While a cold solder joint is possible, they don’t normally manifest into problems years down the road, unless the device has been through some sort of physical abuse Ex: If really a hardware issue, I would suspect a failing component, or bad “mechanical” connection Ex: Its been 3 days now I’m using the laptop without sound. Al;ready set to auto DM – thanks. No audio output device is installed Have you installed the Audio driver? Join Date Jul

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No audio output device is installed Let’s hope it sticks.

I have downloaded the link you gave me then install it and restarted the laptop but its still the same, I have no sound and red mark with white cross is still shown in the speaker icon on the bottom right of my screen.

Now playing media player no problems. I hope for those who experience this, try this, remove the internet connection after shutting down like if you are connected thru wired just remove it from the laptop or if you are connected via wifi just close the wifi button in the laptop or go out in the house where it cannot detect the wifi if you don’t want to turn the wifi switch off.

Glad you got it sorted out and thanks for the followup. Wonder if it will start tomorrow when cold? Try My Computer – click system settings – advanced settings -hardware tab click device installation settings – select “Yes,do this automatically” – click save settings. No audio output device is installed Because notebooks are so proprietary, I generally recommend users stick to the notebook maker’s site for drivers, and not the device makers.


Of course “normally” and “generally” are not absolute and there certainly can be exceptions, but I suspect a driver compatibility issue, or a connection issue. Decided to strip it down as the fan was a bit noisy. No audio output device is installed Just taken off the two covers on the back. When the sound kicks in there’s no problem.

I also reinstall the Realtek HD audio driver back, and still got no sound and game controller in my device manager. Once again, no entry under sound in DevMan. So if your pc doesnt know how to use the speakers, it wont work so search in google “Toshiba Satellite U speaker drivers” and you should get links to it.

Toshiba Satellite U300 laptop sound card drivers

toxhiba Welcome to the Toshiba Support Forum, created for customers and enthusiasts to share knowledge, solve problems and discuss technology. I went from Soumd to Windows 7 and installed what I thought to be all the drivers and now Windows Media is telling me I have no drivers to get cd to play. Join Date Aug Now I cannot detect any issues with Vista either on SFC scannow, disc check, Surt tool or device manager – all devices working properly when present.


That windows start up sound – music to my ears! Community Blogs Member List.

Forum Actions Mark Forums Read. Results 1 to 10 of Thanks for the follow up post. The time now is No audio output device is installed As an addendum to the above I feel obliged to report that toshoba fault reappeared when the machine was switched on after a few weeks rest. Any errors noted in Device Manager?

This suffers the same cold starting problem. All working including the sound. I am installing Windows 10 on my Toshiba Satellite now so we will see what I run into.

TOSHIBA Satellite U – No audio output device is installed – TOSHIBA FORUM

Can you confirm that the 4 wire connector is the speaker connection? Downloaded the driver from Realtek and device was recognized and sound working. Have you tried to roll h300 OS to earlier time before updates installation and check the functionality?

Where to start looking is the issue? Join Date Jul Log in Remember Me?