Sometimes, electronic products will crash, so if the cash register opportunity does not respond to the boot, what should I do?

Symptom: The power button does not respond. Plugged in the power supply did not respond

First, if it is an RK tablet, set the power button to see if the light next to the reset button is blue. If there is no indication of any light, you need to plug in the power supply to see if the color of the light changes to red. Most of the time when the machine cannot be turned on is because it is required to be fully charged for a long time during the transportation process or when the factory power is low (protection board). The tablet that is used for the first time needs to be fully charged. If it still doesn't work, you need to hold down the power button and poke the reset hole until the screen is lit.

Second, if it is a mewsmy tablet, plug it directly into the power supply and press the power button after charging for a long time.

Other tablets can mimic the last two ways to boot.

Third, the battery should not be less than 20%.

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