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Technical Details

Item Info
Recommended Download driver for: SONY VGN-TX770P/B
Category Notebooks
Manufacturer SONY
Supported System Win 7, Win 10, Win XP, Win 8, Win Vista, Win 8.1, Win Server 2003
File Size 2348 kb
Released 06/04/2016
Device SONY VGN-TX770P/B
MD5 2b22f25424ec012c4204da7e52788aad
Description LAN-Express AS IEEE 802.­11 Wireless LAN Driver for SONYVGN-TX770P/­B
This utility updates the LAN-Express AS IEEE 802.­11 Wireless LANDriver to version 7.­1.­0.­90 and provides compatibility with theMicrosoft® Windows Vista™ operating system

The Safest Way to Update Sony Drivers

There are a number of typical alerts along with other messages that you might get in the driver updating procedure, several of which I've paraphrased and listed right here together with guidance on what you can do:

QUESTION: I reformatted my Sony VAIO hard drive. I re-installed almost all Windows 7 updates, then installed all VAIO software updates, like VAIO Care updates, all through VAIO Update Manager. The latest update offered to me on that date was VAIO Care Update version 8.4.4.09181, which was automatically downloaded and installed properly. Under my Control Panel's "add/remove programs", it also shows that this is the latest update installed. MY PROBLEM is that VAIO Update keeps nagging me to install an earlier version of VAIO Care (8.4.3.07161). Obviously, it will not install because it is an earlier version number than the one I already have installed. I verified through VAIO Update Manager (under installation history tab) that the installation was successful. When I clicked on the version I have installed (8.4.4.09181), I am directed to a Sony webpage that says that it's an "invalid entry" (http: //esupport.sony.com/US/perl/swu-download.pl? upd_filename=EP0000323829.exe). When navigating to the appropriate Sony webpage for driver updates for my model number, that update version number is also missing. Did Sony withdraw an update? If so, what am I supposed to do about it? When I Google the version number I've got currently installed, I can find a few entries listed; when I click on any of them, they direct me to pages that no more exist. Can anyone at Sony give me input on this? Thanks.

ANSWER: I checked the site and the most recent version that only reveals is the Up-date VAIO Care Update 8.4.3.07161. This is why the 8.4.3.07161 model keeps on turning up. I can't really inform why Vaio Care 8.4.4.09181 automatically updates on the laptop, while you said in the previous post. What you can do is now to un-install/reinstall VAIO Care then following reinstalling, download all the up-dates on the website.
I really hope this helps.

How to Update Drivers with Device Manager?

  1. Driver updates for Windows 10 and many devices (such as monitors, printers, and video cards) are automatically downloaded and installed through Windows Update.
  2. While it's likely you already have the most recent driver, if you're having trouble with a device, you can try fixing it by updating the driver or reinstalling it. Here's how:
    • Select the Start button, type Device Manager, and select it from the list of results.
    • Expand one of the categories to find the name of your device, then right-click (or tap and hold) it, and select Update Driver Software.
    • Select Search automatically for updated driver software.
    • If Windows doesn't find a new driver, you can try looking for one on the device manufacturer's website and follow their instructions.
  3. If these steps don't work, try reinstalling the driver: Open Device Manager, right-click (or tap and hold) the name of the device, and select Uninstall. Restart your PC and Windows will attempt to reinstall the driver.


To update driver for SONY VGN-TX770P/B using Windows Update.

You can check Windows Update any time to see if it's found updated drivers for your devices, especially if you recently installed a new device. Then, you can install the updated drivers. Here's how:

  1. Open Windows Update by clicking the Start button. In the search box, type Update, and then, in the list of results, click Windows Update.
  2. In the left pane, click Check for updates. If there are any available updates, click the links to see more information about each update. Windows Update tells you if an update is important, recommended, or optional. Each type of update might include drivers for SONY VGN-TX770P/B.
  3. On the Select the updates you want to install page, look for updates for your SONY VGN-TX770P/B, select the check box for each driver that you want to install, and then click OK. There might not be any available driver updates.
  4. On the Windows Update page, click Install updates. If you're prompted for an administrator password or confirmation, type the password or provide confirmation. Windows Update will tell you if the updates were successfully installed.

That error still there? Don't Worry! Download & Try DriverTuner

install drivers

1. Click here to download a Professional Driver Updater and install it


scan for drivers

2. Scan your computer for out-of-date drivers. Select the ones(here you should select SONY VGN-TX770P/B) which need to be updated and click download. Or you can just check SELECT ALL.


download drivers

3. When the download process is finished, click SETUP to install them. Voila! Your driver for SONY VGN-TX770P/B has been updated. Sometimes you need to reboot your computer to put the changes into use.


install drivers
Description Compatibility Fix Driver Problems
Driver Update Tool
Windows 10, 8, 7, Vista and XP
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