Windows 10: Windows 10 - Alt key virtually stuck!! Please HELP!!

I have a 6-month-old HP all-in-one Pavilion desktop. Everything was working fine! I went on vacation, shut down computer, turned off strip cord. Came home, turned on the computer and all hell broke loose! It seems that somewhere, somehow the ALT key is stuck. I have 2 different keyboards that I switched and it is not them. I have 2 different USB mouse controllers, it is not them. We tried using the touch screen keyboard and unplugging the keyboards. We uninstalled and reinstalled the keyboard device. We restored to a date in February before we went on vacation. We just did a factory r

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ALT Key is Virtually Held Down

So about a week ago, I noticed that my keyboard started acting strange. For the record, I'm using a Razer Blackwidow Ultimate keyboard, but that doesn't matter because this happens on all keyboards that i've tried. The problem is, whenever I press the Windows
key and the Alt key, my Alt key becomes 'virtually' stuck. This means i can't input any text, the computer essentially thinks i'm holding down the Alt key.

• I know it's not a sticky key because I tried this on different keyboards.
• I know it's the Alt key because I looked up the Alt key shortcuts for Microsoft Edge and they all match (For example, pressing the D key highlights the address bar), and double clicking on Desktop shortcuts will open their properties.
• It's not Sticky Keys or any of those settings on Windows because, you know, that's the first thing i checked...
• Uninstalling and reinstalling the Keyboard Drivers didn't help.
• Virus scans showed everything was fine.
• I've checked everywhere online for solutions and there doesn't seem to be anyone with a solution (or even my exact problem).

The weirdest part is the solution: I have to open the on-screen keyboard, click on the Windows key twice, then logout with Win + L and log back in and everything is back to normal (for now). Another solution that worked for a little while was uninstalling
Razer SDK Core Components, but then even without Razer software, this problem would occur. This wouldn't just occur when i pressed Win + Alt however, it would still happen after a random amount of time and i would have to do that on-screen keyboard method
to fix it. It would even happen while starting up my computer, preventing me from inputting my password, and it even occurred when i was trying to reinstall windows.

I just factory reset my whole computer and lo and behold, this problem is still here. I'm about to lose my mind at this point. What on Earth could POSSIBLY be causing this to happen. If it's a problem with my motherboard or something, how can I even check/fix
that. If formatting my HDD and SSD and reinstalling Windows didn't work, then what is the problem.

TLR - Pressing Windows Key and Alt simultaneously causes my Alt key to be held down virtually.

 

Keyboard shortcut Alt key not working

Hi,



Before we proceed, I need more information to help you better.

• 
  Since when are you facing this issue?
  
• 
  Did you make any software or hardware changes on your computer prior to this issue?
  
  
  

I suggest you to follow the steps below and check if it helps.

Step 1: You may check if the ALT key is functioning correctly in on-screen keyboard. It will help us to verify if there is any issue with the keyboard.

Follow the steps below to open On-screen Keyboard.

• 
  Windows + Q, type OSK (on-screen keyboard)
  
• 
  And check if it works
  

Step 2: Run Hardware and device Troubleshooter.

Windows 10 has a built-in troubleshooter to check and fix issues with hardware and devices. I would suggest you to run this troubleshooter to check if the issue is with your devices. Refer these steps:

• 
  Press Windows key +X, select Control panel.
  
• 
  Change the view by option on the top right to Large icons.
  
• 
  Click on troubleshooting and click on the view all option on the left panel.
  
• 
  Run the Hardware and devices troubleshooter.
  

Keep us posted on this issue so that we can assist you better.

 

FN Key Virtually Stuck

So, I just installed windows 10 and at first it was running perfectly! Not a single problem, but now my alt key is virtually stuck! For every one of the spaces I'm typing I press Fn+Space if I press 3 4 without hitting Fn it raises and lowers the volume.
Anyway to fix this?My laptop is toshiba