What if the power light of the laptop is not on?

This article mainly introduces how to do if the power light of the notebook computer is not lit. What is introduced in the article is very detailed and has a certain reference value. Interested friends must finish reading it!

1. If the light on the notebook power adapter is not lit, first we check whether the power adapter is connected to the socket and whether there is electricity at the socket. We can try to reseat the plug. If the indicator is still off, the power adapter should be broken.

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.

3, after excluding the first two cases, then it is possible that there is something wrong with the notebook motherboard power module, please carefully check whether the DC board is normal.

4. You can use the multimeter to test whether the output voltage of the power box is normal, whether the socket above the notebook is loose, whether the switch is effective, or whether the light can be turned on. If so, it is probably because the lamp is aging.

5. If the notebook power indicator is not lit, first remove the battery and see if the notebook can be started in the case of power on. If possible, then the LED power indicator is broken. If it doesn't work, maybe the computer's adapter is broken. Try to charge the battery, and if so, the LED power indicator is broken.

The above is all the contents of the article "what to do if the laptop's power light is not on". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!