Portable wifi can not be charged as the system is stuck, the reasons and solutions are as follows
You can use software to clean up the computer junk, turn off or uninstall some computer software that is not used frequently. Use anti-virus software to kill the virus, if this can not be solved, it is recommended to reinstall the computer windows operating software, reinstall the computer operating system, pay attention to the C disk important information saved to other disks, so as to solve the computer slow reaction
There are two possible causes: 1. The internal charging circuit is faulty. 2. The battery is faulty.
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The portable WiFi router will inevitably be bumped during use. If there is virtual welding in the internal circuit, it is likely to cause the solder joint to fall off and thus cannot be charged. It is also possible that the electronic components in the circuit are damaged, resulting in a failure to charge. At this time, you can find a professional to open it for inspection.