What s wrong with Lenovo laptops not responding when they turn them on?

1. Common reasons why the laptop cannot be turned on.

1. Power supply problems.

If it is an external power supply, first see if the power supply is not plugged in properly or there is a problem with the plug. If you are using a battery, it may be that the laptop power supply is running low.

2. The motherboard is faulty.

Motherboard failure is the main reason why laptops won't turn on. It is often caused by factors such as liquid ingress of the notebook, breakage, and damage to the components of the motherboard itself.

3. Circuit failure.

In addition to artificial liquid ingress and short circuits, most of the failures of laptops that cannot be turned on are problems with the protection isolation circuit, the failure of the boot circuit and the EC peripheral circuit, and sometimes the circuit will be burned out in a large area.

4. BGA failure.

BGA failure is also a failure caused by the laptop not being able to turn on, which is extremely common in notebooks that use DBM as the South Bridge chip in the Swift Relaxation generation.

5. If it cannot be solved, it is recommended to send it to the after-sales center for maintenance.

1. The laptop does not respond when it is turned on, which means that after plugging in the power adapter, press the power indicator of the key computer is not lit, and the fan does not make a sound of turning. This fault is called [no power] in notebook maintenance, and its incidence is second only to the black screen at startup, and it is a common fault in maintenance. Depending on the cause of the failure, the difficulty of maintenance is also very different, and the following is a brief description of several common situations:

2. The power adapter is damaged, which is relatively simple and can be judged by the replacement method, but it is only limited to the power supply of the same model and the same specification. There is a situation that needs special attention, that is, when you plug the power adapter into the power port of the laptop, the indicator light of the power adapter goes off;

3. The notebook motherboard is faulty, which is the most common reason why the notebook does not respond when it is turned on. It is mainly caused by bad power port, water corrosion, electrostatic breakdown, and damage to the motherboard circuit; Bad power port is a common motherboard failure, and the initial manifestation is often the power loss of the notebook, mainly because the power port is soldered with the motherboard, or the core of the power port is broken.

This may be a stuck, wait a while, it should be fine.

The reasons why Lenovo notebook does not respond when it boots up and how to solve it are as follows:

1. The motherboard is not powered on. Solution: Try to release static electricity, remove the battery and power cord of the computer, make sure that the notebook is in a state of complete unpowered respect, press the power switch 6-8 times repeatedly, continue to press and hold for 6-8 seconds each time, connect the power supply and try to open the virtual machine, if it can be turned on normally, the fault will be solved; If it still can't be turned on normally, it is recommended to send it to the local service station for testing hardware.

2. The display or graphics card is faulty. It is recommended to send the hardware to the local service station for testing.

3. The system is damaged. If you are using a pre-installed genuine Win7 system, it is recommended to back up the data in the LOGO interface by pressing ALT+F10 to restore it with one click; If you are not using a pre-installed system, it is recommended to back up your data and reinstall the system.

4. Hard disk and other hardware failures. It is recommended to send the hardware to the local service station for testing.

5. The failure of Lenovo computers to turn on and the ignition is likely to be due to the failure of the memory module, and replacing the memory module may solve the problem.

This is a problem with the system and can be dealt with with by windowsre:

1. After booting up, when you see the Windows 10 logo, there is a circle under it, count for 5 seconds. Then press the power button directly to power off. For desktops, if there is a "reboot button" on the chassis, you can also press the reboot button directly.

2. Click "View Advanced Repair Options" to enter the RE mode of Win10.

3. After entering the WindowsRE mode, click "Troubleshoot" below.

4. After clicking Troubleshoot, click on the advanced options below:

5. Select Done to return to the initialization interface, click Initialize and restart the computer to enter the system normally.

Hello, the computer can not start and press the power button, the computer is not powered on, check the circuit and computer power supply, the computer is powered on, open the computer side panel for inspection, disassemble the computer side panel, take off the memory module, wipe the metal contact point of the memory module with alcohol, which can prevent the computer from not starting due to poor contact of the memory module. If it still can't be turned on, it may be another hardware problem and should be sent for repair in time.

Questions. The boot fan is normal, there is no dripping sound, and the screen is black.

The boot fan is normal, there is no dripping sound, and the screen is black.

