Laptop power light is off

When using a laptop, some users may encounter the problem that the laptop power indicator light cannot light up. Nothing happens when pressing the start button. It's the same whether you're using a laptop battery or an external power source. Please tell me, how can we solve the problem of laptop power light not lighting up? The editor will provide you with solution tips in the following content.

Now more and more users are using laptops and encountering more and more problems. We all know that under normal circumstances, when our laptops are charging, the power light is always on. So what’s wrong with the laptop’s power light not lighting up and the laptop’s power light blinking? Below, Xiao Bian will discuss with you the solution to the problem that the laptop power light does not turn on.

How to solve the problem of laptop power light not lighting up.

Solution to the problem that the laptop power light is not on:

1. To confirm whether the laptop power adapter is connected to the socket and whether the socket itself is powered, you can check whether the indicator light on the power adapter lights up. We can replug and unplug. If the light still doesn't light up, the power adapter may be broken.

Power light diagram-1.

2. If the battery is used as the power source, check whether the battery is installed correctly, whether the battery model is the original battery, whether the battery is fully charged, etc.

Laptop power light Figure-2.

3. After eliminating the first two situations, there may be a problem with the notebook motherboard power module. Please check carefully whether the DC board is normal.

The power light does not light up -3.

4. Use a multimeter to measure whether the voltage output by the power box is normal, whether the socket on the laptop is loose, whether the switch is effective, or whether the light does not light up. If so, the lamp may be aging.

Power light Figure-4.

First, if the laptop power indicator light does not turn on, try to remove the battery and try to start the laptop while plugged in. If possible, the LED power indicator is broken. If it doesn't work, the computer adapter may be bad. Try charging the battery. If possible, the LED power indicator is broken.

Laptop power light Figure-5.

6. If the problem cannot be found, it is recommended to go to a professional maintenance point for repair.

The above are tips for laptop power light not on. Laptop users in need can take a look.

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