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Windows 7: Cannot get audio on any jacks.

26 Aug 2012   #1

British Columbia
Cannot get audio on any jacks.

I have an HP P6620f desktop. I have a pair of speakers that I have tested on other computers and had working on this system until recently it stopped. When I plug the speakers into the back port and turn the volume up max on the speakers itself and the in OS sound options I can faintly hear the audio. I have tried uninstalling and reinstalling the latest drivers. I have even tried reinstalling windows and it still happening. The front headphone jack will do the same with my head phones as well. Since its still happening after a reinstall im guessing its a hardware issue but I dont understand why my front headphone jack would do the same as well. I did recently remove my power supply and then put it back in.
Any other thoughts as to what I could try?


My System SpecsSystem Spec
26 Aug 2012   #2

Windows 7, 64 bit Home SP1, Win 8.1.1 Pro 64 bit

The front headphone sound comes from the same chip on the motherboard that supplies the sound to the rear speaker output.

When you reinstalled, did you properly reinstall everything? OS, motherboard chipset drivers, device drivers including the HP supplied sound driver? Windows 7 will install a lot of drivers, some are the correct drivers and some are not, thus you need to install the PC vendor's drivers for some devices, especially the sound.

As you were inside the PC, accidental damage to the motherboard is a possibility due to the motherboard having static sensitive devices on it. Check the internal cabling and especially the cable that connects the front panel audio jacks to the motherboard, to make sure its properly seated. To see if the front panel connection is causing the low output to the speaker connection, temporarily disconnect the front panel audio connection (check or remove the front panel connection with the PC powered off. If you don't have a grounding wrist strap, at least ground yourself to a metal part of the chassis before touching anything inside).
My System SpecsSystem Spec

 Cannot get audio on any jacks.

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