Satellite C660/C850 - sounds disappears - then returns

Just a quick call to see if anyone has encountered something similar! :)

A bit of history... I work in a secondary school.
We currently have 50 laptops Toshiba C850 and 20 notebooks of Toshiba C660, although these totals, only 30 are allocated to members of the staff.

We had some staff members say the sound suddenly disappears on their laptop.
A teacher can play a clip on YouTube, DVD, or a presentation, and the sound suddenly stops working.

This affects the internal and all connected speakers speakers.
A teacher said that this anomaly occurs approximately 1 to 2 times a day, without exception.

I had a quick glance this morning and of course, a YouTube clip was playing, but not sound.
All the usual volume controls were nice and high.
I tried to play one of the default Windows system sounds and you could hear it!
I tried to play the video for YT, once again and nothing.

As soon as I reloaded the page, the sound in the video for YT worked.
However, according to the Professor, if he clicks on the control of volume and moves the cursor to create this famous "beep", it does not normally... and I think.

All laptops are on Windows 7 Pro, and run the drivers from the Support from Toshiba site.
I'll try to install the new chipset and audio drivers following, but thought I'd throw it out there to see if anyone else has experienced similar... and fixed it?

See you soon! :)

> I had a quick glance this morning and of course, a YouTube clip was playing, but not sound.
This happened to me also using a unit of Tecra A11.
The Youtube video had no sound, but if I plugged and re plugged the headphones, the sound appeared again.

I thought that it was a problem with the headphone jack but I wanted to check if this problem could be solved by reinstalling the driver.

First of all, I uninstalled the audio driver Realtek system. Then I went into Device Manager and deleted the high definition Audio Controller in the area of system devices.
In Audio, video controller and games, I've removed the Intel audio input displays.
Finally, I rebooted the system.

After restarting again recognized windows devices removed. I have checked the Read tab in the control panel-> sound and found new headphones to the device that was not visible before.

Then I started Youtube and checked the sound. She was available. Then, I installed the latest version of the Realtek HD audio driver and restarted the machine.
The noise was still there

So hopefully it was just and issue of pilot

Tags: Toshiba

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