The situation when a laptop suddenly stops responding to the keyboard and mouse (or touchpad) can unsettle even an experienced user. At one point, you lose control of the device: the cursor freezes in place, pressing buttons has no effect, and the screen remains unchanged. The reasons for this behavior can vary from a banal software failure to serious hardware failures. It is important not to panic and act systematically - in 80% of cases the problem can be solved without contacting a service center.

In this article we will analyze all possible scenarios: from a basic reboot to diagnosing the input controller. We will pay special attention difference between hardware and software faults, since the algorithms for eliminating them are fundamentally different. You will also find instructions for different operating systems (Windows 10/11, macOS, Linux) and tips for working with laptops of popular brands (ASUS, Lenovo, HP, Dell, Acer). If your laptop still somehow reacts to actions, the chances of successful recovery without data loss are extremely high.

1. Primary diagnosis: hardware failure or software glitch?

Before taking action, it is necessary to determine the nature of the problem. This will save time and prevent unnecessary manipulations. Here are the key signs that will help you distinguish hardware failure from software failure:

  • 🔌 The laptop does not respond to the keyboard and mouse immediately after turning it on (the BIOS/UEFI doesn’t even have time to load) → most likely the problem is in the input controller or cables.
  • 🖥️ The cursor moves but the keyboard doesn't work (or vice versa) → drivers for a specific device may fail.
  • 🔄 The problem appeared after updating Windows/macOS or installing programs → classic software conflict.
  • ⚡ The laptop stopped responding after being dropped, hit or exposed to liquid → mechanical damage.

If you have it on hand external USB keyboard and mouse, connect them to your laptop. If they work, the problem is localized in the laptop itself (keyboard, touchpad or their controller). If external devices also do not respond, the problem is a system failure or damaged ports.

📊 What stopped working for you?
  • Keyboard only
  • Touchpad/mouse only
  • Both keyboard and mouse
  • External USB devices don't work either

2. Emergency measures: what to do if the laptop is completely locked

When the laptop does not respond to anything, and rebooting via the power button does not help, the time comes for drastic measures. Here is the algorithm of actions for disaster recovery control:

  1. Forced shutdown: Press and hold the power button for 10-15 seconds until the laptop turns off. Then turn it on again. In 30% of cases this solves the problem of temporary freezing.
  2. Boot in Safe Mode (for Windows): when turning on, hold F8 or Shift + F8 (on Windows 10/11 may require several attempts). Safe mode disables all third-party drivers, which will help identify the conflict.
  3. Reset BIOS/UEFI: If the laptop does not boot even before the system logo, try resetting the BIOS settings. To do this, remove the battery (if it is removable) and turn off the power supply, then press and hold the power button for 30 seconds. For laptops with a non-removable battery, locate the jumper on the motherboard CLR_CMOS (disassembly required).

Critical information: If the laptop emits a series of short beeps when turned on (for example, 3-5 times in a row), this is a BIOS error code indicating a faulty keyboard or controller. The decoding of beeps for your model can be found in the manufacturer's documentation.

Turn off the laptop by long pressing the power button

Disconnect all USB devices and memory cards

Try booting into safe mode

Reset BIOS (if necessary)

Connect an external keyboard for diagnostics-->

3. Software solutions for Windows 10 and 11

If the laptop boots but the keyboard and mouse do not work, first check device manager. Most likely, the problem lies in a driver failure. Here are the step-by-step instructions:

  1. Open Device Manager via search or combination Win + X (if the keyboard is partially working).
  2. Expand sections Keyboards And Mice and other pointing devices.
  3. If there is a yellow exclamation mark next to the device, right-click on it and select Update driver → Automatic search.
  4. If the update does not help, remove the device (right button → Remove device), then restart your laptop. Windows will install the driver again.

For Windows 11 there is also a problem with key filter (Sticky Keys), which can block input. To disable it:

  1. Run Control panel → Accessibility → Accessibility Center.
  2. Select Making the keyboard easier to use and uncheck all the boxes in the section Simplify data entry.
💡

If you have a laptop Lenovo or HP, check the availability of proprietary utilities for controlling the keyboard (for example, Lenovo Vantage or HP Support Assistant). Their failure may block input.

4. Diagnostic features on macOS (MacBook)

On laptops Apple The algorithm of actions is somewhat different due to the peculiarities of the architecture. If your MacBook does not respond to the keyboard and trackpad, follow these steps:

  • 🔄 Force reboot: Press and hold the power (Touch ID) button until it turns off, then turn your MacBook back on.
  • 🛠️ Reset SMC (for models up to 2018 with a removable battery):
    1. Turn off your MacBook.
    2. Unplug the power adapter.
    3. Remove the battery.
    4. Press and hold the Power button for 5 seconds.
    5. Reinstall the battery and turn on the laptop.
  • 🖥️ Boot in Safe Mode: When turning on, hold Shiftuntil the Apple logo appears. Safe mode disables all third-party kernel extensions that may conflict with input drivers.

    • For MacBook Pro/Air on M1/M2 chips SMC reset is not required, but can be reset NVRAM:

    1. Turn off your MacBook.
    2. Turn it on and hold it immediately Option + Command + P + R within 20 seconds.
    3. Release the keys and wait for the normal boot.
    What to do if only the trackpad does not work on your MacBook?

    If the keyboard works but the trackpad doesn't, check your settings in System Preferences → Trackpad. Also try resetting the trackpad settings through the Terminal with the command:

    defaults delete com.apple.driver.AppleBluetoothMultitouch.trackpad defaults delete com.apple.AppleMultitouchTrackpad

    After this, reboot your laptop.

