HP Probook 450 G1 :: Unable To Increase And Decrease Brightness

Sep 26, 2014

my hp proobook 450 G1 Brightness increase by (fn+f10) & decrease by (fn+f9) suddenly stopped working from yesterday.But i can change sound to use thekey [fn+f6] and [fn+f7]also i have a problem on my left button(controler left button) . My up,down,right button is working properly but left button is working as backspace Now what can i do?

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I have a Dell 17R 5721 Windows 8. I updated the Dell Quickset app, Digital Delivery app and the Realtek Audio Hi Def driver.  Now I see that my Waves Maxx Audio 4 function is missing and  F11 and F12 aren't working to increase/decrease volume.  I've found several related posts, but for different computers, so they don't work for me. how to restore things back to the original factory condition?

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Dell :: Can't Increase Display Brightness

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Everything had been fine until I did some updates, can't remember if this occurred after a video driver update or a BIOS update.

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Sep 18, 2014

My HP Probook 450 is with Windows 7 and the combination FN + F9/F10 is not working. The other FN keys seem to be in order, but I can't change the brightness of the desktop directly with the FN keys.

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HP Probook 4530s Display :: Unable To Install Graphic Drivers?

Sep 25, 2014

Model: HP Probook 4530s
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I own a 3.5 years old Acer Aspire 5742G (Core i3 M380; NVIDIA540M). the heat sink or the collinig fan might have some issue as it usually gets overheated when playing games (even CS condition zero/1.6). I don't play games anymore, so its not a problem.
 
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HP Probook 4440s Networking :: Unable To Start WiFi Hotspot - Wireless Local Area Network Interface Is Power Down

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I bought my 1640 refurbished and it had eveything I wanted except for Blue Ray. So to rectify this I went on a search for a Blue Ray that would fit - Dell wanted $389 for a refurb-

I found a a tear down picture and zoomed in to get the part number BC-5600S. I confirmed this with the service manual.

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Apple :: Little Underside Case Mod = Big Temp Decrease

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Here's the link: [url]

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Dell
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