                  - 3+ years & still no carputer!
                  - Done collecting parts
                  - Currently planning setup

                  Comment


                  • #10
                    What are the temps like? Did the heatsink become somewhat loose?

                    I was getting bad reboots like that and I didn't realize that my video card fan was spinning really slow.. replaced it and reboots went away. But if you say all fans are running ok..

                    Other than that, might want to try some different RAM if at all possible as people have been suggesting.
                    MP3 Cavalier - http://www.mp3cavalier.com
                    MP3 Grand Prix - http://www.mp3gp.com

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                    • #11
                      Originally posted by SiGmA_X
                      Rob - Weird. On all my systems, it's a BIOS controled thing. As you know, on restart the mobo controls the re-boot. So I guess it's a bit of both.
                      I've never ever seen a system with that bios setting. I've seen ones where it can control whether the machine powers up when AC power is reconnected or just go to standby, but this is a reboot on application crash, ie. when you get a blue screen of death, you never see it, it just reboots. It's the default config for Win2k and WinXP installs (for some crazy reason).


                      Rob
                      Old Systems retired due to new car
                      New system at design/prototype stage on BeagleBoard.

                      Comment


                      • #12
                        Rob is taking about this below (System/Advanced). Reseat memory and cards, then check the power supply. I don't think it is heat, unless a fan has stopped running, since you stated it has been running for 18+ months.
                        ODYSSEY

                        Originally posted by Tidder
                        Hey, as long as it's not any particular race I'm offending, I can stand to be a pedophile.
                        All information expressed in this post is my opinion, and should not be regarded as a statement of fact.
                        Digital-Car UK|

                        (\__/)
                        (='.'=)
                        (")_(")

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                        • #13
                          Here are some things that might help!

                          1. Try updating your bios, doing that has gotten rid of a few problems for me in the past. http://www.soyousa.com/downloads/selectresults.php?language=&col1=Proc_AMD+Athlon+X P%2C+T-Bird%2C+Duron&col2=37&col3=BIOS+Upgrade. This URL will take you straight to the Dragon Plus BIOS update page.

                          2. When I had the problem that you are having, It ended up being a burnt processor, you might want to check that.

                          3. Try borrowing a Ram Dimm from a friend or buy a cheap 128MB PC2100 and see if it fixes the problem.

                          4. Try holding down the INSERT key while you power on the computer.

                          Hope this helps. Let me know what happens.

                          Rafael
                          [email protected]
                          Post # 3000

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                          • #14
                            Point a standard room fan at it and see if it runs any longer. If it does, then something is heating up. Those tiny chipset fans are notorious for dying...

                            If that doesn't do it - pull everything nonessential out. All the cards, extra memory, extra harddrives, etc. Leave nothing but the boot drive and video card. If it stays running, then replace the components one by one and you'll eventually rat out the bad device.

                            I've also seen power supplies cause random reboots. Is the fan running? How warm does it get?
                            http://www.jeepmp3.com/
                            CarPC Stolen. Starting over.
                            Ne1 recognize the avatar?

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                            • #15
                              Thanks guys for all the help so far.

                              Heres what I have done:

                              I flashed the cmos, no good.
                              I took out all the cards and left the bare minimal to run the pc, no good.
                              Swapped power supplies, nope.
                              Checked cpu, nada.

                              As far as installing programs, and changing settings it is still not possible since the pc just hangs there when I turn it on. I cannot access the bios settings.

                              THe only things I have not checked is the ram since I do not have spare ram lying around. Ive tried turning on the pc w/o a cpu but the motherboard does not beep like it should so now Im thinkin I have bad motherboard. Its strange since all the leds on the board light up and the chipset fan runs.

                              Could the harddrive have anythong to do with it? Its been running fine w/o any problems.
                              - 3+ years & still no carputer!
                              - Done collecting parts
                              - Currently planning setup

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