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AR15.COM
12/29/2007 7:44:41 AM EDT
So I just got done assembling my new build last night at about 3:23AM.  I was excited as it had gone rather smoothly considering the last time I built a computer was 3 years ago - obviously lots of stuff has changed since then.  I went to power on the build when I heard this obnoxiously high pitched, shrill, incessant tone.  It's not a BIOS beep, nor a series of BIOS beeps.  It almost sounds like the temperature warning.  Thing is, the heatsink is properly seated and I assume the thermal goo that came with the processor is doing it's thing.  Do I need to remove the heatsink and check for proper contact?  Is there anything else I could be overlooking that is casuing this problem?

Thanks guys
12/29/2007 5:04:32 PM EDT
[#1]
bad capacitor in the powersupply or motherboard?

but i couldn't imagine that would be the  case on new stuff

case fan??  


odd very odd  


12/29/2007 6:05:54 PM EDT
[#2]

Quoted:
bad capacitor in the powersupply or motherboard?

but i couldn't imagine that would be the  case on new stuff

case fan??  


odd very odd  




I dunno if that'd be it.  This is a LOUD shrill howling sound.  I'm almost wondering if it's my video card as well - many places online say it sounds like a jet when it starts up.
12/29/2007 9:59:13 PM EDT
[#3]
uhhh...open the case to see where the sound is coming from
12/30/2007 5:30:57 PM EDT
[#4]
Open up the case and see if it is one of the fans.  If necessary, stop each fan for a moment (only!) with your finger to see if the sound goes away.

I had a chipset fan go pear shaped on me once and it sounded like an angry squirrel in a blender.
12/30/2007 8:57:59 PM EDT
[#5]
You can disconnect everything from the mobo except the powersupply, turn it on and see if you still hear the sound. I'd only wait for about 10-15 secs though and then turn it off.

If you don't hear it, plug one thing in at a time and turn it on between each one, until you find the squealer

-d
12/30/2007 9:38:58 PM EDT
[#6]

Quoted:
You can disconnect everything from the mobo except the powersupply, turn it on and see if you still hear the sound. I'd only wait for about 10-15 secs though and then turn it off.

If you don't hear it, plug one thing in at a time and turn it on between each one, until you find the squealer

-d


Had totally forgotten about that idea.  I found out that I forgot to plug in the PCI-E power to my video card.  Last card I had was AGP so I didn't have to do that.

Now I have an entirely new problem.  I get no video.  Not even with onboard video from the mobo.  I'm also not hearing a BIOS beep at all when I turn on the machine.  Any ideas?
12/31/2007 6:19:07 AM EDT
[#7]

Quoted:

Quoted:
You can disconnect everything from the mobo except the powersupply, turn it on and see if you still hear the sound. I'd only wait for about 10-15 secs though and then turn it off.

If you don't hear it, plug one thing in at a time and turn it on between each one, until you find the squealer

-d


Had totally forgotten about that idea.  I found out that I forgot to plug in the PCI-E power to my video card.  Last card I had was AGP so I didn't have to do that.

Now I have an entirely new problem.  I get no video.  Not even with onboard video from the mobo.  I'm also not hearing a BIOS beep at all when I turn on the machine.  Any ideas?


Is it a SLI motherboard? If so, there is sometimes a jumper or a little circuit board that you must put in place to signify that you have two, one or no video cards installed on the motherboard.

Was the video working previously before the PCI-e power issue?

-d
12/31/2007 7:28:45 AM EDT
[#8]

Quoted:

Quoted:

Quoted:
You can disconnect everything from the mobo except the powersupply, turn it on and see if you still hear the sound. I'd only wait for about 10-15 secs though and then turn it off.

If you don't hear it, plug one thing in at a time and turn it on between each one, until you find the squealer

-d


Had totally forgotten about that idea.  I found out that I forgot to plug in the PCI-E power to my video card.  Last card I had was AGP so I didn't have to do that.

Now I have an entirely new problem.  I get no video.  Not even with onboard video from the mobo.  I'm also not hearing a BIOS beep at all when I turn on the machine.  Any ideas?


Is it a SLI motherboard? If so, there is sometimes a jumper or a little circuit board that you must put in place to signify that you have two, one or no video cards installed on the motherboard.

Was the video working previously before the PCI-e power issue?

-d


I believe it is an SLI motherboard - it has a little black slot on the other side of the video card that I've never seen before.  I'm assuming that's so you can run a second card.  Now about this jumper - whereabouts would it be?  Like I said, the last time I built a computer was 3+ years ago when it was all AGP graphics, single core processors, and a lot less RAM

The video had never been tested as this was a fresh build.  I tested it with a known monitor (the one I'm using right now, in fact) and my new monitor - neither of which worked.  I'm kind of stumped.
12/31/2007 3:33:48 PM EDT
[#9]
What model number of motherboard do you have? I'll look it up and see what I can figure out for you.

-d
12/31/2007 6:08:41 PM EDT
[#10]

Quoted:
What model number of motherboard do you have? I'll look it up and see what I can figure out for you.

-d


Gigabyte GA-M16P-SA3

I also wonder this - I pulled out my video card box and it says I need a minimum of 26 amps on my +12v rail.  Current PSU is only 17 amps.  I bet that's the problem right there.

ETA - I don't know about that, actually.  It says under specifications on my Power Supply Unit that it has enough amperage (with the two +12V rails combined) to work.  I don't know what to think now.
12/31/2007 9:09:12 PM EDT
[#11]

Quoted:
it sounded like an angry squirrel in a blender.


I'm curious as to how you know that?
1/1/2008 12:14:19 AM EDT
[#12]
Well, I'm posting from my new computer  After a bit of trial and error, I figured out what was wrong.

#1 - At first, I didn't have the PCI-E power cable plugged in.  That was the root cause of the angry squirrel in a blender noise mentioned earlier.
#2 - Forgot to put the ATX 12v connector in.
#3 - Damned CD-ROM was set as master - so was my HDD.  That caused a headache as well.  Oh well, all is well now!

Thanks for all the help guys!
1/1/2008 9:24:02 AM EDT
[#13]
Glad to hear that it is up and running. You will probably check those things the next time you build a pc That is the great thing about pc's, there is always stuff to learn.

-d
1/1/2008 8:19:46 PM EDT
[#14]
You beat me to it, that was my guess.

For older power supplies that deliver enough juice but don't have a 12v connector, they make a converter to go from a standard 12v drive power plug to the MB 12v plug costs about $6.