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Keyboard Repeats Characters Problem: Solutions for Software & Hardware Issues (Windows & Linux)

rojasQ 13545 18
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Why does my keyboard repeat characters on both Windows and Linux even after replacing the keyboard?

If the problem happens in both Windows and Ubuntu after trying another keyboard, it is most likely a hardware-side issue rather than a software setting, since changing the Windows repeat delay did not help and the same behavior remained after a BIOS reset/update [#17236609][#17236664][#17236599][#17239304][#17239543] One reply suggested increasing the keyboard repeat delay or changing the registry value `HKEY_CURRENT_USER\Control Panel\Accessibility\Keyboard Response\AutoRepeatDelay`, but that did not solve it here [#17236609][#17236664] The thread also notes that changing USB ports did not help [#17236547] In the end, a borrowed wireless keyboard worked normally, which strongly points to a problem with the wired keyboard path or the computer’s USB/input hardware [#17242856]
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  • #1 17236535
    rojasQ
    Level 8  
    Posts: 12
    Rate: 1
    Board Language: polish
    Hi,
    I have a strange keyboard problem. I am now typing from the on-screen keyboard. the problem is that the keyboard started repeating characters for me. This is especially true when I want to write something faster. I will now demonstrate what it would look like if I typed it on a physical keyboard.

    Quote:
    Hi,
    I have a weird keyboard problem. I am now typing from the screen keyboard. The problem is that the keyboard started repeating characters for me.


    Okay. I think the keyboard is to be thrown away. I bought a new one. Well, after connecting I was surprised because there is still the same problem .. So I thought it was a software problem .. As it turned out - also not. I fired up Linux (I normally use Windows) and then the same thing.

    I have no idea what that might be. Do you have any ideas?
    best regards

    PS: The problem is the same as here: https://www.elektroda.pl/rtvforum/topic3249095.html

    But there it is not fully resolved.
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  • #2 17236546
    Kolobos
    IT specialist  
    Posts: 85151
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    Board Language: polish
    Is it a laptop or a desktop computer?
  • #3 17236547
    rojasQ
    Level 8  
    Posts: 12
    Rate: 1
    Board Language: polish
    Stationary. Connecting to a different USB port does not help.
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  • #4 17236561
    Kolobos
    IT specialist  
    Posts: 85151
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    Board Language: polish
    Enter the motherboard model. Do you have the latest bios uploaded? You reset CMOS?
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  • #5 17236599
    rojasQ
    Level 8  
    Posts: 12
    Rate: 1
    Board Language: polish
    Asrock m3a770de, latest bios up to date. I also reset the bios battery.
  • #6 17236609
    FlashT
    Level 13  
    Posts: 216
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    Contrary to appearances, this happens quite often on Windows 10 ... as well as a million other problems with keyboards and touchpads. Most manufacturers release special drivers to fix these problems ... but a great example is the Microsoft Arc Mouse, which is very bad at tactile delay ... even without disabling this delay is unusable. In your case (if there are no special drivers) it may help:

    1. In the control panel keyboard settings, increase the key repeat delay.
    2. If the above does not help, try changing the registry value -> "HKEY_CURRENT_USER \ Control Panel \ Accessibility \ Keyboard Response" -> "AutoRepeatDelay" to a larger ...
  • #7 17236664
    rojasQ
    Level 8  
    Posts: 12
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    Board Language: polish
    @FlashT did not help in any way, unfortunately. Anyway, as I wrote - the problem is also when I switch to Ubuntu.
  • #8 17236674
    FlashT
    Level 13  
    Posts: 216
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    Board Language: polish
    What is this keyboard?
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  • #9 17236683
    rojasQ
    Level 8  
    Posts: 12
    Rate: 1
    Board Language: polish
    The one I bought was a cheap Tracer, the previous one was also the cheapest one from Tesco, but it worked well before.
  • #10 17236690
    FlashT
    Level 13  
    Posts: 216
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    I'm afraid it might be a hardware problem. But maybe someone else will comment.
  • #11 17236695
    rojasQ
    Level 8  
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    I'm afraid of that too, but what exactly is wrong?
    Thanks to FlashT for your willingness anyway.
  • #12 17236736
    Robert B
    Level 43  
    Posts: 22594
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    How do you set the delay and frequency of repeating characters?
  • #13 17238300
    rojasQ
    Level 8  
    Posts: 12
    Rate: 1
    Board Language: polish
    Keyboard Repeats Characters Problem: Solutions for Software & Hardware Issues (Windows & Linux)
  • #14 17238330
    g107r
    Level 41  
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    Well then reduce the repetition rate. It probably won't help, since it's the same on Linux, but what's the harm to change the values?
  • #15 17238516
    Robert B
    Level 43  
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    More delay :)
  • #16 17239304
    rojasQ
    Level 8  
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    I tried to change, it doesn't help either.
  • #17 17239382
    g107r
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    Maybe try to flash the BIOS again - does it work like that too? Switching through options, settings - date, for example, also works with a double click?
    Later, you will probably get used to / I use the on-screen keyboard for over 10 years /, or change the motherboard.
    Yes proforma, who do you have to check the new keyboard with?
  • #18 17239543
    rojasQ
    Level 8  
    Posts: 12
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    I loaded a new BIOS and it also did not help. Whether it works like that in it, I didn't pay attention. I will check the third keyboard today, this time wireless.
  • #19 17242856
    rojasQ
    Level 8  
    Posts: 12
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    I borrowed a wireless keyboard - it works elegant. A bit strange, but at least somehow managed to fix the problem.
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Topic summary

