Xiaomi RedmiBook laptops 4 (including modifications Pro, Air and special editions) run on the basis of Windows 11/10 But even with optimized software, the device can freeze, stop responding to commands, or require a forced reboot. Unlike smartphones, where it is enough to press the power button, laptops have several levels of reset - from soft reboot to complete zeroing. BIOS.
This article covers all the current ways to reboot RedmiBook 4, including the rare cases when the laptop does not respond to the keyboard or the screen remains black.
- 🔄 Standard Reboot via the Windows Menu
- ⚡ Forced rebuke when hanging (including a dead screen)
- 🔧 Dumping through BIOS and hidden keyboards
- ⚠️ What to do if the laptop does not turn on after restarting
All instructions tested on RedmiBook models 4 2021/2022/2023 Intel-core processors i5/i7 11-go 12-generations, but they are also suitable for versions of AMD Ryzen 5/7. If your laptop is modified (for example, with a discrete graphics card) NVIDIA MX450), clarifications will be made in the relevant sections.
1. Standard reboot via Windows
The safest method is to use built-in operating system tools, which is suitable if the laptop responds to mouse/keyboard commands but is unstable (for example, slows down or does not open programs).
To restart RedmiBook 4 in the standard way:
- Press the Start button (or the key). ⊞ Win).
- Choose a food icon (⚡) bottom-right corner of the menu.
- In the window that appears, click Reset.
If the Start menu does not open, use the hot keys:
- 🔄 Press Alt. + F4, Select in the drop-down list Reboot and confirm.
- 🖱️ If the mouse is not working, use the keys. ↑/↓ for navigation and Enter confirmation.
⚠️ Warning: If your laptop has updated Windows or drivers before freezing, do not force the reboot process to stop, which can damage system files. Wait at least 10-15 minutes (the Xiaomi logo may be on the screen or the download indicator may rotate).
Close all programs (especially those with unsaved data)
Disable external drives (flash drives, HDD)
Connect your laptop to charge (if the battery is under 20%)
Make sure there are no active system updates-->
Forced reset when getting stuck
If RedmiBook 4 is completely silent — unresponsive to the keyboard, mouse, or touchpad — and the screen is frozen in one image (or turned black), you will need a hardware reset, a technique that simulates battery extraction, which causes the laptop to restart completely.
Instructions for forced rebuttal:
- Hold the power button for 10-15 seconds until the laptop is turned off (the indicators should go out).
- Wait 30 seconds – this is necessary to discharge the capacitors on the motherboard.
- Press the power button again to turn the device on.
On RedmiBook 4 Pro models with discrete graphics (NVIDIA MX450) After a forced reboot, a video card check may be reported. This is normal - wait until the diagnosis is completed (usually takes 1-2 minutes).
| Symptom of hanging. | Probable cause | Recommended action |
|---|---|---|
| Black screen, laptop not turning on | Failure BIOS feeding | Turn off charging, perform hardware reset (see Section 3) |
| Screen frozen, cursor not moving | Hanging of the video card driver | Forced reboot (hold the power button) |
| The laptop turns on, but immediately turns off. | Overheating or RAM failure | Check the fans, try to reset BIOS |
| Cyclical reboot (infinite reboot) | Damage to system files | Boot in Safe Mode or Restore Windows |
⚠️ Attention: Frequent forced reboots can damage the file system, especially if you were writing to disk at the time of the failure. /f).
3.Dumping through BIOS (for avanzado)
If the laptop is powered on but does not boot Windows (for example, an error appears) BOOT_DEVICE_NOT_FOUND or INACCESSIBLE_BOOT_DEVICE), You may need to reset your settings. BIOS. It also helps if you have changed overclocking settings, updated firmware. BIOS or the laptop has become unstable after an iron upgrade (for example, replacement) SSD).
To throw it off. BIOS on RedmiBook 4:
- Turn off your laptop (forced if necessary).
