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Windows 7: F24 Key code constantly registering = multiple issues.

08 Jan 2010   #1
bstrong

windows 7 64bit
 
 
F24 Key code constantly registering = multiple issues.

Hi everyone,

I can't seem to track this down and I don't really want to do a clean install after setting up my environment for work. I'm not sure if this happened out of the box or not. I'm hoping someone will have magic solution that will save hours of reinstalling...

I first noticed the problem when having multiple windows of the same type open. The taskbar by default would stack these. To switch between them you would hover over the stacked icon and that would bring up a grid or list of the windows above the icon. On m machine this 'preview' would only flash and then disappear. I also noticed the screensaver would never come on, alt+tab window switching would also flash and then go away, and there were some other general 'window focus' issues. After googling for a solution and reading some related issues I got the idea to write a quick app that would display keystrokes and mouse presses to a window. For some reason the F24 key is constantly being sent to the OS. I don't have a F24 key(I'm thinking it is either a combination of keys or a storage for a hotkey). Since I don't have a physical F24 key I'm thinking it has to be a software issue. I've tried killing processes one at a time and testing to see if it helps without any luck. I've run out of ideas without doing a clean install. Does anyone have any other ideas???

I have an Alienware m17x, core duo T9600 2x 2.80Ghz, 4GB Ram, NVIDIA GeForce 9400 running Windows 7 Home Premium 64 bit

Please Help


My System SpecsSystem Spec
.

08 Jan 2010   #2
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

It appears that it is a virtual key code which = home:

Virtual Key Codes

Is it possible that you have a stuck key?
My System SpecsSystem Spec
08 Jan 2010   #3
bstrong

windows 7 64bit
 
 

The code is "F24" not 24. That does not have a direct key association.
My System SpecsSystem Spec
.


08 Jan 2010   #4
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Okay, going down the same list, it shows:

Code:
VK_F24 	87H	     F24 key
What 87H would stand for, I have no idea.
My System SpecsSystem Spec
08 Jan 2010   #5
bstrong

windows 7 64bit
 
 

It probably just means 87 in hex which = 10000111 in binary and is what the OS passes around. I don't think it has a direct value to input by default.
My System SpecsSystem Spec
08 Jan 2010   #6
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

You may well be right, but it makes no sense to me to associate any hex value to a keystroke, unless there is a use for it.
My System SpecsSystem Spec
14 Nov 2010   #7
alienwhere

Windows 7 Ultimate 64 bit
 
 
Same problem on same system!

I also have an alienware m17x that is (for lack of a better term) spamming the F24 function key twice a second CONSTANTLY! Please, does anyone have any insight into this issue?
My System SpecsSystem Spec
14 Nov 2010   #8
madtownidiot

 

Something like that can probably only be done with a malicious script... try booting to safe mode and see if it happens there.
My System SpecsSystem Spec
09 Dec 2010   #9
andmike

Windows 7 Ultimate x64
 
 

I am having the same issue. I see that mine is hitting the "International 5" key every half second or so. I looked this up and it translates out to "muhenkan 0x7B 0x8B Keyboard international 5"

So, it is thinking it is hitting some standard Japanese key I think

Has anyone found a fix?
My System SpecsSystem Spec
30 Dec 2010   #10
stepht

Windows 7 Home Premium x64
 
 

I also have troubles with the stuck F24-key.
87 (16)=135 (10) is the Windows Scancode for F24.
I dont think that it colud be a malicious script because if you put Windows into Hibernate while the key is stuck and then resume, the problem is solved.
Because of this and other problems Dell replaced my motherboard 8 times, graphics card 4 times and once my keyboard. Even after reinstalling windows the issue persists. Dell's engineers dont know the problem so I am going to get my money back (They say that since summer).
My System SpecsSystem Spec
Reply

 F24 Key code constantly registering = multiple issues.




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