Crackly Sound on L755 Laptop, no headphone jack output

I have a L755 - S5366 laptop. Windows 7 Home Premium.
Crackly sound comes from onboard speakers when using internet explorer or any of the "TEST" functions located in the Sound properties dialog boxes. When playing YouTube, no sound at all. Under all of these circumstances, there is no sound at all through the headphone jack. Clicking the volume control, the little graphic that looks like an equalizer, shows sound being processed. System shows all sound related devices and drivers to be enabled and working.
I have tried resetting BIOS settings back to factory defaults, restored windows to an earlier known working state, downloaded the most recent CONEXTANT audio driver from the Toshiba website. Same symptoms persist.
Any other ideas of what to try, or am I looking at a costly hardware fix ?
I should mention, my daughter spilled a tiny amount of water on the laptop and it hit in the area of one of the speakers. The laptop was immediately powered down, battery removed and placed upside down in a tent-like position to dry it out.
Thanks in advance ....

You've tried everything I would normally suggest. If you're sure it was working at the time the restore point was made, then it does sound like hardware failure. You could know for sure by performing a full system recovery. If the problem persists a system recovery, it requires servicing.
- Peter

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This question was solved.
View Solution.

I had the same problem with dm4-2070us and I just finished chatting with HP customer service. The representative asked me to do few things including setting the BIOS to default. I also reinstalled the driver. NOTHING WROKED.
He told me to do a complete revovery of the system to factory reset. I didn't want to go that route.
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Dear Chris:
This is not the answer you are looking for, but it may be an alternati've for you. I bought the i/o bay on EBAY for $40.00. The bay was bought originally bought from Auzentech and is identical to Creative's. It took me about two weeks to find it, but I works 00%. If you buy a part from a manufacturer, I would think it will be between $0-$20 and a lot of your time soldering or tinkering. Again, Ebay may not be to your liking, but it is better than $00 for a new one.

Crackly Sound on L755 Laptop, no headphone jack output

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