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  • can't boot \unchargeable

Try using a charger with another 12V/2A DC interface to test whether the problem is with the computer or the charger.

  • The screen has a few pixels white point

1. First confirm whether the white point cause is the background.
2. Then look at other underlying pages to see if there are still pixel white points.
3. In addition, the display in the industry standard is allowed to have a dot or bright spot of 0.2-0.4.

  • Unable to boot?

1. low battery (less than 1% power)
If the tablet does not respond after pressing the power button, you can plug it in for about half an hour to 1 hour. Try again to see if it can be turned on;
2. It may be the cause of an adapter or charging line failure.
Test whether it is charged normally on other devices (such as mobile phones, equivalent current and voltage plates). If it cannot be charged properly, please replace the adapter and charging cable. 3. system crash.
Plug in the charger first, charge about 1 hour, then press and hold the power button for 15 seconds to force reset, then restart after 5 to 10 seconds in the middle;
4. the boot key is not good
The power button cannot be pressed and cannot be used normally.
5. USB charging dock is damaged
Check if there is any abnormality in the USB interface. If the damage is broken, the pinhole is offset, or the USB cable is loose after plugging in the charging cable, it can be defined as a bad USB interface, causing the plugged adapter not to be charged, and the disassemble and then replace the USB interface;
6. the battery is in poor condition
If the charging indicator flashes after plugging in the adapter, the power is 100% after the power is turned on, but the adapter is turned off immediately after the adapter is unplugged. This phenomenon is caused by a bad battery and needs to be replaced.
7. the display is broken
After the boot, the screen has brightness. If you press and hold the power button for 15 seconds, the backlight can be turned off normally. This phenomenon is bad for the display and the display needs to be replaced.
8. the display FPC cable is not good
If the plate falls during use, or if the assembly fails, the display FPC cable will fall off. Finally, the machine can't be turned on, then you need to disassemble the panel battery and then re-insert the FPC cable, or replace the new cable with poor cable;
9. the BIOS file is missing
In this case, you need to use the tool to scan the BIOS on the computer after disassembling the machine. You cannot directly operate it through the USB flash drive.
10, the motherboard is bad
Note: The above 1, 2, and 3 treatment solutions can be solved by themselves; 4, 5, 6, 7, 8, 9, and 10 need to be sent back to the after-sales processing.