I have a Legion Y520-15IKBN Laptop (Lenovo) - Type 80WK laptop and my usb 2.0 port does not read any devices but apparently gives out power. On the other hand, my usb 3.0 ports only read devices with usb 3.0. I literally tried everything... changed windows ... deleted recently installed updates ... updated drivers ... installed the old drivers again ... disabled power suspension for usb ... my battery is in good health but I tried taking the battery out for 1 hour and even holding the power button ... I don't know what else should I do? Thank you in advance for your help.
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Test if the Windows OS or its drivers are at fault, boot from a live USB (e.g., Win PE/WinRE, Ubuntu).
If the ports work properly from the other OS, fix Windows, using SFC and DISM or reinstall from ISO.
If the ports do not work properly under the alternate OS, then you have a hardware issue.
- Either have the machine repaired
- Or try using a USB hub in the 3.0 ports to see if that lets a USB 2.0 device work.
DrMoishe Pippik
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