- Press and hold the key. F2, Then turn on the laptop (don’t let go). F2, until the menu comes out. BIOS).
- In the interface. BIOS Go to the Exit tab.
- Select Load Default Settings (or Restore Defaults).
- Save the changes (F10) and confirm the exit.
On some versions BIOS Xiaomi reset point can be called Reset to Default or hidden in the Security section.If after reset the laptop does not boot, check:
- 🔌 Connecting the storage device (SSD may depart during transportation).
- 🔋 Boot Order – Windows should be in the first place.
- 🔒 Password. BIOS (If it is, then it will be reset.
What to do if you can’t get into the BIOS?
4. Reboot via command line (for power users)
If Windows boots but standard reboot methods don’t work (for example, due to viruses or explorer.exe crash), you can use the command prompt or PowerShell.This method is also useful for creating a delayed reboot (for example, at night).
The main commands for the reboot:
#Instant reboot
shutdown /r /t 0
Reboot in 1 minute (60 seconds)
shutdown /r /t 60
Reboot with forced closure of programs
shutdown /r /f /t 0To cancel the scheduled reboot, type:
shutdown /aIf the command line doesn’t open either, try running it through Task Manager:
- Press Ctrl. + Shift + Esc.
- In the menu, select the File. → Launch a new challenge.
- Enter cmd and tick the box Create a task with administrator rights.
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If the laptop is stuck in the booting phase of Windows (the indicator is spinning), try to force it to turn off 3 times with the power button. After the third time, the system will automatically start the recovery environment (WinRE), where you can select Additional settings → Reboot.
5.What to do if the laptop does not turn on after restarting
If after any of the RedmiBook 4 reboots there are no signs of life (there are no indicators on the light, the noise of fans is not heard), follow the following steps:
Power check:
- 🔌 Turn off the charger and reconnect it (try another connector or power supply).
- 🔋 If your laptop is battery-powered, plug it in and wait 10-15 minutes – it’s possible the battery is completely depleted.
- 🔍 Check the power connector for damage or foreign objects.
Diagnostics of hardware failures:
- Disable all peripheral devices (mouse, keyboard, flash drives).
- Perform the reset. EC-Controller (to do this, hold the power button for 30 seconds without a connected charger).
- If the laptop emits sound signals when turned on, decrypt them in the table below.
Sound signals BIOS on RedmiBook 4 (AMI BIOS):
| Number of signals | Meaning | Recommendations |
|---|---|---|
| 1 short | Update error BIOS | Check it out. BIOS flash-drive |
| 2 short short shorts | RAM error | Reset the memory bars |
| 3 long | Keyboard error | Turn off the keyboard or check the plume |
| 5 short short shorts | Processor error | Check the cooler and heatpaste |
⚠️ Note: If after discharge BIOS The laptop requires a password that you did not set, this may be due to the activation of Compute Trace Protection.In this case, contact Xiaomi with proof of purchase - the password cannot be reset yourself.
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If the laptop doesn't turn on even after all the manipulations, the problem may be in the motherboard or the power supply, in which case you need a diagnosis at the service center.
6. Additional Stable Work Tips
To minimize the need for forced reboots, follow these guidelines:
Windows optimization:
- 🧹 Clean temporary files regularly (through Disk Cleanup or CCleaner).
- 🔄 Update drivers through Xiaomi PC Suite or official website.
- 🛡️ Turn off the autoload of unnecessary programs (Task Manager) → Autoboot).
Hardware care:
- 🌡️ Keep an eye on the temperature of the processor (up to 85).°C under load).
- 🔋 Calibrate the battery every 3 months (discharge to 0%, then charge to 100%).
- 🔌 Use only the original charger (Xiaomi) 65W or 100W).
For models with discrete graphics (NVIDIA MX450) recommended:
- 🎮 Update drivers through GeForce Experience.
- 🔧 In the settings NVIDIA Turn off Optimus if you play resource-intensive games.