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Like the original enquirer I had no idea how to instal, though then I saw your most recent post on the subject.I have checked device manager human interface and the Sony Firmware Ext Paser driver is present. I have downloaded the appropriate SFEP driver for model from site. Hi I am having a similar difficultity with a bz21vn following a clean instal of win 7. Install the Sony Utilities (come back if you need help)Good Luck. Install any other uninstalled drivers.15. If it works, pour yourself a big drink!14. If you get a warning screen, select 'Install Anyway'.12.
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Browse to your downloaded SFEP driver.inf file. Select Let me pick from a list of device drivers on my computer.7. Select Browse my computer for driver software.6. Only if this ID matches you can now click the 'Drivers' tab and click to 'Install Driver' as normal.5. Sony Vpccw21fx Bios UpdateĬhoose this option and make sure that the hardware ID is SNY5001. In the drop down box one of the items will be Hardware ID.4. If you find this then right click the device and choose 'Properties' and then find the 'Details' tab.3. Look for one either called 'Unknown Device' or something like 'Intel LPC Device' with a yellow exclamation mark next to it.2.
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If it is not there open device manager and check for devices that Windows did not automatically install. If its already there then it is already installed and you can carry on installing the other drivers and utilities in order.1. Base System Device Driver For Sony Vaio Vpccw21fx Manualīefore installing SFEP check in Device Manager under 'Human Interface Devices' for the Sony Firmware Extension Parser driver.