I have a Lenovo Ideapad s145 laptop running the Sway window manager. Whenever I suspend to ram and then wake my computer up, the window manager does not receive any input from my keyboard, touchpad, or mouse. The system is not frozen; it reconnects to wifi and then shows the wifi icon, for example. It just won't respond to user inputs except for the magic sysrq commands.
If I disconnect the mouse and plug it back in again, the mouse (but not keyboard or touchpad) starts working again. Using the mouse, I can log out from my Sway session and be returned to the console (tty 1), and at this stage my keyboard starts working again: I can log in at the console, which automatically logs me in to a new Sway session where all my input devices are working perfectly.
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Update
I can fix the keyboard and USB mouse problem by restarting them with a script run after every resume from suspend, as detailed in my replies below. That doesn't fix the touchpad, but it's now working well enough for me to mark this issue as solved. Of course, I'd still be grateful if anyone could suggest a way to restart the touchpad as well -- or better yet, fix the root cause of the problem.
This resets my keyboard driver, which seems to fix the problem with my keyboard. Strangely enough, it also seems to fix my mouse problem about 30% of the time (and for the other 70%, I just have to pull out the USB plug and reinsert it to get my mouse working properly). My touchpad, however, still doesn't work after returning from suspend.
I'm not sure if I should mark this post as solved, since I'd still like to find some way of fixing my mouse and touchpad as well -- ideally something that addresses the root cause of the issue. I think my mouse driver is `is xhci_hcd`, but that driver seems to be pre-compiled into my kernel and I don't know how to reset it. And I have no idea what my touchpad driver is.
To make this script run after resuming from suspend, we can use a systemd service. Let's say that the script above is at /usr/local/bin/reset-input-devices.sh. Now we need to create a service file in the /etc/systemd/system/ directory -- let's call it /etc/systemd/system/reset-input-devices-after-sleep.service. It should look like this:
3) Click the Update button next to the flagged keyboard device name to automatically download the correct version of those driver, then you can manually it install it (you can do this with the FREE version).
This method may work for some specific keys no working on your Lenovo laptop keyboard. To fix the issue, press the keys associated with the problem diagonally (lower left side of the button) for a couple of seconds. This may do the trick for you.
Firstly, shut down the computer. Secondly, unplug the power cable and remove the battery for a moment (just remove one that you have).Thirdly, press and hold the power button for about 60 seconds. After that, put the battery back in and plug the power cable again. Restart your computer and see if the keyboard is working.
I recently cleaned my Lenovo Ideapad 100 15.6 inch screen and keyboard and after that my keyboard stopped working. To clean the keyboard, I applied some alcohol cleaning solution on a micro fiber cleaning cloth and then rubbed it across the keyboard. I did this 2-3 times. This process was done while keeping the laptop off and disconnected from power supply
After 5-7 minutes, I turned on the laptop and everything was working fine at first, but later some of the keys stopped working. I noticed that only those keys which I pressed after turning on the laptop were not working.
@tommyvercaty It certainly sounds like the alcohol caused problems, but that's what I personally use myself specifically because it dries quickly and doesn't leave residue on electronics. You did it the right way; applying the alcohol to the cloth and not just spraying it on the keyboard too, so it's a bit puzzling why it should have caused such major problems with your keyboard.
You might still give it a shot at drying out the components with a hair dryer; go over the entire keyboard to evaporate any accumulation that might have somehow accrued. If you can open it up to expose the internals that would be even better.
I used a display cleaning solution which has 70% alcohol. I had it handy I used it almost every time before. I remember shutting down the laptop before doing cleaning it but I did not remove the battery while cleaning it. I tried drying it in sun (with battery removed) but that also didn't work out. So I guess, the alcohol solution did damage my keyboard
Well I think you have done the damage in the keyword because as you used the alcohol cleaning solution. Or you can check for the issue in the keyboard driver if your keyboard driver is outdated driver then you should try to updated your driver.
All other keys on the keyboard are not working. So I guess I'll have to assume your first guess that I may have damaged the keyboard with the alcohol solution. Do you have any tips on some quick fixes that I can try before sending my laptop for keyboard replacement?
You can scan for driver updates automatically and install them manually with the free version of the Lenovo Mouse / Keyboard Driver Update Utility, or complete all necessary driver updates automatically using the premium version.
Click the Update button next to your driver. The correct version will be downloaded and installed automatically. Or, you can click the Update All button at the bottom to automatically download and install the correct version of all the drivers that are missing or out-of-date on your system.
To find the latest driver, including Windows 11 drivers, choose from our list of most popular Lenovo Mouse / Keyboard downloads or search our driver archive for the driver that fits your specific Lenovo mouse / keyboard model and your PC's operating system.
After downloading your driver update, you will need to install it. Driver updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slightly different installation procedure to follow. Visit our Driver Support Page to watch helpful step-by-step videos on how to install drivers based on their file extension.
Sometimes you don't want your laptop's keyboard to take inputs. This is usually because you're plugging in an external keyboard, either because the built-in one is broken or you just want a larger typing space with a full-sized keyboard.
However, since the keyboard is an integral part of your portable computer, disabling its primary input method is a little tricky. Here, we show you how to temporarily and permanently disable the laptop keyboard on Windows 10 and 11.
After the restart, your laptop keyboard will stop working. If you need to install the correct driver again to enable the keyboard, right-click on the keyboard device and select Update driver. Next, select Search automatically for drivers. Windows will look for a compatible driver and install it.
Alternatively, select Browse my computer for drivers in the Update Drivers dialogue. Next, select Let me pick from a list of available drivers on my computer. Make sure the Show compatible hardware option is enabled. Select an HID Keyboard Device driver from the list and click Next.
That said, apart from the hardware issues, your laptop keyboard can act up for many other reasons. To fix your keyboard, check for pending driver updates, use the built-in troubleshooter, or simply disable the individual keys.
Outdated or incompatible drivers will result in keyboard errors, make sure to download thelatest driver and update the software on a regular basis. Download Driver Booster toauto-updateall your drivers to the latest version and fix Windows system issues in an ever faster andeasier manner. 152ee80cbc
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