Troubleshooting a Windows 7 laptop keyboard that produces uppercase letters for most keys, even with caps lock off

Question:

How to fix a Windows 7 laptop keyboard that acts as if the shift key is always pressed, except for some keys? >
> I have a Lenovo Ideapad S410p laptop running Windows 7 64-bit. When I type on the built-in keyboard, most of the keys produce uppercase letters, even when the caps lock is off. The only keys that work normally are Z, X, C, V, and M. This also affects the keyboard shortcuts, such as Ctrl+C for copy. I tried using an external keyboard, but the problem persists, except that the Z, X, C, V, and M keys also produce uppercase letters. I cannot type any numbers or symbols, only letters. >
> I managed to solve the problem temporarily by disabling the built-in keyboard driver and installing an incompatible one. This also disabled the touchpad, but I have a USB mouse, so it is not an issue. However, the problem returns if I enable the original keyboard driver. What could be the cause of this problem and how can I fix it permanently?

Answer:

How to fix a Windows 7 laptop keyboard that acts as if the shift key is always pressed, except for some keys?

If you have a Windows 7 laptop keyboard that produces uppercase letters for most of the keys, even when the caps lock is off, you might be experiencing a sticky shift key problem. This problem can also affect the keyboard shortcuts, such as Ctrl+C for copy, and prevent you from typing any numbers or symbols, only letters. The only keys that might work normally are Z, X, C, V, and M, depending on the keyboard layout. This problem can persist even if you use an external keyboard.

This problem can be caused by various factors, such as a faulty keyboard, a software glitch, a malware infection, or a wrong keyboard setting. In this article, we will show you some possible solutions to fix this problem permanently.

The first thing you should do is to check the physical keyboard for any damage, dirt, or debris that might be causing the shift key to stick. You can try to clean the keyboard with a soft cloth, a compressed air can, or a cotton swab dipped in alcohol. You can also try to remove the shift key and check if there is anything underneath it that might be causing the problem. If you find any damage or broken parts, you might need to replace the keyboard or take it to a professional for repair.

Solution 2: Restart the laptop

Sometimes, a simple restart can fix many software-related problems, including the sticky shift key problem. You can try to restart your laptop and see if the problem goes away. To restart your laptop, you can either use the mouse to click on the Start button and then select Restart, or you can press and hold the power button for a few seconds until the laptop shuts down and then turn it on again.

Solution 3: Disable the Sticky Keys feature

The Sticky Keys feature is a Windows accessibility option that allows you to press one key at a time for keyboard shortcuts, instead of pressing them simultaneously. For example, if you want to copy something, you can press the Ctrl key and then the C key, instead of pressing them together. However, this feature can also cause the shift key to act as if it is always pressed, especially if you accidentally turn it on by pressing the shift key five times in a row.

To disable the Sticky Keys feature, you can follow these steps:

  • Click on the Start button and then select Control Panel.
  • In the Control Panel, click on Ease of Access Center.
  • Under the Make the keyboard easier to use section, click on Make the keyboard easier to use.
  • Uncheck the box next to Turn on Sticky Keys and then click on Apply and OK.
  • Solution 4: Update or reinstall the keyboard driver

    The keyboard driver is a software component that allows the keyboard to communicate with the operating system. If the keyboard driver is outdated, corrupted, or incompatible, it can cause the shift key problem. To update or reinstall the keyboard driver, you can follow these steps:

  • Click on the Start button and then type Device Manager in the search box and press Enter.
  • In the Device Manager, expand the Keyboards category and then right-click on the keyboard device and select Update Driver Software.
  • In the next window, you can either select Search automatically for updated driver software, which will let Windows search for the best driver online, or select Browse my computer for driver software, which will let you choose a driver from your computer or a removable device.
  • Follow the on-screen instructions to complete the driver update or installation.
  • Restart your laptop and see if the problem is fixed.
  • Solution 5: Scan your laptop for malware

    Malware is a malicious software that can infect your laptop and cause various problems, such as slowing down your performance, displaying unwanted ads, stealing your personal information, or changing your keyboard settings. Some malware can also cause the shift key problem by altering the keyboard registry values or injecting malicious code into the keyboard driver. To scan your laptop for malware, you can use a reputable antivirus or anti-malware program, such as Windows Defender, Malwarebytes, or Norton. You can follow these steps:

  • Download and install the antivirus or anti-malware program of your choice, if you don’t have one already.
  • Launch the program and update its database to the latest version.
  • Perform a full scan of your laptop and remove any detected threats.
  • Restart your laptop and see if the problem is fixed.
  • Conclusion

    We

hope that this article has helped you fix the Windows 7 laptop keyboard that acts as if the shift key is always pressed, except for some keys. If none of the solutions worked for you, you might need to contact the laptop manufacturer or a qualified technician for further assistance. Thank you for reading and good luck!

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