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Windows 7: virus tab key on start my notebook

18 Aug 2012   #21
gregrocker

 

Plug in an external keyboard to see if the problem still occurs, not to change to an external keyboard.

If so then uninstall your keyboard driver in Device Manager and reboot the PC to auto-reinstall it.


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18 Aug 2012   #22
redya20

Windows 7 Home Premium 64bit
 
 

Quote   Quote: Originally Posted by Layback Bear View Post
My mouse and keyboard program is in the Control Panel. Just do a Start Orb and type in Add and Remove and go to Add and Remove Programs. What is confusing me is you say it's not the keyboard but haven't tried another one, (USB). You say it's a virus but you have run a mass amount of anti virus and anti malware programs all coming up clean.
Okay sir tomorrow i will buy external keyboard (usb).

Thanks for advice sir, I will try . . .
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18 Aug 2012   #23
redya20

Windows 7 Home Premium 64bit
 
 

Quote   Quote: Originally Posted by gregrocker View Post
Plug in an external keyboard to see if the problem still occurs, not to change to an external keyboard.

If so then uninstall your keyboard driver in Control Panel>Programs and Features and reboot the PC to auto-reinstall it.
in program and features, i didn't see there's any like keyboard driver, so usually i uninstall the keyboard driver through device manager list, "keyboard device filter" then i uninstall, then reboot, yes the PC will auto-reinstall that driver...
But the problem still occurs sir...

So tomorrow i will buy external keyboard(usb), I will try just like your advice sir . . .

Thanks sir
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18 Aug 2012   #24
gregrocker

 

Just borrow one.

You are correct. Look in Device Manager for Keyboard to Uninstall it's driver.
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18 Aug 2012   #25
townsbg

Windows 7 pro 64-bit
 
 

I believe it's the general consensus that your tab key is stuck which happens with use. It usually isn't related to having dropped a computer. It more than likely isn't a virus or driver. If you get an external keyboard and you don't get that problem then it is definitely the key. To completely rule out the built in keyboard you should disable it once you get the new one. If all is well afterwords you can keep using the external one of your can purchase a replacement.
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28 Oct 2012   #26
cesargil

Windows 7 Ultimate x64
 
 
I believe this is a real BIOS virus

I started having the same problem. I was using a USB keyboard. Bought a brand new USB keyboard, but problem persisted. Tried the new keyboard on different USB ports. Reinstalled OS from scratch on a brand new HD. Checked with several anti-viruses, anti-rootkit, anti-malware and found nothing suspect. Still my keyboard behaves erratically - it starts repeating the tab key when I press it once and only stops when I press caps lock or ESC. Sometimes starts repeating by itself. It usually starts repeating as soon as the computer is turned on, ie, even before windows is loaded. Left shift does not work. The letter A cannot be made uppercase with either left- or right- shift, only by using caps lock. Both keyboards have presented the same problem.
I am stil researching what to do. Restoring BIOS default values did not work. It seems that removing the battery from the BIOS and replugging it, according to some technicians, may work. I have not tried that yet. A more dramatic solution would be to update the bios directly from the manufacturer's site.
I will keep you guys posted. Only wrote so far before I have a solution because I didnt want the topic to be closed on a general conclusion that it was just a faulty keyboard. It seems that this is a new situation, many people are experiencing this erratic keyboard behaviour, with subtle differences, and they can never find a virus on their system. It usually follows invasion by a trojan that is later removed (as in my case). I will post what I discover.
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28 Oct 2012   #27
gregrocker

 

I have heard of BIOS viruses that cause the PC to be bricked but haven't come across one yet. A tech at Staples here insists he sees it regularly. But I wonder why we've not seen it yet here that I know of.

I would try the CMOS methods here: Clear CMOS - 3 Ways to Clear the CMOS - Reset BIOS

Then if necessary reflash the BIOS with the latest Update from your PC or mobo's Support Downloads webpage. I don't see how an infection could survive in the hardware then unless it's hiding in RAM.
My System SpecsSystem Spec
28 Oct 2012   #28
UsernameIssues

W7 Pro SP1 64bit
 
 

Quote   Quote: Originally Posted by cesargil View Post
...The letter A cannot be made uppercase with either left- or right- shift, only by using caps lock. Both keyboards have presented the same problem....
Does the onscreen keyboard work as expected? See this post:
Log on frozen, Does not allow keyboard input.

And what about booting to a Live CD or to a Ubuntu CD?
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10 Oct 2014   #29
rohinisimha

windows 7
 
 
tab key stuck virus

Hi its 2 years down and we are facing this problem with our laptop. Does anybody know the solution. We tried reformatting BIOS windows device driver keyboard hardware etc etc.

Even changed xp to win 7...

Deleted all content on laptop

This problem happens as soon as we press power.

We changed keyboard settings also.

No virus detected

We are stuck

Please help
My System SpecsSystem Spec
10 Oct 2014   #30
gregrocker

 

Can you describe exactly what happens that makes you think you have BIOS infection? Best would be a video uploaded to Youtube and linked here - use Youtube icon in reply box, paste all characters after = in Youtube URL.

Please try a USB keyboard, and try the onscreen keyboard to see if there is a difference.
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 virus tab key on start my notebook




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