    5. Hardware faults: when repairs are necessary

    If all software methods have been tried and the laptop is still not responding to the keyboard and mouse, it's time to consider hardware failures. Here are the most common reasons:

    Fault type Signs Possible solution
    Damage to the keyboard/touchpad cable The keyboard or touchpad works intermittently and freezes when pressed Replacing the cable (disassembling the laptop is required)
    Failure of the input controller (EC controller) The laptop does not respond to the keyboard and mouse even in BIOS Reflashing or replacing the controller (service center)
    Short circuit on the keyboard (liquid ingress) The laptop turns off spontaneously, the keys get stuck Cleaning or replacing the keyboard, checking the motherboard
    South bridge (chipset) malfunction USB ports and built-in input devices do not work Diagnostics in the service, chipset replacement possible

    For laptops ASUS And Acer a common problem is keyboard cable contact blade from the motherboard. This occurs due to frequent opening/closing of the lid. If you notice that the keyboard has stopped working after a mechanical impact (for example, the laptop was dropped or the lid was slammed hard), with a 90% probability it is the cable that is to blame.

    ⚠️ Attention: If you decide to disassemble the laptop yourself, be sure to disconnect the battery and power supply! The contacts on the cables are extremely fragile - one careless movement can lead to broken tracks.

    6. Alternative ways to control a laptop without a keyboard and mouse

    If the main input devices have failed and the laptop still turns on, you can try to control it using alternative methods. This will help you save data or complete important tasks before repairs.

    • 🖥️ On-screen keyboard (for Windows): click Win + Ctrl + O (if the keyboard is partially working) or run via Start → Accessibility → On-screen keyboard. For macOS open System Preferences → Accessibility → Keyboard → Enable On-Screen Keyboard.
    • 📱 Smartphone control: install applications like Unified Remote (Windows) or Apple Remote Desktop (macOS). They allow you to use your phone as a touchpad and keyboard via Wi-Fi/Bluetooth.
    • 🔌 USB-OTG adapter: if you have a laptop with USB-C, you can connect an external keyboard via an adapter (for example, for MacBook or Dell XPS).

    For Linux (Ubuntu, Mint, etc.) can be enabled on-screen keyboard via the terminal (if available via Ctrl + Alt + T):

    sudo apt install onboard

    onboard

    7. Prevention: How to avoid keyboard and mouse problems in the future

    Many input device malfunctions can be prevented by following simple operating rules. Here are the key recommendations:

    • 🧹 Regular cleaning: Dust and debris under the keys can cause shorts. Use a can of compressed air or special cleaning brushes (especially important for laptops) HP Pavilion And Lenovo IdeaPad, where the keys fit tightly).
    • 🍵 Liquid protection: Even a drop of coffee can damage your keyboard. Use protective films or silicone cases.
    • 🔄 Driver Update: Install updates for your keyboard and touchpad via Windows Update or official manufacturer utilities (for example, Dell Update or MSI Center).
    • 🛡️ Antivirus protection: Some viruses block input devices. Scan your system regularly (Kaspersky, ESET NOD32).

    For laptops with backlit keyboard (ASUS ROG, MSI, Razer Blade) It is important to avoid overheating - it accelerates the degradation of contacts. Use cooling pads and monitor the temperature through programs like HWMonitor.

    💡

    If your laptop frequently overheats, the risk of input controller failure increases by 3 times. Clean the cooling system and renew thermal paste regularly.

    FAQ: Frequently asked questions about keyboard and mouse not working

    Can I fix the keyboard cable myself?

    Theoretically yes, but this requires experience in soldering microelectronics. Keyboard cables have thin stranded wires that are easily damaged. If you are not confident in your skills, it is better to contact the service. The cost of replacing a cable in a workshop is from 800 to 2500 rubles, depending on the laptop model.

    Why did the keyboard stop working after updating Windows?

    This is a common problem when upgrading to Windows 11 on old laptops (Dell Inspiron, Acer Aspire until 2018). The reason is the lack of compatible drivers for the input controller. Solution:

    1. Roll back to a previous version of Windows via Settings → Update & Security → Recovery.
    2. Or install the driver manually from the manufacturer's website (search by laptop model).

    The laptop does not respond to the keyboard in the BIOS - what does this mean?

    If the keyboard doesn't work even in BIOS/UEFI, the problem is almost certainly hardware room. It could be:

    • Malfunction of the keyboard controller (common on Lenovo ThinkPad after falls).
    • Damage to the cable or contacts on the motherboard.
    • EC controller firmware failure (reflashing required in service).

    In this case, the external USB keyboard should work (if the ports are working).

    How to turn on a laptop without a working keyboard?

    If the power button is working but the keyboard is not responding, you can:

    • Use external USB keyboard to enter the password.
    • On some models (HP EliteBook, Dell Latitude) yes biometric scanner (fingerprint), which will allow you to unlock the system.
    • For Windows 10/11 can be customized automatic login without password (via netplwiz), but it's not safe.

    Is it worth repairing the keyboard or is it cheaper to buy a new one?

    It depends on the laptop model:

    • For budget laptops (Acer Extensa, Lenovo V15) keyboard replacement (RUB 1,500–3,000) is often comparable to the cost of the device on the secondary market. In this case, repair is not practical.
    • For premium models (MacBook Pro, Dell XPS, ASUS ZenBook) repairs cost 3,000–6,000 rubles, which is cheaper than buying a new laptop.
    • If the problem is in the cable (and not in the keyboard itself), replacing it usually costs 1000–2000 rubles.

    Before repairing, check the price of spare parts at AliExpress or in local services - sometimes the original keyboard is unreasonably expensive.