Hi friends,
I have a PC with a Jetway V400DBL motherboard. A couple of years old now. It has a good spec and no other problems whatsoever except I had to replace the power supply a few months ago due to a failing fan.
However, when the PC Speaker beeps the PC will reboot! I have used PC Check software to test the speaker and after 2-3 beeps the PC reboots.
I've tried event log checking, System -> Advanced -> write error to log stuff, latest and stable hardware drivers, software is nice and tidy, fully tested all hardware fine. HWDoctor is monitoring temperatures, voltages, etc and everything is fine.
Anyone know what this is and if its related to the motherboard, etc?
Thanks,
Lee.
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Hi guys,
No spyware, viruses, 100% sure. I've worked in IT for years and know most of the stuff. But with the one I'm stumped :-(
It reboots when the OS is running, completely out of the blue, seems to be when any software or the OS signals the PC Speaker to beep. Sounds like a motherboard, dust, PSU, or main power supply problem.
Lee.
I know. I work from home on my computer and its causing some lost work :-(
Hmmm. Power button and loose wire. I'll take a look at that. But I wouldn't of thought it would beep and reboot if it was that?
The beep is from the speaker that is in the PC casing that is connected to some jumpers on the motherboard.
Lee.
> Disconnect the speaker temporarily and see if it still happens. --- check this first, if not try to get some other power supply and if you tried this, the memory also check it but if you think the ram are ok and you think all hardware are ok... try to take it out the motherboard to your casing and power it up just to observed if theirs happening like grounding happened coming from your casing! :)
goodluck!
maybe your system is set to reboot on speaker signal - lol !
Grounding, is when some grounded meatl touches parts of the mobo, or add-on cards; a common failure with that is the mobo grounding on the mounting standoffs (if one too many mounted)
You can also try to tick the mobo around the speaker (if onboard) to check if it happens (could be a speaker that grounds the signal when operating - try another one then)
Am i correct that when you send a signal to the speaker it reboots ?
the speker beeps is when you play any sounds / songs ?? Or it is a sound that you didn't try to play ?? And base of your working experience in IT line, then I think you already check out for the comman issue ......
If the speker beeps with the sound you didn't try to play, I think that is just a warning / attention the CPU want to give you through the speakers.
>> > Disconnect the speaker temporarily and see if it still happens.
So, the results I guess the problems still occur even you plug off the speakers (then that prove is not the speaker issue) .....
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by: bfpowerPosted on 2007-06-06 at 09:42:29ID: 19226556
Is this just when it boots or is it after the OS is running? If it's after the OS is running, I am not totally sure.
But, first I would try blowing all dust out of the case with compressed air. Sometimes the dust in the case can jump a circuit on the mobo and cause random reboots.
Also, are you sure the new power supply isn't going bad? Usually in a auto-reboot situation it is likely to be the mobo or the power supply (since all your drivers are up to date). But I would try cleaning first just to check if it's that simple.
Hope this helps...