Question about Toshiba Satellite A135-S2276 Notebook

2 Answers

USB not working after resetting bios on toshiba a135

After resetting bios on toshiba a135 the port usb not working e shown "Usb device not recognized" for any device (pen, printer )

Bios version: 1.4

Windows Vista

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  • felixpatajo Sep 28, 2008

    my Toshiba Satellite A135-S2276 usb port is not working after updating bios. all my usb port does not recognized my flash drive, webcam. is there any other solution for this kind of problem? my friend told me to try to use a pci adapter card bus with usb port. will it work?



2 Answers

If you open Device Manager, do you see exclamation marks or red "x" sings on it or question marks from the USB Host Controllers? If yes, what is the error code? It helps if you post the error codes. If it doesn't have any, the IRQ of those USB ports have been changed by the BIOS update and you may need to downgrade BIOS. Only Authorized Service Providers by the way have the tools to downgrade BIOS.

Try running Everest. You can get it here. it usually identify devices even without drivers loaded then we can start from there to what drivers we need to install

Hope this helps

Posted on Sep 30, 2008

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  • 277 Answers

Try using other usb port,,, .. run device manager and remove auknown device file... restart the computer...and also go to the cmos bios and find usb configuration the enable it..

Posted on Mar 14, 2008


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Turn off computer and try connecting an older mouse to the mouse port. If it works:

Right click Computer>click properties>click hardware>click Device Manager> click USB adapters. Then check to see if some of them are marked. Also you can click on each one to see if each is OK. Make sure that USB is enabled in the BIOS.

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