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
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Speakers do not usually go bad. Using device manager attempt to re install the audio driver in laptop. If that does not do the trick then your audio circuitry is fubar. Since you cannot pop in an audio card as in a desk top only remedy is mo bo replacement - not recommended due to high high mo bo cost and labor intensive. For what it would cost to fix, cheaper and better to replace unit.
You can try, but that's a fairly delicate procedure - it's very unlikely that JUST the physical jack itself is fried, you are probably looking at a full power supply board replacement - probably $150-200 just for the part itself. Mainboards are online for around $2-300 as well - I use www.impactcomputers.com myself for laptop parts - best prices around. Good luck!
External speakers can be connected to the earphone jack,BUT remember the computer output is only designed to power earphones not big speakers. The speakers have to have an amp built in, like some desktop speakers. Also if you use an adapter to connect the speakers, you MUST make sure the grounds and output wires are matched correctly or you will fry the computers audio board or worse.
I have one..
There is no fuse..
Try unplugging it for a few hours & see if it clears it..
However it doesnt sound good..
Yea - 220 probably jacked it pretty good..
Probably blew the power suply inside & maybe a few other things..
The cost of parts to fix it will buy a new one..
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.
It sounds like the audio jack itself has internal damage. Depending on how it is mounted on your laptop case, or possibly on an internal circuit board inside the laptop; it might be possible to repair the jack or replace with a new 1/8" audio jack. Some soldering skill may be required after disassembling the laptop and getting access to the jack.
Make sure the balance control in your VOLUME CONTROL icon in windows tray (by the clock) is centered....
There are sliders for each output/input and a balance control for each of these. uncentred they can switch off one channel.