Question about HP Pavilion a1110n (PX743AA) PC Desktop
Checked memory in another machine and it works fine, Disconnected all cables from motherboard and it is only when I connect the black and yellow cable marked " PD " onto the system board that it starts to beep continuously after turning on. With the cable marked PD out of the motherboard the power remains on and the fan is running continuously. this model has a massive heatsink and seperate heatsink fan, this runs continuously also but more quieter than if the PD cable is in. Do you think this is the power distribution ? andm it still may be the powersupply or definately the moptherboard.
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Posted on Jan 02, 2017
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The continous beep usually means a memory failure (RAM) or video memory if a plugin card is used.
Check to be sure the unit sees all of the memory, a weak power source( without AC adapter) could cause a partial failure of one memory card.
Another fault would be that the battery is very low on charge and won't accept any charge.
hope it helps
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