Method 1: Change the Mini PC network settings
Step 1: Open the "Device Manager" on your computer.
Step 2: Find the wireless network card device that needs to be connected to WIFI under "Network Card Adapter" in the device manager interface.
Step 3: The property setting interface of the wireless network card appears. In order to avoid the frequency of disconnection, especially when the computer is idle. We can uncheck the "Allow the computer to turn off this device to save power" under the "Power Management" tab.
Step 4: Switch to the "Advanced" tab, select Wireless Mode, and select "IEEE 802.11a/n/ac" in the value to connect to the 5G frequency band of WiFi.
Method 2: Change the wireless router settings[Need to confirm that the wireless router can transmit dual-frequency signals]
Step 1. Enter the wireless settings, and name the 2.4G and 5G wireless network names (SSID) respectively to distinguish them.
Step 2. Set the encryption method, password and other parameters of 2.4G and 5G respectively, pay attention to keep the parameters consistent, so as to facilitate the automatic switching of the device.
Step 3: Save the settings, restart the router, and the settings will take effect. It is recommended to consult the wireless router manufacturer for details.
How to solve the problem of turning on bluetooth but no bluetooth devices can be found
Make sure that Bluetooth is turned on: First, make sure that the Bluetooth function on your computer is turned on. Bluetooth options can usually be found in the operating system's settings menu.
Check device visibility: Make sure your Bluetooth device (such as headset, keyboard, mouse, etc.) is set to be discoverable by other devices. Some Bluetooth devices may be hidden by default and need to be manually set to be visible
Update the Bluetooth driver: Make sure you have installed the latest Bluetooth driver on your computer. (go to the official website or via the forum to download and install the latest driver)
Restart the Bluetooth adapter: Try to find the Bluetooth adapter in the device manager, disable it for a while and then re-enable it to see if the device can be reconnected.
Solve interference: Surrounding wireless devices or electronic devices may interfere with the Bluetooth signal. Try moving other wireless devices or sources of interference away and try connecting again.
Re-pair the device: If you have paired the Bluetooth device before, try unpairing and re-pairing, which may help to solve the connection problem.
Reinstall the system
If the above steps are invalid, there may be a hardware failure.
1). After pressing the power button, there is no picture on the screenand the power indicator light is off
If the power indicator light is off, it may be that the adapter cannot supplypower orthe main components are abnormal and cannot be turned on.
1. Press RESET with the pin for 5~10 seconds
2. Reinstall the memory
3. Please use the correct specifications of the original adapter and power cord
4. Please confirm whether the adapter connector, power cordend/B socket end/C computer end are loose, or you can try to replace thesocketNote: Different models of computer adapters may have different styles
5. Please check whether the adapter wire is damaged, if so, please replace the adapter for testing
6. Please remove all external devices, including USB/memory card/network cable/HDMI, etc.
7. Before the problem occurs, have you ever expanded the harddiskormemory? If so, please restore to the factory default state first.
8. Remove the adapter, then press and hold the power buttonfor 40seconds (press and hold it) to reset the CMOS
9. After connecting the adapter, press the power button to confirmwhether it can be turned on normally
2). After pressing the power button, there is no picture on the screen, and the power indicator light is on
If the power indicator light is on, it means that the motherboard is over- powered, but it may not be able to boot due to some devices.
1. Press RESET with the pin for 5~10 seconds
2. Reinstall the memory
3. Please try to turn on the monitor switch to confirmwhether thereisno picture due to shutdown.
4. Please try to re-plug the HDMI cable to confirmwhether thereis nopicture due to poor contact.
5. Please try to change the display input method (HDMI/VGA/DP) toconfirm whether there is no picture due to different input methods.
6. Please try to connect the computer to other monitors to confirmwhether it can be displayed normally.If you do not have other monitors, or other monitors have no picture, please skip this step.
7. Please try to execute Microsoft's shortcut key: Windows logokey+Ctrl + Shift + B to restore display related settings.
8. Please remove all external devices, including USB/memory card/network cable/HDMI, etc.
9. Before the problem occurs, have you ever expanded the harddiskormemory? If so, please restore to the factory default state first.
10. Turn off the computer (press and hold the power button for 15seconds until the power light goes out, perform a forced shutdown) and remove the adapter, then press and hold the power buttonfor 40seconds (hold down) to reset the CMOS.
11. After connecting the adapter, press the power button to confirmwhether it can be turned on normally.
3). After pressing the power-on button, there will be a screenwhenbooting up, but there will be no screen after entering the desktop.
If you can see the welcome icon of Windows when you turn it on, but it will beblack after entering the desktop.It may be caused by the display adapter driver. It is recommended to enter safe mode. enter safe mode ▪ You can refer to How to enter the safe mode when the Windows system cannot be entered.