When pressing the "c" key it displays either mvx, c'/

007Peter94

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When pressing the "c" key it displays either mvx or c'/. Sometimes other letters and symbols are displayed as well. I think it might be a Registry problem but don't really know my way around. It does not always do this but when it does do it,it is really annoying and difficult to do many things. Any help is appreciated.
Thanks in Advance, Peter.
 

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Does only the one key type the wrong character? Could be a dirty contact. If this is a desktop, try the keyboard on another computer.
 

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yes, only the one key types the wrong characters, no, it is a laptop, and when it types the wrong character it can either type "mvx(enter)" or "c'/" or the letter "c" depending on how much it would like to annoy me.
 

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Windows 7 Ultimate x32Duo T94004GB1GB NVIDIA
Computer Manufacturer/Model Number
ASUS N50VN
OS
Windows 7 Ultimate x32
CPU
Duo T9400
Memory
4GB
Graphics Card(s)
1GB NVIDIA
Hard Drives
500GB
It used to do this a while ago, but then stopped for ages and has only now started doing it again.
 

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Windows 7 Ultimate x32Duo T94004GB1GB NVIDIA
Computer Manufacturer/Model Number
ASUS N50VN
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Windows 7 Ultimate x32
CPU
Duo T9400
Memory
4GB
Graphics Card(s)
1GB NVIDIA
Hard Drives
500GB
Try the On Screen Keyboard. It is in All Programs > Accessories > Ease of Access. If that works properly, then it is a keyboard problem.
 

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Could not start On-Screen Keyboard. Error.

This has never happened before, I think it is registry issue, what should that part of my registry look like.
 

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Try an sfc /scannow in elevated Command Prompt. Maybe it can fix it.
 

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from 1.6GHz Duo to i7
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with trackball - no mices
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Try an sfc /scannow in elevated Command Prompt. Maybe it can fix it.

Tried this and it did not detect any issues.
 

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Windows 7 Ultimate x32Duo T94004GB1GB NVIDIA
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Windows 7 Ultimate x32
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Duo T9400
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4GB
Graphics Card(s)
1GB NVIDIA
Hard Drives
500GB
Do you have any other keyboard that you could try - or any live CD (to exclude an OS problem).
 

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Vista, Windows7, Mint Mate, Zorin, Windows 8
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from 1.6GHz Duo to i7
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2x HP w2207
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5x HDD, 7x SSD, 12x Externals
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with trackball - no mices
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It is not the keyboard, when I turn my computer on at first the "c" key malfunctions but after a few hours it starts to work again with no sign of it not working.
 

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Windows 7 Ultimate x32Duo T94004GB1GB NVIDIA
Computer Manufacturer/Model Number
ASUS N50VN
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Windows 7 Ultimate x32
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Duo T9400
Memory
4GB
Graphics Card(s)
1GB NVIDIA
Hard Drives
500GB
It is not the keyboard, when I turn my computer on at first the "c" key malfunctions but after a few hours it starts to work again with no sign of it not working.

How could you know for sure, it's not your keyboard, unless you test the device on a different computer.

Or use a different keyboard on your machine.

Have you done any of this?

If not, you should. This is a first step in diagnosing your issue.

We cannot properly diagnose your issue... unless you follow our suggestions. Then let us know the results.

What type of keyboard are you using? Is it a wired USB, or a wireless?

However, If the keyboard is not the issue, try a repair install. And if that does not work a system recovery. ;)
 
Last edited:

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windows 7 home premium 64 bitAMD Phenom(tm) II X4 830 Processor, 2800 Mhz,...12.00 GBATI Radeon 4200
Computer Manufacturer/Model Number
HP/ Pavilion P6751C
OS
windows 7 home premium 64 bit
CPU
AMD Phenom(tm) II X4 830 Processor, 2800 Mhz, 4 core
Motherboard
N-Alvorix-RS880-uATX (Alvorix) motherboard
Memory
12.00 GB
Graphics Card(s)
ATI Radeon 4200
Sound Card
Creative Labs Sound Blaster Recon3D
Monitor(s) Displays
46" Sony TV KDL-46NX810
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1920x1090P
Hard Drives
1 TB
PSU
Internal 250W
Case
Mid-size ATX
Cooling
1 rear case fan
Keyboard
Logitech USB Wireless K800
Mouse
Logitech USB Wireless M305
Internet Speed
22mb-28mb
It`s a laptop people. It`s most definitly the keyboard.
As suggested if you had a usb keyboard around, plug it in and test.
 

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It`s a laptop people. It`s most definitly the keyboard.
As suggested if you had a usb keyboard around, plug it in and test.

Thanks, for the heads up on it being a laptop. I missed that one.
 

