MoBo or Processor ?
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Posted by Dave on March 1, 2006, 3:42 pm
Please log in for more thread options beeps at startup even if there is no RAM on the board, how do I ascertain if it is the processor or the Motherboard that is the problem? My thinking is that the system "should" provide P.O.S.T. beeps regardless of the processor working or not working as it is controlled by the MoBo and not the processor. PSU has been tested as good and the MoBo IS getting power Your thoughts on this please?! | ||||||||||||||||
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Posted by kony on March 1, 2006, 4:36 pm
Please log in for more thread options Give us more detail. Are they new parts? Any of them tested working? Did you confirm they're compatible? WHY have you not mentioned anything but the motherboard? CPU, memory, power supply make/model/wattage. Have you tried the clear CMOS jumper? have you checked the battery voltage? Have you tried the board out of a case, on a desk but NOT on anti-static (never put a board on anti-static to run it). Leave the memory in it- one memory module. Reduce the system to bare essentials- one memory module, video, CPU, heatsink fan. Unplug ALL else, including keybaord, mouse, and the front panel connectors for the case, then short the Power-On pins together with a metallic object. >
>My thinking is that the system "should" provide P.O.S.T. beeps >regardless of the processor working or not working as it is controlled >by the MoBo and not the processor. No, it will not beep in any situations, particularly if it never gets far enough to load the bios and execute it. >
>PSU has been tested as good and the MoBo IS getting power Tested as good how? Hopefully not with one of those so-called PSu testers that just plugs into a board, because those cannot test one as good, they can only find one that has certain types of failure. If you have a multimeter, take voltage readings while it's in the one-but-not-POSTing state. Presumably you have a video card or it has onboard video or ??? We can't see the system, it is always best to start with a concise list of all major components. Otherwise, we know little except that you have a computer, nothing to go on. | ||||||||||||||||
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Posted by Dave on March 1, 2006, 8:58 pm
Please log in for more thread options kony wrote:
> On Wed, 01 Mar 2006 15:42:51 -0500, Dave
> >> A new system I am building and having problems with gives NO P.O.S.T.
>> beeps at startup even if there is no RAM on the board, how do I >> ascertain if it is the processor or the Motherboard that is the problem? >
> Give us more detail. > Are they new parts? > Any of them tested working? > Did you confirm they're compatible? > WHY have you not mentioned anything but the motherboard? > > CPU, memory, power supply make/model/wattage. > > Have you tried the clear CMOS jumper? > have you checked the battery voltage? > Have you tried the board out of a case, on a desk but NOT on > anti-static (never put a board on anti-static to run it). > > Leave the memory in it- one memory module. Reduce the > system to bare essentials- one memory module, video, CPU, > heatsink fan. Unplug ALL else, including keybaord, mouse, > and the front panel connectors for the case, then short the > Power-On pins together with a metallic object. > > >> My thinking is that the system "should" provide P.O.S.T. beeps
>> regardless of the processor working or not working as it is controlled >> by the MoBo and not the processor. >
> No, it will not beep in any situations, particularly if it > never gets far enough to load the bios and execute it. > > >> PSU has been tested as good and the MoBo IS getting power
>
> Tested as good how? Hopefully not with one of those > so-called PSu testers that just plugs into a board, because > those cannot test one as good, they can only find one that > has certain types of failure. > > If you have a multimeter, take voltage readings while it's > in the one-but-not-POSTing state. > > Presumably you have a video card or it has onboard video or > ??? We can't see the system, it is always best to start > with a concise list of all major components. Otherwise, we > know little except that you have a computer, nothing to go > on. > > > See my thread "Problem with newly built system" | ||||||||||||||||
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Posted by BP on March 1, 2006, 5:43 pm
Please log in for more thread options
>A new system I am building and having problems with gives NO P.O.S.T. beeps
>at startup even if there is no RAM on the board, how do I ascertain if it >is the processor or the Motherboard that is the problem? > > My thinking is that the system "should" provide P.O.S.T. beeps regardless > of the processor working or not working as it is controlled by the MoBo > and not the processor. > > PSU has been tested as good and the MoBo IS getting power > > Your thoughts on this please?! I've been following your other thread "Problem with New System Build " If I were a betting man, I'd bet MoBo. Wait a minute. I am a betting man! Mobo!! I have a small computer shop near me that I sheepishly enter whenever I run into a problem like this. They can test the parts and swap out some stuff to determine the culprit. They tell me how foolish I am for building my own system when they can build one for me. I laugh and explain that that would be BORING! I pay them by the hour, pay for whole hours, and don't skimp or complain. Do you have someone like this around you? I believe even CompUSA does this kind of work. Otherwise, return the Mobo. It's the cheapest part. (If you gotta take a wild ass stab) | ||||||||||||||||
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Posted by Peasant on March 1, 2006, 7:20 pm
Please log in for more thread options Dave wrote:
> A new system I am building and having problems with gives NO P.O.S.T.
> beeps at startup even if there is no RAM on the board, how do I > ascertain if it is the processor or the Motherboard that is the problem? > > My thinking is that the system "should" provide P.O.S.T. beeps > regardless of the processor working or not working as it is controlled > by the MoBo and not the processor. > > PSU has been tested as good and the MoBo IS getting power > > Your thoughts on this please?! Make sure mb isn't shorting. Try to power it up on a workbench outside of the case. I had this happen once and it was because I had shorted the mb. | ||||||||||||||||
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>beeps at startup even if there is no RAM on the board, how do I
>ascertain if it is the processor or the Motherboard that is the problem?