The situation when a laptop suddenly stops responding to input from the keyboard and mouse can unsettle even an experienced user. You are sitting in front of the screen that is on, but the cursor is frozen in place, and pressing the keys has no effect. What is the reason? Failures of this kind can be caused by both software errors (drivers, OS conflicts) and hardware problems (damage to cables, connectors, or the devices themselves). It is important not to panic and act systematically - from simple checks to deep diagnostics.

In this article we will analyze all possible scenarios: from the banal system freezes to serious damage motherboard. You will learn how to distinguish a software failure from a hardware failure, what hotkeys can save the situation, and when to contact a service center. We will pay special attention to the nuances for different operating systems - Windows 10/11, macOS And Linux, as well as the specifics of laptops from popular brands (ASUS, Lenovo, HP, Dell).

First steps: checking the obvious

Before diving into complex manipulations, rule out trivial causes. Start with a visual inspection:

  • 🔌 Mouse connection: If you are using an external mouse (wired or wireless), check that it is firmly connected to the USB port. For wireless models, make sure the dongle is inserted into the port and the batteries are not dead.
  • 🔄 Reboot: Sometimes the system freezes at the driver level. Try to force restart the laptop - hold down the power button for 5-10 seconds. If the problem goes away after a reboot, a temporary glitch is most likely to blame.
  • 🖥️ External monitor: If your laptop is connected to an additional screen, try turning it off. Sometimes conflicts between displays block input.
  • 🔑 Keypad lock: on some models (eg Lenovo ThinkPad) there is a hardware button to disable the touchpad or keyboard. Make sure it is not activated accidentally.

If the laptop does not respond even to the power button, the problem may be power supply or battery. Connect the charger and try turning on the device again. For models with a removable battery (such as older Dell Inspiron) remove it for 30 seconds, then insert it back and try to turn on the laptop from the network.

📊 What operating system do you have?
  • Windows 10/11
  • macOS
  • Linux
  • Other

Hotkeys and alternative control methods

When the mouse and keyboard do not work, but the screen is active, you can try to control the laptop using hotkeys or built-in OS functions. Here's what will help:

  • 🔧 On-screen keyboard (Windows): click Win + Ctrl + O - this will open a virtual keyboard that can be used on the touch screen (if you have one) or an external mouse.
  • 🖱️ Keyboard cursor control: activate the mode Mouse Keys (in Windows: Alt + Shift + Num Lock). After this, the cursor can be controlled using the numeric keys.
  • 🍎 Voice control (macOS): on MacBook turn on Siri voice (“Hey Siri”) or via a button on Touch Bar (if it works). You can use voice commands to open Terminal or System Settings.
  • 🐧 Linux console: if you have Ubuntu or another distribution, try switching to the virtual console with Ctrl + Alt + F1-F6. This can work even if the GUI freezes.

For Windows it is also useful to know the combination Ctrl + Shift + Esc - she opens Task Manager, where you can forcefully close hung processes. If the keyboard does not respond at all, try connecting an external USB keyboard - sometimes the built-in one is disabled due to a driver failure, but the external one works.

Checked mouse/keyboard connection

Reboot attempt completed

Hotkeys didn't work

External keyboard didn't help

On-screen keyboard does not open -->

Diagnosis of software causes

If hardware checks fail, the problem most likely lies in software. Let's look at typical scenarios:

  1. Driver conflict: After updating Windows or installing new software, keyboard/mouse drivers may not work correctly. B Device Manager (open via Win + X) check for exclamation marks next to devices Keyboards or Mice and other pointing devices.
  2. Viruses or malware: Some viruses block data entry. Boot into Safe Mode (click F8 or Shift + Reboot in the menu Win + X) and check the system with an antivirus.
  3. Registry errors: incorrect registry entries Windows may cause input device failure. To restore, use a system restore point or utility sfc /scannow in the command line (run it as administrator).

For macOS current problems with SIP (System Integrity Protection) - if it is disabled, third-party programs may interfere with the operation of drivers. Check SIP status via Terminalby entering the command:

csrutil status

If the status disabled, enable SIP via Recovery Mode (Cmd + R when loading).

OS Typical reason Remedy
Windows 10/11 Driver failure HID Update the driver manually or roll back via Device Manager
macOS Conflict with Launch Agents Remove problematic files from /Library/LaunchAgents/
Linux (Ubuntu) Incorrect rights to /dev/input/ Execute sudo chmod 644 /dev/input/*
Any OS Process hangs explorer.exe (Windows) or finder (macOS) Restart the process via Task Manager or Activity Monitor
How to check drivers in Device Manager?

1. Open Device Manager through Win + X.

2. Expand branches Keyboards And Mice and other pointing devices.

3. If there is a yellow triangle next to the device, right-click and select Update driver → Automatic search.

4. If the update does not help, remove the device and restart the laptop - the driver will be installed automatically.

Hardware faults: when the hardware is to blame

If software methods do not work, the problem may lie in hardware. Here are the most common breakdowns:

  • 🔌 Damage to the keyboard/touchpad cable: A common problem for laptops 3+ years old. The cables fray due to frequent opening/closing of the lid. Diagnosis can only be made by disassembling the device.
  • 💧 Liquid ingress: even a small amount of moisture can cause corrosion of the contacts on motherboard. If the laptop has recently come into contact with liquid, immediately unplug it and allow it to dry for at least 24 hours.
  • 🔥 Chipset overheating: if the laptop gets very hot, south bridge (responsible for USB and other ports) may fail. Check the temperature using HWMonitor or AIDA64 (if you have access to another machine).
  • ⚡ Problems with USB controller: If all USB ports (including the mouse) do not work, the controller on the motherboard is to blame. In this case, only repair or replacement of the board will help.

