Download Sony Drivers For Windows 8.1 Install Update
PCs running Windows RT 8. Windows comes with drivers for many devices, such as printers, displays, keyboards, and TVs. A driver is software that a device uses to work with your PC. Every device needs a driver to work with your PC. Windows can also download device software and info. This might include an app that the device manufacturer created to go with your device or info like the product name, manufacturer, and model number, to help you distinguish between similar devices.
Drivers are updated occasionally. Windows can update them automatically, or you can install the updated drivers yourself. It's important for you to have confidence in the updated drivers you install. Windows notifies you if it detects a suspicious or unsafe driver you shouldn't install.
Automatically get the latest drivers and software Windows Update checks for updated drivers and software for your devices and install them automatically. Installing drivers yourself If your device came with a disc, it might contain software that installs a driver.
Before you install a driver from a disc, check the info that comes with it to be sure it supports your current version of Windows. You can also search for new drivers on the manufacturer's website. Driver updates are often available in the support section of their website. Download the latest driver for your device, and follow the installation instructions on the website.
You can usually double-tap or double-click the downloaded file to install the driver on your PC. If the driver you got from a disc or downloaded from a website doesn't install itself, you might need to install manually. You must be signed in as an administrator to follow these steps. Notifications telling you about unsafe drivers Occasionally, you might see a notification that a driver is unsigned, has been changed since it was signed, or can't be installed by Windows. We recommend that you don't install unsigned or changed drivers.
A digitally signed driver includes a digital signature, which is an electronic security mark that indicates the publisher of software and whether someone has tampered with it since it was signed. If a driver has been signed by a publisher that has verified its identity with a certification authority, you can be confident that the driver comes from that publisher and hasn't been changed. If you see any of the following notifications when you're installing a driver, you should stop the installation and go to your device manufacturer's website to get a digitally signed driver for your device.
The driver doesn't have a digital signature or has been signed with a digital signature that wasn't verified by a certification authority. You should only install this driver if you got it from the manufacturer's disc or from your system administrator. The driver hasn't been digitally signed by a verified publisher. The driver might have been changed to include malware that could harm your PC or steal info.
In rare cases, legitimate publishers do change drivers after they've been digitally signed, but you should only install an unsigned driver if you got it from a device manufacturer's disc.
Unfortunately, there's no trustworthy source of info that indicates who has published an unsigned driver.
Anyone can change the contents of an unsigned driver, and there's no way to know why it was changed. Most manufacturers now digitally sign the drivers they create before releasing them to the public. A driver that lacks a valid digital signature, or has a signature that was changed after it was signed, can't be installed on bit versions of Windows. You'll only see this notification if you have a bit version of Windows and try to install such a driver on it. Did this solve your problem?
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Download Windows Driver Kit 8.1 Update 1 from Official Microsoft Download Center
Thank you for posting your query on this forum. I will try my best to assist you with this query. The Sony website does not provide any Windows 8. Click on this link to find the details of this driver:. Thus, I would suggest you to visit the Realtek website and search for the latest high definition audio drivers. If available, you may download and install it and check if that resolves the issue. Click on this link to download these drivers:
Download SONY PCG-71211V Drivers
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