Whats wrong???

[Psykoh]

Well I dont know exactly which form to post this in but I'll try here first. I just installed a new heatsink (went from a Cooler Master HCC002 (loud ass mofo) to a ThermalTake Volcano 7+ (much quieter)) on my Soyo KT333 Dragon Lite MoBo (AMD). Well after installing the new heatsink, when ever the computer is jostled/shaken or if any cable such a power cable or IDE cables are touched/jiggled, the computer turns on by itself. Just wanted to note that the computer was completely powered down and I nor anything on me touched the power button. I really dont want to unplug and replug everything, I will if i have to, but i was wondering if anyone knew the exact problem to save me all the trouble.

Thanks.

 

[4Ryan6]

My SOYO starts up when you move or touch the mouses left key, I'm not too crazy about that but it must be a built in feature of SOYO I can't find anything in the power management or the CMOS setup to disable it, I hope my cat doesn't discover it. Ryan




Details, Details, Its all in the Details, If you need help, Don't leave out the Details.

 

[Psykoh]

Well, i just took apart my whole computer. Disconnected, all cables, plugs, and connections. The only thing i noticed wrong was that one of the pins on my CD-RW drive was bent. Meaning the IDE drive connecting tot he CD-RW drive wasn't touching all the pins (all but one). But i'm sure that can't be the problem. BTW, i bent the pin back and now its snuggly fitted. I blew at all dust and such. Everything seems to be working fine. Either it was that IDE connection, or just a random loose cable. If the problem comes back you'll definitely hear from me again.

Thanks

 

[Psykoh]

AAAHHHHHH!!! DAMN IT!!!!!!!!!

Since I took apart everything and put it back together, the whole system had been working great. But tonight, the computer just turned off on its own. Nothing touched/shooked/jarred/breathed on the computer. IT was just sitting there defragmenting. Could it possibly be a power supply issue??? I don't know if I'm being paranoid now, but i can swear i hear a different sound coming from my computer too. Possibly one of the fans (more paranoia, but it sounds like its coming from the upper part of the case, Power supply fan??). COuld it be the fan from the power supply. Its a soft whirling sound, not like the hum of the case fans or the heat sink fan. Please help me.

 

[Psykoh]

Okay, well I am about to go crazy. The computer turns on and off when ever it feels like it. It possessed I tell you, POSSSESSED. I dont know if its the PSU or the bent MOBO (someone mentioned this me, Snotling, i think) when I installed the new heatsink. Sometimes when I, myself shutdown/power down, the system it will immediately power back up. I have to resort to flipping the back power switch inorder for the computer to stop powering back up.

I'm having my doubts about the problem being the PSU, cuz I took my old PSU from another computer and hooked it up to just the MOBO and my HDD, and it did the same ghostly/possesed thing of turning on and off. I soo hope it isnt a bent/cracked mobo. If anyone has any idea to solve this enigma please respond. I'm desperate.

Thanks.

 

[namek0]

This happened to my older pentium II computer the other day. It just turned off at random times. It turns out my little sister somehow got into the bios and turned the auto shutdown temperature to something insanley low, so after the computer did anything viturally, it would heat up and shut down. Talk about fun

 

[lhgpoobaa]

Ryan... that sounds like a power management feature. Try disabling in the bios all "wake on" options such as keyboard, mouse, PS2 and USB .

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[Psykoh]

I tried out the computer again today, and it still powers up and powers down at random intervals, sometimes in consecutive turns. Here is one example of a trial run...I flip the power switch in the back and the computer turned on by itself with me touching the cases power button. I proceeded to let it boot itself up, but b4 it could even get to the WINDOWS screen, it shutdown. I was just about the press the power button when it powered backup. This time it fully loaded up, windows and everything. I proceeded to surf a bit (to test it out) then I shutdown. As soon as it was finished shutting down, it turned right back on. This Possessed peice of semiconductors and circuitry is driving me mad. I have checked my BIOS a countless # of times, and there is nothing that will fix it. Does anyone know whats wrong. Does bad PSU or possible a bent motherboard display such a maddening problem??? please help

PS: This problem occured without me ever going into BIOS, so i'm pretty sure its unbios related. I am pretty sure its a hardware problem but which hardware. The MOBO, the PSU, or possibly something else i am not aware of

 

[HammerBot]

Try disconnecting the front switch from the mobo completely, and see if the machine stays off/on. If you have a defective switch, that may cause such a behaviour.
If that doesnt help, its most likely the mobo thats defective.
There are ways to test the PSU independently, but it requires shortening some pins in the PSU connector. The safest way for you is to test the PSU in another machine.

<i><b>Engineering is the fine art of making what you want from things you can get</b></i>
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[Psykoh]

I think i got the problem licked. Well I went all out this time. I unscrewed the mobo from the case, disconnected all wires, cables, cards and adapters. I went for a complete frest installation (hardware, not software). I even took off the front paneling of my case. After about an hour or two, i found the problem. Before i tell you guys what it is, i have to check my self into an insane asylum first. ANyhow, the stupid problem all had to do with the simple power button. Wasn't a bad pin connection, it wasn't a bad short, or anything. When I took off the front paneling of the case, i noticed that some little peice of whatever was making the connectin between the switch and the button to snug. So the lightest touch of the case would cause the button to set off the switch. I tested this theory out, by not pressing the button down, but just jiggling a bit, and wouldn't you know it, the computer powered up/down (depending on the initial powering). I fix the problem with some washers and cleaning the area out. Thanks for all the help. If this doesn't solve it, i'm buying a new fricking computer haha..

THanks again