Re: no system beep by westieben
westieben
Tue Apr 29 11:35:27 PDT 2008
Paul;3110751 Wrote:
> westieben wrote:-
> just compleated new build, system works a treat, one thing i cannot
> sort
> no beep or beeps on start up,changed spk1 lead round,searched every
> item in bios cmos for any clues,but am unwilling to enable things i
> dont
> fully understand
>
> any help would be great
> -
>
> The speaker is not polarized. Reversing the two connections should
> not change anything.
>
> In the BIOS, there generally is not a control or option for the beep.
> The beep should always be there.
>
> On a successful POST, there should be one beep. The purpose of the
> single beep, is to tell you the speaker is working. Error patterns
> will be a repetitive beep pattern.
>
> It is possible for a speaker wire to get pinched against sharp metal
> on the computer case. If the speaker wire has live +5V on it, the
> pinched wire can get so hot, that the insulation gets charred.
>
> If you have a multimeter with an ohms scale, you could check
> that the speaker presents some loading, like 16 ohms or 32 ohms
> or whatever. That would be measured between the two pins with the
> wires in them.
>
> Check that the pin spacing on the speaker connector, matches the
> spacing
> on the PANEL header. If you are recycling a motherboard from a
> Dell/HP/Gateway etc., it is possible the header design is not the
> same as your case wiring.
>
> Paul
checked pin allighnment spot on, wires no evidence of any damage
totaly new build not trying to bodge things pity the new system works
like a dream
--
westieben