Log in or Sign up to hide this advert. You must log in or sign up to reply here. Acpi Wec now has a special edition for these Windows versions: I have just been looking at SiS website in another thread and I expect the main chipset drivers are installed by Windows. Is that your model number? Thank you for choosing Sony.

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Unknown Device driver free download for windows – Sony Corporation – PCV-WB

Windows 10, Windows 8. For full access please Register. Is your laptop considered a series a2h? Acpi Wec File Name: I have wec clue what this is. OK you way out.

You are viewing our forum as a guest. Log in or Sign up to hide this advert. Have you tried uninstalling the device in device manager then rebooting and letting the hardware wizard find the driver?

Acpi Wec0515 Driver Download

ACPI, which will be part of the next version of Windows, enables the operating system to control the amount of power given to each device attached to the computer.

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You should see it listed with a yellow exclamation mark. Unknow Device in Winxp I have an unknow device with a question mark under the subcategory, other devices. Other benefits of registering an account are subscribing to topics wsc0515 forums, creating wdc0515 blog, and having no ads shown anywhere on the site.

Definitely a driver issue, what kind of machine is it? My interpretation of the problem is that the drivers for the ACPI were installed in the wrong order with other chipset drivers.

Post back when you can Mitch. Share This Page Tweet. It came with modified wec051, I just backed it up and tried with wec winxp and it worked, xbit, max resolution x colours. Reboot and this should clear up the question marks in device manager. DriverGuide maintains an archive of wec055 available for free Download.

You may be lucky Matt. Reboot and this should clear up the question marks in device manager. Visit our Driver Support Page for helpful step-by-step videos.

Acpi Wec Driver Download

Will get back to Mitch on specs later. Choose from the wec wed0515 or use our customized search engine to search our entire driver archive.


I wear a lot of hats This option requires basic OS understanding. I already have chipset updates. Reboot and see if XP finds a suitable driver for it. Maybe it is for my memory stick slot.

To download, select the best match from the list below and then wec055 the Download button. No, create an account now.


We employ a team of techs from around the world who add hundreds of new drivers to our archive every day. It is the 5th item from the bottom of the search page. Please let us know what you find out from Sony.

Pci Simple Communications Controller. Double click the driver download to extract it. While looking in the device manager I came across an unknown device.