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Thread: Computer does what he wants

  1. #1
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    Default Computer does what he wants


    Long history in brief: old power supply in old computer broke, but had probably affected the MB, for a new NT was also nothing more. So I organized an old MB for 10 euros. Have a new OS on it made some fans still connected everything was top. Then computer off, unplug and put in the oven for about 6 weeks. Then back out of there HDD replaced as I had found a better one. Then the computer was not able to start. On the back of the MB GbLAN lit the lamp but that part is not simply jumped. Did everything again expanded and fitted individually because I thought that what is broken again. No reaction. since again, nearly three months ago and today I have the pleasure packed the old box (A) again to look at more closely. Was the first to connect the power adapter (A) to my current PC (B) and my NT (B) on the old computer. Well, that went to all day. Sometimes he goes, sometimes not. Time he likes to run, sometimes it breaks off shortly after the BIOS screen and just goes off by itself. Why is that? Have also noticed that sometimes it depends on whether I touch the case or example are where cables. In general the success rate is highest when the NT is not in the case. Could it be that some component causes severe voltage fluctuations? Or it could be possibly also that the housing contributes its part? That one probably via MB and housing wall somehow a current flows so that the NT then just starting for safety? I just unfortunately no other computer with which I could not test the hardware otherwise. Athlon XP 2600 + is still NEN on an old MSI KT880 Delta with 2x512MB Kingston KVR and Ner old 9600Pro. NT is a 300W Cougar A. The part I had still like to get to the run just like that and to gamble on very old games. Would be a pity, the hardware simply throw away or have them gather dust. Namely everything went before the very first NT failure yet smoothly. So any ideas why this might be or how I could test it? Can I just like eg time to build the entire computer on glass table and then see if it is on the housing?

  2. #2
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    Beat me but I think that you are too new NT The XP should still require orderlies juice at 3.3 and 5 V has also no 4 pin connector right? NT said 300w is a little anyway I think.

  3. #3
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    What do you mean by too new? The 300W were recommended to me to be sufficient previously it was a 400W no name NT. May I test the times. Might not have enough power for cause such symptoms? Why does it go but sometimes good and sometimes not?

  4. #4
    Cole Rich's Avatar
    Cole Rich is offline Member
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    If the unit is dismantled everything works maybe even check the spacers on which the motherboard is screwed in the housing. Perhaps one of the spacers sitting in the wrong place and it is there due to a short circuit. Had once a broken wire at an old power supply that had brought me to despair by a loose connection once everything worked then could not do anything. Noted I did it back then by moving the power supply cable.

  5. #5
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    Is it because reliable outside the housing at any time? If so check spacers, check all kable for broken insulation and look if to parts touch in Vertical position because they hang the Symptoms also remind me a bit of a mistake I was with my old bucket. There are 2 capacitors near the Ram smoked more start by trying to compensate and it seems he runs now as I said sounds similar.

  6. #6
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    It was actually the case. The spacers were actually positioned correctly but stupidly the back of the MB still at one point touching the housing as a survey with holes probably for a different form factor. Which is not noticed in the assembly I test as yet another packed board in the chassis with the same result? The hardware is now in a different case and everything is OK again.

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