A critical sign of hardware failure: the laptop does not respond to the keyboard and mouse even in the BIOS (UEFI). To check this, reboot your device and click F2, Del or Esc (depending on the model) to enter the BIOS. If the input does not work there too, it is 100% a hardware problem.

⚠️ Attention: If you suspect damage to the cable or motherboard, do not try to disassemble the laptop yourself without experience. Incorrect actions can aggravate the breakdown. For models with soldered batteries (for example, MacBook Pro 2016+) disassembly without special tools is fraught with a short circuit.

Brand specifics: what owners of ASUS, Lenovo, HP and Dell should take into account

Laptop manufacturers often use unique solutions that can affect the performance of input devices. Let's consider the nuances for popular brands:

  • 📌 ASUS: on many models (ZenBook, ROG) there is a function Armoury Crate, which can block the keyboard in game mode. Disable it via BIOS or reset settings to default.
  • 🔧 Lenovo (ThinkPad): These laptops are known for their reliability, but they TrackPoint (red joystick) and touchpad sometimes conflict. Try disabling TrackPoint in BIOS (Config → Keyboard/Mouse → TrackPoint).
  • 💻 HP: in models Pavilion And Envy Driver problems are common Synaptics for touchpad. Remove it via Device Manager and install the version from the official website HP.
  • 🖥️ Dell: on XPS And Inspiron protection against unauthorized access may be triggered (Dell Data Protection). If the laptop is a corporate laptop, check the settings in BIOS → Security.

For MacBook (especially models with Touch Bar) failures are typical T2 chip, which is responsible for processing input. If your keyboard and touchpad stop working after updating macOS, try resetting SMC And NVRAM:

1. Выключите MacBook.

2. Нажмите и удерживайте Control + Option + Shift (левая сторона) + кнопку питания в течение 7 секунд.


3. Отпустите клавиши и включите ноутбук.

💡

If you have MacBook Pro 2016-2019 with a butterfly keyboard, the problem may be in the key mechanism. Apple has acknowledged the defect and is offering free repairs under the program. Keyboard Service Program (valid until 2026).

When should I contact the service center?

There are situations when independent repairs are impossible or impractical. Contact a specialist if:

  • 🔧 Laptop does not respond to keyboard and mouse even in BIOS.
  • 💥 Visible on the motherboard swollen capacitors or traces of burning.
  • 🔌 The problem appeared after liquid ingress or falling.
  • 🔄Laptop reboots itself or turns off when a mouse/keyboard is connected.
  • 🛠️ Required soldering (for example, replacing the south bridge or USB controller).

The cost of repair depends on the breakdown:

Type of failure Approximate cost (₽) Repair period
Replacing the keyboard cable 1 500 – 3 000 1–2 days
Liquid cleaning 3 000 – 8 000 3–5 days
Replacing the south bridge 5 000 – 15 000 5–7 days
USB port repair 2 000 – 6 000 2–3 days
⚠️ Attention: If the laptop is under warranty, do not open it yourself - this will void the warranty. Contact an authorized brand service center. For Apple check the warranty status by serial number on the website checkcoverage.apple.com.
💡

Before visiting the service, make a backup copy of your data if the laptop still somehow responds to commands. Use an external drive or cloud storage.

FAQ: answers to frequently asked questions

The laptop does not respond to the keyboard, but the mouse works. What's the matter?

Most likely the problem is keyboard cable or its driver. Try:

  1. Connect an external keyboard via USB.
  2. Update driver in Device Manager.
  3. Check if the keys are stuck (for example, Fn or Num Lock).

If all else fails, the keyboard will have to be replaced.

The touchpad works, but the external mouse does not. What to do?

The problem may be:

  • Faulty USB port (try another port).
  • Mouse driver failure (reinstall it).
  • Damaged cable or dead batteries (for a wireless mouse).

Also check if USB ports are disabled in BIOS (USB Configuration → USB Legacy Support there must be Enabled).

The laptop is frozen and neither the keyboard nor mouse works. How to reboot?

There are two options:

  1. Forced shutdown: hold down the power button for 10–15 seconds until the laptop turns off. Then turn it on again.
  2. REISUB (for Linux): if you have Ubuntu or another distribution, hold Alt + SysRq, then press the keys one at a time R E I S U B at intervals of 1–2 seconds. This will safely reboot the system.
After updating Windows, the keyboard stopped working. How to roll back the system?

Use Safe Mode:

  1. Restart your laptop and at the login screen, hold Shift, then select Reboot.
  2. From the menu, select Diagnostics → Advanced Options → System Restore.
  3. Select a restore point before the update.

If the keyboard does not work even in Safe Mode, connect an external one.

Can I fix my laptop keyboard myself?

Depends on model:

  • If the keyboard removable (attached with latches), you can replace it yourself by purchasing a spare part for AliExpress or at a service center.
  • If the keyboard soldered in into the body (as in MacBook or Dell XPS), soldering equipment and experience will be required.

Look before disassembling disassembly video for your model on YouTube.