It is a system problem, it is recommended to reinstall the system.

Questions. Okay, thanks.

Okay, thanks. Mmmm, you're welcome.

In this case, there is a problem with the system, and it appears that installing a stable system can be used normally......

What's in the picture? Fault prompt? Has the power supply been checked? What hardware can be checked in the basic case?

There are three reasons why the laptop does not respond when it is turned on:

1. Note which battery is 0, in this case, you need to connect an external power supply and then turn it on.

2. Caused by static electricity. Try to use the power adapter alone and use the laptop battery alone to turn on, unplug all external devices, batteries and power adapters, press and hold the power button on the laptop to release the static electricity and let it stand for dozens of minutes before connecting the power adapter to turn on the computer.

3. Hardware failure needs to be sent to the after-sales service for repair.

The detailed processing steps are as follows:

1. Unplug the power supply (adapter) of the notebook.

2. Disassemble the battery of the notebook.

3. Press and hold the power button for 30 seconds.

4. Connect the power adapter (note: not the battery).

5. Press the power button to turn on normally.

Hello dear, happy to answer for you 1Check whether it is a power supply problem, first see if the power supply is not plugged in well or there is a problem with the plug, if you are using a battery, then plug in the power supply and try again. You can find a power supply of the same model to try it.

If it can be turned on, then it means that the external power supply is damaged, if not, then it means that there may be a hardware failure inside the laptop or the laptop boot button is out of order, in this case, it is recommended to take it for maintenance. 2.Check whether the key components are loose, which is further divided into three cases:

If the computer crashes after moving, it may be that the computer is subjected to a lot of vibration during the movement, resulting in loose internal parts of the computer and poor contact, resulting in a crash. Open the machine and re-fasten the memory, graphics card, hard disk and other equipment. a.

Motherboard failure: Motherboard failure is the main reason why laptops won't turn on. It is often caused by factors such as liquid ingress of the notebook, damage, and damage to the components of the motherboard itself.

b.Circuit failure: In addition to man-made, most of the faults of laptops that cannot be turned on are problems with the protection isolation circuit and the failure of the boot circuit and EC peripheral circuits, and sometimes the circuit is burned out in a large area.

Fault: BGA failure is also one of the reasons why the laptop won't turn on.

Summary. 1.Check the power supply:

Check that the Lenovo laptop power supply is plugged into an available power source. 2.Check the battery:

Confirm that the battery is charged, and if not, try recharging. 3.Check the switch:

Make sure the power switch is in the "on" position. 4.Check Restart:

Restart your notebook and see if it starts up properly. 5.Update Driver:

Reinstall all the drivers of your Lenovo notebook to make sure the system works properly. 6.Initialize the BIOS:

Reinitialize the BIOS to ensure that the hardware of the notebook is working properly.

The Lenovo notebook turned on and did not respond.

1.Check the power supply: Check whether the Lenovo laptop power supply is connected to an available power source.

2.Check the battery: Confirm that the battery is charged, and if not, try recharging.

3.Check the switch: Make sure the power switch is in the "on" position.

4.Check for restart: Restart your notebook and see if it starts up properly.

5.Update Drivers: Reinstall all drivers for your Lenovo notebook to make sure the system can work properly.

6.Initialize BIOS: Reinitialize the BIOS to ensure that the hardware of the notebook is working properly.

Can you tell us more about that?

First, check that your power plug is plugged in properly and then check that the battery is sufficient. If both of the above conditions are normal, please press and hold the power button for about 10 seconds to let the laptop turn on again; If restarting still doesn't solve the problem, we recommend that you try unplugging the battery and only using the power supply to power the laptop to boot it.

1. Check whether all the plugs of the power supply and the wires on the adapter of the notebook are firmly inserted into their respective sockets, if not, it means that the contact with the power supply is poor, just press the plug down again.

2. If the indicator light is not yet on, on the premise of ruling out the power adapter, it must be that there is a problem with the power chip of the motherboard or a short-circuit breakpoint, and the motherboard is not powered on.

3. If the indicator light responds but the screen is black, it may be a problem with the graphics card or memory.

4. There is no display when the boot is normal, check whether the power cable, switch, and data cable of the display are correct, and it is also possible that the display is damaged.