Power Surge Error on Hub Ports Solution: Remove excessive or power-hungry devices. Check if the USB port is damaged, replace the port/cable. Make sure the power supply is stable and replace the socket. Update drivers and run SFC scan. Reset BIOS, update BIOS, contact manufacturer if necessary.
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Win7 prompts a power surge on the hub port in the lower right corner, how to solve it?
When your Windows 7 computer prompts you with a "Power surge on hub port" error, it means that your USB port has detected a power surge that is outside the normal operating range. This problem may be caused by the following reasons:
1. Too many connected devices or too high power consumption
- Unplug from the USB hub Then reconnect all devices one by one until you find the device causing the surge.
- Replace the USB hub, or connect the device directly to the computer's USB port.
2. USB port damage
- Check the USB port for bent pins or other signs of damage.
- Use a different USB port or cable.
3. Power supply issue
- Make sure the computer is connected to a stable power source.
- Try using a different power outlet.
4. Software issues
- Update the USB driver.
- Run a System File Checker (SFC) scan to repair corrupted files.
5. Hardware problem
- Try resetting the BIOS settings.
- Update the motherboard BIOS.
- If necessary, contact the manufacturer for further support.
Tips to Avoid Power Surges
- Use high-quality USB hubs and cables.
- Avoid connecting too many devices at the same time.
- Disconnect unused devices.
- Protect your computer and peripherals with a surge protector.
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