No sound on Toshiba Laptop after re-installing Windows XP

By jason.cook ·
I wonder if anyone can help me...

I've recently purchsed a laptop off ebay and trying to be a little security/data concious i decided to format it and re-install Windows XP. The baisc details are as follows:

Model - Toshiba Tecra A2
RAM 512mb
OS - Windows XP Home Edition SP2

The rebuild seems to have worked except i no longer have any sound. Before the rebuild the sound worked perfectly so im sure i have the hardware i need, however when i look in the Control Panel under Sound and Audio devices there is no device listed, the fileds are all greyed out, although the hardware tab does list a Multimedia Audio Controler that it says is not configured correctly. There is also no volume icon in the system tray.

I've tried clicking on Properties on the hardware tab (within Sound & Audio Devices)and reinstalling the driver for the Multimedia Audio Controler, but half way through this the process says the driver has not passed Windows logo testing to verify compatibility with Windows XP and asks if i want to continue. I continue and it asks me to insert a CD with Realtek AC97 driver. I dont have this CD but if i click OK it gives an option to navigate to a folder with ALCXWDM.SYS. I found this file in C:Program Files/Realtek AC97. When i select this and click OK i get what i belive is known as the 'blue screen of death' and the system crashes.

I've also tried downloading AC97 drivers from the web and installing directly (, sometimes the installation completes but i still dont get any sound. Sometimes it crashes during the installation (inc direct from Realtek). I've looked at various similar posts on this site and some others and tried various drivers from links they suggest (have also tried some Sigma Tel drivers). None have worked.

If its of use the following devices are listed in the Hardware tab of the Sound and Audio devices box:

Toshiba DVD ROM
Multimedia audio controller (PCI Bus 0, device 31, function 5)
Audio Codecs
Legacy audio drivers
Media control devices
Legacy video capture devices
Video Codecs

All are listed as working properly except the Multimedia audio controler.

If anyone can offer any help id be really grateful. Please let me know if you need me to provide any further info.

Thanks in anticipation.

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All Answers

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Be very careful - I think your drivers are wrong !! ...

by OldER Mycroft In reply to No sound on Toshiba Lapto ...

I might be mistaken but from what I can garner online, the Tecra has a Sound Blaster 16 sound system. This means that attempting to install Realtek drivers could result in permanent damage to the chip!

Could you post back with the system spec for this Tecra, particularly the CPU type, please.

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System Spec'

by jason.cook In reply to Be very careful - I think ...

Thanks for the response, i got the lap top off ebay so im not 100% sure of the spec', however i did run an Everest report which identified the sound card as Realtek (perhaps incorrectly?. Below is a copy of the key system info it found for me, hope this helps?

Operating System Microsoft Windows XP Home Edition
OS Service Pack Service Pack 2
DirectX (DirectX 9.0c)
User Name Owner

CPU Type Mobile Intel Celeron M 340, 1500 MHz (15 x 100)
Motherboard Name TOSHIBA TECRA A2
Motherboard Chipset Intel Montara-GM+ i855GME
System Memory 496 MB (DDR SDRAM)
BIOS Type Toshiba (04/28/04)
Communication Port Communications Port (COM1)
Communication Port ECP Printer Port (LPT1)

Video Adapter Intel Extreme Graphics 2
3D Accelerator Intel Extreme Graphics 2

Audio Adapter Intel 82801DBM ICH4-M - AC'97 Audio Controller [B-1]

IDE Controller Intel(R) 82801DBM Ultra ATA Storage Controller - 24CA
Disk Drive TOSHIBA MK4025GAS (40 GB, 4200 RPM, Ultra-ATA/100)
Optical Drive TOSHIBA DVD-ROM SD-R2512 (DVD:8x, CD:24x/24x/24x DVD-ROM/CD-RW)
SMART Hard Disks Status OK

C: (NTFS) 38146 MB (33299 MB free)

Keyboard Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
Mouse PS/2 Compatible Mouse

Network Adapter Intel(R) PRO/Wireless 2200BG Network Connection (

USB1 Controller Intel 82801DBM ICH4-M - USB Controller [B-1]
USB1 Controller Intel 82801DBM ICH4-M - USB Controller [B-1]
USB1 Controller Intel 82801DBM ICH4-M - USB Controller [B-1]
USB2 Controller Intel 82801DBM ICH4-M - Enhanced USB2 Controller [B-1]
Battery Microsoft AC Adapter
Battery Microsoft ACPI-Compliant Control Method Battery

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Different 'Tecra' - different sound chip ...

by OldER Mycroft In reply to System Spec'

Although it is odd for two different sound systems within one chassis.


Ignore my ramblings. :)

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by jason.cook In reply to Different 'Tecra' - diffe ...

I did get it off ebay so maybe the person i bought it off changed it / rebuilt it or something? Anyway, im still none the wiser maybe a soundblaster driver would work (just kidding)!

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You have very likely not reinstalled Windows

by tintoman In reply to No sound on Toshiba Lapto ...

If you had done a clean install of windows there would not be a Realtek folder on the C drive.
Therefore either you have done a windows repair operation or you have already downloaded some software for the sound.
I would suggest that you visit the Toshiba website to get drivers for your model of laptop.

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Realtek folder

by jason.cook In reply to You have very likely not ...

Hi, thanks for the response. To be honest I think the Realtek folder on the C drive was from one of the driver downloads i did. Im pretty sure i did a full Windows install.

Ive tried the Toshiba website already, to no avail. Any further ideas would be gratefully received.

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Get your drivers here...


Please post back if you have more problems or questions.

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didnt seem to work

by jason.cook In reply to Get your drivers here...

hi, thanks for the link, i downloaded the driver from the toshiba site in your link. It was a sigma tel driver and it gave me the volume icon etc in the system tray, but still no sound (i checked nothing was muted etc and it wasnt). Any further ideas?

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Go into the sound....

Settings on the "control panel" and see if you can select the sound through there. Hope this helps you.

Please post back if you have more problems or questions.

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i have same problem

by kareno99 In reply to No sound on Toshiba Lapto ...

Hi Jason
I have just googled my problem which seems to be exactly same as yours only a different model number, have you had any luck on how to resolve the audio device?


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