Sound seems to have a mind of its own

jon76

Member
Ever since replacing the hard drive and re installing windows on my laptop, it seems to decide when it wants me to have sound or not. It's a Fujitsu Lifebook ah531, anyone have an idea's?
 
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Did you install drivers for the sound card?
Were there any issues before your reinstall?

Yeah, I installed drivers, I spent quite a while finding them all, so I kept them all in a file on my main computer and use them every time I reformat, this is the first time I have experienced the problem since owning it, worked fine before the install
 
okay, next up. Try external speakers and make sure that it is not simple failing speakers.

Also update your sound drivers if at all possible. It may be a bug.

Plugged it into the Aux on the surround system, as I no longer own any pc speakers, still nothing, also my step daughter uses headphone's while she is glued to Minecraft and reports the same problem. I'm just doing all the Windows updates in the hope that it might find a better driver, I have noticed update sometimes sorts out the drivers in the optional updates, thanks, if it doesn't which it probably won't, I will try and update or re install drivers. I will let you know if it works
 
I installed the updates last night and today I tested a video in you tube, I had sound, I closed the browser and tried again, still sound, I'm not confident the problem has been fixed yet though, as it sometimes does work, and I don't think there was a driver update in the windows update. I think it would now be best for me to leave it until my step daughter or girlfriend says "god why isn't the sound working!" at which point, I shall move onto the steps you have suggested
 
The problem popped up again as expected, when I looked at the sound drivers, I noticed I had a Realtek audio driver, and a hd audio driver, could this have caused a problem? there were no exclamation marks on the driver list. I have uninstalled both drivers and found the Realtek driver online and installed it, it is currently working.
 
Get a cheap USB sound card and try to use that for a while. It will bypass the SPU on the motherboard and rule that in or out as the cause. I am betting it is the cause at this point though,

Thanks I will do, I have been doing a little process of elimination of my own, and I was thinking it seems a coincidence that this also started happening around the same time as my step daughter started playing Minecraft with headphones, I restarted the system and put her game back on, and there was sound, I told her not to use her headphones for a few days and see if the problem comes back, so far there seems to have been sound ever since, is there a chance plugging the headphones in is changing a setting somewhere somehow? as restarting the system seems to resolve it
 
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I have had a similar problem recently, and I just took it into Best Buy after many grieving hours of trying to figure out what was wrong with it. I'm not entirely sure what they did, but it seemed to do the trick. Hasn't bothered me since.

Good plan, but then I wouldn't learn anything, the more computer problems I solve, with/without help, the more I learn, I would like to one day get a job repairing them, I am hopefully going back to college for it, as I still think I have a lot to learn, I have repaired quite a lot of computers for people so far though, and built a few, so I at least have basic knowledge to get myself started. I think I have learned quite a lot so far from people helping me on here with problems
 
Solved

Problem seems to now be solved, thanks everyone who helped, in the device manager there were 2 items under sound. There was one called high definition audio device, and one called Realtek High definition audio, because there was no exclamation mark, I assumed there was no problem, but I disabled high definition audio device and ever since I haven't had a problem, I don't know if it's just coincidence or not.
 
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