✨ A user reported a keyboard issue where characters repeat excessively, affecting typing speed. The problem persisted even after replacing the keyboard and switching from Windows to Linux. Initial troubleshooting included checking USB ports, motherboard model (Asrock m3a770de), and BIOS updates, which were confirmed to be current. Suggestions included adjusting keyboard settings in the control panel, modifying registry values for key repeat delay, and flashing the BIOS again. Ultimately, the user found that a wireless keyboard functioned correctly, indicating a potential hardware issue with the original keyboards.
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FAQ

TL;DR: One wireless keyboard fixed repeats; "wireless keyboard - it works elegant." If keys repeat across OS, suspect hardware; adjust OS delay, test ports, and try wireless. [Elektroda, rojasQ, post #17242856]

Why it matters: This helps Windows and Linux desktop users stop unusable typing and pinpoint hardware vs. software causes fast.

Quick Facts

Is this a hardware problem?

It can be. Repeats across multiple keyboards and OS often indicate a USB path or mainboard issue. As one expert noted, “I’m afraid it might be a hardware problem.” Try a different connection type, such as a wireless receiver, to confirm. [Elektroda, FlashT, post #17236690]

Why do repeats show on both Windows and Ubuntu?

If repeats persist across Windows and Ubuntu, the issue likely isn’t a Windows driver or setting. Cross-OS symptoms point you toward hardware, cabling, USB controller, or interference. Use that signal to prioritize hardware isolation steps next. [Elektroda, rojasQ, post #17236664]

What Windows settings can stop accidental repeats?

Open Control Panel > Keyboard and increase the Repeat delay. If needed, adjust HKEY_CURRENT_USER\Control Panel\Accessibility\Keyboard Response\AutoRepeatDelay. These changes curb OS-level repeat behavior. They won’t fix electrical noise or hardware faults. Reboot after registry edits for consistent results. [Elektroda, FlashT, post #17236609]

How do I adjust key repeat on Ubuntu/Linux?

Use Settings > Keyboard (or Universal Access) to increase Key Repeat Delay and reduce Repeat Rate. On X11, advanced users can try xset r rate . Test typing in a simple editor after each change to confirm improvement. [“Change how quickly the keyboard repeats”]

Does switching USB ports help?

Front-panel or worn ports can add instability. Try direct rear I/O motherboard ports and avoid hubs during tests. In this case, changing USB ports didn’t help, so deeper hardware checks were needed. [Elektroda, rojasQ, post #17236547]

Will updating BIOS or resetting CMOS fix it?

Sometimes firmware resets help, but not always. Here, a fresh BIOS flash and prior CMOS reset did not stop repeats. Treat firmware steps as diagnostics, then continue to isolate USB path or try another keyboard interface. [Elektroda, rojasQ, post #17239543]

Will a wireless keyboard avoid repeats if wired ones repeat?

It can. In this case, moving to a wireless keyboard solved the problem. As reported, “wireless keyboard - it works elegant.” This points to a fault along the wired USB path or interference. [Elektroda, rojasQ, post #17242856]

Can you give me a quick 3-step test to isolate the cause?

  1. Boot a Linux live USB and test typing; note if repeats persist.
  2. Try a different keyboard type (e.g., wireless USB receiver) on rear I/O ports.
  3. If repeats remain, inspect motherboard USB and cabling, not just OS settings. [Elektroda, rojasQ, post #17236535]

Could a USB hub or power issue be involved?

Yes. USB 2.0 ports supply up to 500 mA per port. Overloaded bus-powered hubs can behave erratically. Test the keyboard directly on a rear motherboard port. Disconnect other high-draw USB devices during diagnosis to stabilize the power budget. [Universal Serial Bus Specification, Revision 2.0]

What motherboard and BIOS status were reported in this thread?

The system used an Asrock M3A770DE with the latest BIOS at the time. The user also reset CMOS. Those steps did not eliminate the repeats, steering the diagnosis toward USB path or peripheral changes. [Elektroda, rojasQ, post #17236599]

Do slower repeat settings actually fix this case?

No. The user tried reducing repeat rate/delay, and it didn’t resolve the behavior. That suggests the root cause wasn’t OS key-repeat timing, but a lower-level issue. Move on to hardware isolation steps if settings fail. [Elektroda, rojasQ, post #17239304]

Should I reinstall Windows?

Reinstalling Windows is unnecessary when repeats also occur on Ubuntu. Cross-OS reproduction strongly indicates a hardware-side cause. Spend effort on hardware isolation and alternative input devices instead. [Elektroda, rojasQ, post #17236664]

What if it happens in BIOS menus or before OS boot?

If characters repeat in BIOS, the OS isn’t the cause. Focus on the keyboard, USB cable, ports, and motherboard. Testing in firmware menus is a clean way to separate software from hardware faults. [Elektroda, g107r, post #17239382]
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