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windows 7 home premium 64 bitAMD Phenom(tm) II X4 830 Processor, 2800 Mhz,...12.00 GBATI Radeon 4200
Computer Manufacturer/Model Number
HP/ Pavilion P6751C
OS
windows 7 home premium 64 bit
CPU
AMD Phenom(tm) II X4 830 Processor, 2800 Mhz, 4 core
Motherboard
N-Alvorix-RS880-uATX (Alvorix) motherboard
Memory
12.00 GB
Graphics Card(s)
ATI Radeon 4200
Sound Card
Creative Labs Sound Blaster Recon3D
Monitor(s) Displays
46" Sony TV KDL-46NX810
Screen Resolution
1920x1090P
Hard Drives
1 TB
PSU
Internal 250W
Case
Mid-size ATX
Cooling
1 rear case fan
Keyboard
Logitech USB Wireless K800
Mouse
Logitech USB Wireless M305
Internet Speed
22mb-28mb
This issue has not occurred again for sometime, it seems to happen for a while then stop for about a year and a half and then start again. It has somehow resolved itself and I have done nothing to try and fix it so...I don't know why this happens. Also I have tried other methods such as using other keyboards and it is not the issue, it still happened.
 

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Windows 7 Ultimate x32Duo T94004GB1GB NVIDIA
Computer Manufacturer/Model Number
ASUS N50VN
OS
Windows 7 Ultimate x32
CPU
Duo T9400
Memory
4GB
Graphics Card(s)
1GB NVIDIA
Hard Drives
500GB
hi i had the same issue too.tried every thing ended replacing keyboard works fine now.I had 2 keys malfunctions
t and q
HP-G61 Windows 7 starter
 

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hi 007peter94, i have the same problem exactly. IE pressing c on the keyboard results in:mvx{ENTER}. There is one other reference i found online to this problem but the solution was hopeless, however another user chimed in saying they had it as well. Are you using an Asus Pro61s? It is heartening that you said it went away. Looks like I'll be using an external keyboard for now. It happened for 10 minutes yesterday and went away after a restart. today it's been happening all day, i've removed and cleaned the keyboard and repaired the disk to no avail. I might try windows restore but i do have a strong suspicion it's the hardware. will update if I ever find out what's wrong.

Phil
 

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Asus
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windows 7 home premium 32bit
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Australia
Hello Philasophigas,

Are you also experiencing the problem with the virtual keyboard?
And have you tried updating your drivers?
The drivers for your model laptop (32 bit Windows 7) can be found at here (the keyboard driver is listed under Other).


Good luck and keep us posted!
Nommy
 

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Hi Nommy, Thanks for your prompt reply given the thread is getting on!

I installed the updated keyboard drivers. The on-screen keyboard works normally, in fact i am using it to enter c's right now. Still the problem persists.. I'll press c on the laptop keyboard now:mvx
there it goes, mvx and {enter}. I think there is an {Alt} in there too somewhere as when i test it in notepad i see the menu heading shortcut letters underlined for a brief second as if pressing alt to commence a series of shortcut keystrokes. or as you would to use the arrow keys to navigate the menus.

This has got me stumped. I'll be purchasing a cheap keyboard tomorrow i guess for now. I'm pretty sure it's hardware, anyways if you can think of anything let me know.

Regards,
Phil
 

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windows 7 home premium 32bit
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Asus
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I'd say that it's a hardware problem yes.
Just to be sure, have you also tried the sfc /scannow command? If not, check the tutorial here.


Good luck and keep us posted!
Nommy
 

My Computer My Computer

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Microsoft Windows 8.1 64-bit ProfessionalIntel(R) Core(TM) i7-4510U CPU @ 2.00GHz8.00 GB (2 x 4.00 GB)AMD Radeon R7 M265
Computer type
Laptop
Computer Manufacturer/Model Number
Dell Inspiron 5547
OS
Microsoft Windows 8.1 64-bit Professional
CPU
Intel(R) Core(TM) i7-4510U CPU @ 2.00GHz
Motherboard
Dell Inc. 08KNCD
Memory
8.00 GB (2 x 4.00 GB)
Graphics Card(s)
AMD Radeon R7 M265
Screen Resolution
1366 x 768 x 4294967296 colors
Hard Drives
(1) 1TB ST1000LM024 HN-M101MBB (2) 2TB Western Digital external hard drive (3) 500GB Packard Bell external hard drive
Mouse
Corsair Vengeance M60
Antivirus
Windows Defender & Malwarebytes
Browser
Firefox, Chromium
Other Info
+ Acer TravelMate 7730G with 32bit Ubuntu 14.04 LTS Trusty Tahr.
identikal problem possibly after some water ended up over the laptop keyboard...
 

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