The power adapter is broken. Intermodal Electronics recommends that when purchasing a new power supply, the parameters must be checked and the regular power supply with the CCC certification mark selected.

What causes the sudden failure to charge? Next, the Unicom power adapter manufacturer will teach you how to do troubleshooting.

1. Is the power adapter's parameters incorrect?

Solution: Look at the battery behind the laptop is 16V3.75A, if not, choose to buy the same power adapter as the laptop battery nameplate.

2. The output connector is correct.

Solution: See if your power adapter can be plugged into your laptop, and if so, this means the connector is not wrong.

3. Is the output voltage and current of the power adapter normal?

Solution: Use the multimeter to set the V bit and test the output connector voltage to 16V. If there is no output, the power is off.

The power adapter is broken. Intermodal Electronics recommends that when purchasing a new power supply, the parameters must be checked and the regular power supply with the CCC certification mark selected.