a. Check if the battery is out of power or the power is seriously insufficient. Press the power button to see if the indicator is on. b. Connect the power adapter and turn it on again to see if the indicator light is on; c. Charge the machine continuously for more than 3 hours, then turn it on again;

a. Your computer is in the domain and the system administrator must reset your password. b. You are using a Microsoft account and you can reset your password online. c. If you are using a local account, use a password prompt as a reminder. d. Forgot the administrator password and there is no password reset disk or other administrator account, you will not be able to reset the password. This happens and you need to reinstall Windows.

a. Make sure the AC adapter is connected and the battery is installed. b. In order to avoid damage and potential hazard, do not charge in high temperature and low temperature environment. It is recommended that the charging environment temperature be 10 °C ~ 30 °C. Please avoid charging in a closed car and in hot weather.

Remove the battery when you are not using your computer. If you do not use the battery for one month or longer, please charge or discharge the battery to 30% to 40%, keep it ventilated, and store it dry.

a. If the computer makes a series of "clicks", it means the system has an error. Please contact our certification service organization. >b. If the computer can display the boot screen, but can not enter the system or report an error during the operating system startup process. Please restore the operating system again.

a. Please confirm if the computer is in hibernation. b. Please confirm whether you are in the operating system power management settings: close the LCD screen after a certain time. c. Please confirm whether your computer has an external display device and switch to the device for display.

It is not recommended to upgrade the memory yourself. It is not so easy to add or replace a memory to remove the back cover, and it may also damage its waterproof function. Please contact your dealer to help you upgrade your memory.

a. Check if your storage media is normal and other computers can read normally. b. Read the instructions for the software you are installing to verify that the software is compatible with the operating system of this computer. c. Verify that your computer’s hardware configuration meets the software‘s requirements for computer hardware. d. Confirm that other running programs are closed when installing the software, such as: some memory-resident anti-virus software, network real-time monitoring program.