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Details about this Driver

Item Info
Recommended Download driver for: SONY VGN-Z790JAB
Category Notebooks
Manufacturer SONY
Supported System Win 7, Win 10, Win XP, Win 8, Win Vista, Win 8.1, Win Server 2003
File Size 8505 kb
Released 06/05/2015
Device SONY VGN-Z790JAB
MD5 e1820c99a70134f12606c453560ac49b
Description VAIO Location Utility driver for SONYVGN-Z790JAB
This utility installs the originally shipped version of the VAIOLocation Utility

Simple Way to Update Sony Drivers

There are a number of frequent warnings as well as other messages that you could get in the driver upgrading procedure, several of which I've paraphrased and listed right here together with guidance on what to do:

QUESTION: So I have a Sony Vaio SVD1322BPXR and the usb ports are not working. Optical 3 button mouses cannot connect nor can my USB both of which work on other computers. I have absolutely no idea what the problem is.

Although, I looked into device manager and found USB root hub xhcl had an exclamation mark next to it. It says that it cannot load the device driver for this hardware. The driver could possibly be corrupted or missing. (Code 39). Once I try to update the driver for it it says the driver is up to date. Does this have anything to do with it?

I've also tried uninstalling all the usb extensions and rebooting. It did nothing (All the extensions came back even xhcl with the exclamation mark).

I really don't know what to do and any help will be appreciated.

ANSWER: Possibly the driver is corrupted or the USB devices are busted. Let's isolate the issue. Kindly follow these steps:

  • Power cycle - Remove the battery and all peripherals -> press and hold the power button for 5 seconds OR, if the battery is not removable, remove all peripherals -> look for a battery off button on the bottom of the laptop -> push the button for 5 seconds
  • Reset BIOS
  • Download the drivers for your Sony device.
  • Run Vaio update and Windows update.

How to Update Drivers with Device Manager?

1. Find Control Panel.



Depending on your version of Windows, Control Panel is usually available from the Start Menu or the Apps screen.

What you do next depends on what Windows operating system you're using:

  • In Windows 10 and Windows 8, tap or click on the Hardware and Sound link.
  • In Windows 7, click System and Security.
  • In Windows Vista, choose System and Maintenance.
  • In Windows XP, click Performance and Maintenance.

Note: If you don't see these options, your Control Panel view may be set to Large icons, Small icons, or Classic View, depending on your version of Windows. If so, find and choose Device Manager from the big collection of icons you see and then skip to Step 3 below.

2. Open Device Manager

  • In Windows 10 and Windows 8, check under the Devices and Printers heading.
  • In Windows 7, look under System.
  • In Windows Vista, you'll find Device Manager towards the bottom of the window.
  • Windows XP Only: You have a few extra steps since Device Manager isn't as easily available in your version of Windows.

From the open Control Panel window, click System, choose the Hardware tab, and then click the Device Manager button.



3. With Device Manager now open, you can view a device's status, update the device drivers, or do whatever other hardware management you came here to do.




To set Windows to install recommended updates

To automatically get available driver updates for your hardware, set Windows to install recommended updates. You can set Windows to automatically install important and recommended updates or important updates only. Optional updates aren't downloaded or installed automatically. To get all available updates for your devices, periodically check Windows Update for optional updates.

  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 Change settings.
  3. Under Important updates, click an item in the list. You can decide which updates to automatically download and install.
  4. Under Recommended updates, select the Give me recommended updates the same way I receive important updates check box, and then click OK. If you're prompted for an administrator password or confirmation, type the password or provide confirmation. You can also allow anyone using your computer to install updates by selecting the Allow all users to install updates on this computer check box.

That error still there? Don't Give Up! Try DriverTuner

install drivers

1. Click here to download DriverTuner and double click it to install


scan for drivers

2. Scan your PC for out-of-date drivers. Select the drivers(here you should choose SONY VGN-Z790JAB) which need to be updated and click download. Or you can just check SELECT ALL.


download drivers

3. When the drivers are downloaded, click SETUP to install them. That's it. Your driver for SONY VGN-Z790JAB has been updated. Sometimes you need to restart your computer to let the changes take effect.


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