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Heggar Posted on Oct 02, 2013
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My laptop is windows 8 pro Sony VAIO VPCSB28GG, fn+f5, fn+f6 & fn+f7 are not working

1 Answer

David

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  • Expert 486 Answers
  • Posted on Oct 02, 2013
David
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If you could be more specific about your issue that what exactly you can see on screen or whether lights are turning on or not? In any case you need to check your power supply first using a voltmeter to ensure that out voltages are equal to mentioed rating or not and in this way you may need to try new charger,

3 Related Answers

Anonymous

  • 63 Answers
  • Posted on Mar 25, 2009

SOURCE: keyboard driver

Hi
Sony normally make there own drivers, especially that it came with Vista, You will need to look for drivers on the sony website for the keyboard.

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Anonymous

  • 385 Answers
  • Posted on May 18, 2009

SOURCE: How to activate the Fn key in VAIO?

Hi,
Press the FN function button, then on the function keys @ the top,
is a picture of a sun, up and down,

Hope this helps
Regards
Richard.

F Victor man

Victorman

  • 846 Answers
  • Posted on May 31, 2011

SOURCE: The FN key stopped working

Its probably just a broken key on the keyboard. If you know someone with a usb keyboard then plug it in and see if the FN key on that responds. if it does then it is the keyboard at fault.I would buy a new keyboard.

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Why no display on connecting smart board with sony viao laptop, Model PCG-5K1L

How do you interface or connect the smart board to the laptop . After the connection use the Fn key + f4/f5/f6/f7 to activate the displays .
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My side volume buttons on my laptop ASUS N73SV, also the fn+mute(F10)/volumeup(F12)/volumedown(F11) stopped working after i installed windows 8 pro. It worked fine with windows 7, Tho the fn+F5/F6 for

It's a commom problem when you upgrade to a new OS, Win 8. You have to find the Win 8 drivers. Is that the only thing? In Device Manager, search for hardware changes, locate Win 8 drivers at ASUS website.
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The FN key stopped working from nothing, pressing FN + F3 or f4 or f5 or f6 or f7 nothing happens

Its probably just a broken key on the keyboard. If you know someone with a usb keyboard then plug it in and see if the FN key on that responds. if it does then it is the keyboard at fault.I would buy a new keyboard.
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WhenI plug this moniter in it says No Sinc. It is pulugged in to my laptop (Vaio VGN-AX570G) as a second moniter. Do I need to download a drver or is there certain steps I need to take to get a picture?

You need to use the Fn key and either F4, F5, F6, or F7 depends on model of the SONY to activate the external monitor to be both, internal only, external only.
Then you will need to use windows display setup for the extened desk top, mirror.
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How to adjust the brightness on my sony vaio pcg-k17?

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Keyboard driver

Hi
Sony normally make there own drivers, especially that it came with Vista, You will need to look for drivers on the sony website for the keyboard.
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Sony Vaio VGN-FW25 function Key is not working

If you have downgraded, it means you reformatted your hard drive and installed a new operating system.
Now you must go to Sony's site and download the drivers for the motherboard, as they are not included in Windows.
You should be able to find your model at this link:
http://esupport.sony.com/perl/select-system.pl?PRODTYPE=1,24,26,66,9,70,5,72


Good luck

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