Question about Motherboards
How to fix an audio jack on a laptop? / What's your diagnosis
If somebody could help me out...I'm pretty sure I blew something up when I plugged the output of a guitar amplifier to the headphone jack of the laptop because since then, when something is plugged in that jack, (speakers or headphones) nothing comes out. When nothing is plugged in, the sound correctly comes out of the two internal laptop speakers. Does anybody understand what happened
Yep, you blew it up, all right.
The headphone jack in the laptop is a low-level OUTPUT which goes TO a set of headphones or the INPUT of an amplifier. You went the wrong way and fed a high-level signal (the guitar amplifier OUTPUT) INTO the laptop.
The electronics inside the laptop are not made to deal with the high level you fed in, so it's been damaged. Ever blow out a set of speakers with too high a volume? That's basically what has happened here.
To fix the problem and get your sound back would require a new system board.
Posted on Jan 19, 2009
Tips for a great answer:
desktop or laptop computer ?
3 Ports on the side- Pink,Green,Black
Pink Port is LineIn for an external device player jack
Green Port is LineIn for the Microphone jack
Black Port is LineOut for Headset or External Speakers jack
Plug the Green jack on Headphone - into the Black Port on the laptop.
b) Go to Control Panel and open - RealTek HD Audio manager
On the top of Page are 3 Icons -
One Icon is labelled Speakers One is for Digital optics, one is for Mic,
The Speakers Icon is misleading as it is also for Headphones (LineOut)
Select Speaker Icon and make it Default. Also tick Full Range - Front LR
Ignore the 4 vertical Analog Icons on the right side.
You should now have Headphone sound if your volume is not Muted.
click start control panel on the left select hardware and sound then select manage audio devices then recording you should see a microphone right click select enable windows 7
click start control panel on the left select hardware and sound then select manage audio devices then recording you should see a microphone right click select configure speech recognition then
you will see earphones with a speaker among a list set up a microphone headset with microphone then next and next again you should see your earphones with microphone being configured
click start control panel sounds and audio devices select advanced there might be a tick in the mute box untick it or select audio from the microphone drop down list
make sure you have the right one selected and in the volume box make sure the microphone box has a tick in it or
select the voice tab
make sure that you have the right media selected also
select volume make sure the box for microphone has a tick in it
or you might have to depending on your operating system
Click start Control Pannel
click on Hardware and Sound
click on Sound
then you devices should come up ; speakers, Digital Audio, and headphones
plug your headphones in
then select headphones
at the bottom it will say set as default
then when you disconnect your headphones it automatically switches to the speakers and when you plug them back in it automatically will switch to headphones
hope this helps
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have you tried this control panel sounds and audio,volume,advanced,speakers select the appropriate speakers from the drop down list or navigate to the device manager scroll to system devices + to expand,system speaker right click properties then select use this device (enable)
hope this helps
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