The sound on my laptop is not working all of a sudden!?

First of all, Go to "Device Manager" and make sure that device is "Enabled". If it's Disabled, Enable and play some music.

No success, problem is still continuing.........

It was working fine last day and not working sudden and says "this device is being used by another application" So, this stranger application must installed/activated within last day session or today.

1. Update your virus guard and scan computer for viruses.

2. Restore your system into previous date.

3. Rollback audio driver and try.

4. Uninstall and reinstall audio driver.

5. Repair operating system.

6. Install a clean copy of operating system.

Nothing works????? See a hardware technician

make helpful all quantity ranges are up and not muted. Reboot the laptop attempt headphones did no longer paintings? attempt re-installation the drivers nonetheless would not paintings? call the producer (Toshiba), you have a motherboard subject. Headphones paintings: you have a unfastened cable that connects the audio equipment to the motherboard. you could the two call the producer OR take it to a tech save and clarify the venture and that headphones paintings and you need them to attempt to reconnect the speaker cable to the motherboard.

Use system restore back a day picking a restore point and see if that will help

uninstal the audio driver.then instal the latest updated audio driver. hope it work.