My usb port is not working, and my laptop was not turning on untill i disconnected my battury , but mu usb ports are still not working. modle of the laptop is ls50a and the make is LG thank you for your help in trying to help me , may god rewared you . maz
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You may want to check the BIOS settings; reboot and repeatedly press F2 until the setup screen appears. Check the onboard devices section and make sure that the onboard USB ports are enabled, then press F10, select 'Save and exit'. The system will reboot; check the ports again
The error you are getting is the USB port driver. I suggest disconnecting ALL of the items you have connected to ALL of the USB ports and rebooting. If the computer reboots normally, go back and install ONE and ONLY one USB device. Restart your machine. If it boots OK, shut down, remove that device and connect another one, restart again. Do this for EACH of the USB devices until you find one that causes the computer to boot slowly and/or generates the error message. That one is the culprit and needs to be repaired before reattaching to your system.
If, however, after removing all of the USB devices initially and rebooting, you still get the error message, then you have a USB driver problem. You will need to remove the USB driver and reinstall from a known good location (like HP's website) to fix the driver problem.
i,d check the bios setup. to ensure that USB devices are enabled.
Or that there are no conflicting devices:- My Computer/Control Panel/System/Device Manager.
Also some motherboards, have jumpers to set the USB ports on/off.
Try using a different port if you have 1 available, or purchase an individual PCI-Card with USB Ports On.
Try this to find out which one of your components has an issue. Turn off your machine then unplug all of your USB cables. Turn your machine back on and plug in one of your USB cables. Verify the component you just plugged in works correctly and if it does plug in another cable and verify that component is working. Continue these steps until you have the one component that displays the error you have seen. That component is most likely the cause of your issue and should be replaced.