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Acer Travelmate 8100 when pressing fn and f5 nothing happens


I have a Acer Travelmate 8100 when pressing fn and f5 nothing happens.
It has always worked when i press fn f5 there a option screen you choose what you want. But now nothing happens i have checked bios settings but not sure what else to check as i have not worked with acer machines much

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  • Alan Karpe
    Alan Karpe Mar 22, 2008

    I am having the same problem Pressing the special "fn" and the "F5" was working until today. It allows you to switch from the laptop screen to an external monitor. The selections were Laptop, Esternal monitor or both. Now nothing coms up with the key press combination.



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I found the problem. The drivers needed for the keyboard are:

provided by Dritek System Inc. Version 1.3.00

I looked at the current drivers for the keyboard. Somehow the keyboard must have been reinstalled or drivers got corrupted. I did a system restore to a time before I installed some new hardware and drivers. Then I looked at the drivers for the keyboard through the control paned =>
keyboard =>
hardware Tab =>
Standard keyboard =>
properties =>
Driver Tab =>
driver details.

And found that the drivers were different except for the last one in the above list

You can update the drivers. Do a search for the first one in the list and the second one in your windows directory(search for hidden files and system files). I found the files in my system32/drivers directory. You may also find it on the disks that came with the Acer.

I have looked on-line for the first one and could not find it. perhaps a better search term swould find it. I also looked on Ace rs site.

Good luck,


Posted on Mar 22, 2008

  • Alan Karpe
    Alan Karpe Mar 22, 2008

    In case you are having problems finding the file DkbFltr.sys I have uploaded it to I also noticed it in another place on the PC You might want to make sure that it is there also.


    The uploaded file should be on within 24 hours(They need to check the file for bad things)

    If you have problems finding the 8042prt.sys
    post here and I will upload that one as well.



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Check the button symbol again....
in hp it is for sllep....
bt no laptop has meno for screen...
so buddy try to find wat the symbol on f5 symbolises...

hope u sought ur problemmm


Posted on Jan 10, 2008


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