After the laptop is turned off, the power light is still on, and the fan is also turning

After the laptop is turned off, the power light is still on, and the fan is also turning, there are two situations:

The first case: the laptop has just been turned off, and it is normal for the computer fan to be still spinning. If the power light is still on, it may be that your charger is still charging, or that you have put him to sleep.

Failure to shut down may be sound file corruption, incorrect configuration or damage to the hardware, incompatible settings of the BIOS, improper settings of "Advanced Power Management" or "Advanced Configuration and Power Interface" in the BIOS, and no ** card in real mode.

Assign an IRQ where a program or TSR program may not close properly and load an incompatible, corrupted, or conflicting device driver.

Wait a minute. It is recommended that you reinstall the system.

Try. Either the hardware is damaged, or it may be a virus.

Case 2: This is a hibernation mode, not a real shutdown, you change the power settings. Control panel.

> System & Security - > Power Options, go to Advanced Options, and press the Power Off button to power off, whether it's an external power supply or using a battery! Also, check whether the recently installed software is not compatible with the power settings, and develop a good shutdown habit by shutting down the software first and then turning off the computer.

Dear Lenovo users, hello!

If the fan turns when it is just turned off, it is a normal reaction, if not, this is a sleep mode, not a real shutdown, you change the power settings!

Control Panel - > System & Security - > Power Options, go to Advanced Options, and press the Power Off button to power off, whether it's an external power supply or using batteries! Also, check whether the recently installed software is not compatible with the power settings, and develop good shutdown habits.

Summary. 1. First of all, according to the specific situation analysis, if there is no power response directly, then check whether there is a power supply, poor contact, hardware and other problems. 2. After replugging the power supply, press the power button again, if it still can't be turned on, then press it for a while.

If you can turn on someone else's power supply, it means that there is a problem with the power supply. 3. Enter the last correct configuration to adjust, turn on and press and hold F8 to enter the advanced options page. 4. Select "Last Correct Configuration" and press Enter.

If it can enter the system, it may be caused by viruses, incompatible hardware drivers with the system, or operating systems. Repair the installation or reinstall the system, and set the "optical drive as the first boot device" in the BIOS. 5. Consultation record · on 2022-08-13

Capslock will light up when you press the power on button.

1. First of all, according to the specific situation analysis, if there is no power response directly, then check whether there is a power supply, poor contact, hardware and other problems. 2. After replugging the power supply, press the power button again, if it still can't be turned on, then press it for a while. If you can turn on someone else's power supply, it means that there is a problem with the power supply.

3. Enter the last correct configuration to adjust, turn on and press and hold F8 to enter the advanced options page. 4. Select "Last Correct Configuration" and press Enter. If it can enter the system, it may be caused by viruses, incompatible hardware drivers with the system, or operating systems.

Repair the installation or reinstall the system, and set the "optical drive as the first boot device" in the BIOS. 5. The boot screen will react but the screen will still be black.

1. The battery is damaged, when the battery is damaged, it will cause the battery to be unable to turn on, at this time, as long as the battery is removed and replaced with an external power supply, it can be used normally; 2. If the BIOS fails to refresh or is in the virus, it is also difficult to repair, so the BIOS should be removed and rewritten on a dedicated device. 3 Power board problems, there are many reasons for the power board problems, such as fuse blowout, control chip burnout, etc., because the chip of the power board chipset is relatively fine, there is a certain difficulty in repairing the chip, so many maintenance centers recommend replacing a new power board; 4.A file appears in the system, which can be resolved by reinstalling the system.

When the laptop is turned on, the fan doesn't turn, but it closes.

The screen will light up. 1 When the monitor screen is black and there is no image display (However, the current monitor on the market will display the screen when there is no signal from the host.)"There is no signal line connection"First, check whether the host power supply is well plugged in and whether the fan of the power supply is rotating. Are the power indicators and hard disk indicators flashing on the host panel?

Because if the host power supply is not working or the motherboard is not powered, the display will not have an image display when it does not receive a signal.

Control Panel --- System and Security --- System - Advanced System Settings.

After opening the System Properties window, switch to the Advanced tab and click the Settings button in the Enable and Failback column.

From the "Startup and Fault Recovery" window that opens, clear the "Automatic Restart" item in the "System Failure" column, and click "OK" to complete the setting.

From the "Run" window that opens, enter "msconfig" and press enter to enter the main interface of the system configuration utility.

In the "System Settings" interface, switch to the "General" tab, check the "Diagnostic Startup" item, and click the "OK" button to restart the computer.

When the system reboot is completed, enter the "System Configuration" interface again, switch to the "Services" tab, check the "Hide Windows Services" item, and check the item you want to start automatically with the system, and click "OK" to complete.

If the above methods still do not solve the problem of automatic restart of the computer, make the following settings:

Enter the "Control Panel" - "Power Options" interface in turn, and click the "Select the function of the power button" button on the left side.

<> Finally, in the "System Settings" interface, clear the "Enable Fast Startup" item from the "Shutdown Settings" column, and click the "Save Modifications" button.

It's not an indicator light, it's nothing, if you don't want it to turn on, if you know a little bit about the computer, just disassemble the cable that connects it to the power supply. If you don't know much about computers, unplug the computer after each shutdown.

Is it a laptop or a desktop?

Laptop.

If it doesn't work, just hold down the power button for a few seconds to force it off.

If it's a desktop, use the second method above.

If the keypad on your desktop computer is still on or there is a system BAI sound, you should consider the display or graphics card. There is also a situation where the computer is asleep and does not shut down completely. If it is a motherboard problem, it will automatically restart after shutting down the DAO.

If the computer is in a dormant state after it is turned off, you can set it in the control plane panel. If you really can't do it, go to the computer repair point and ask the exclusive industry personnel to help you solve the problem on the spot.