There are two available USB cables: high and low speed. After this is done, insert the battery back into the laptop, reconnect the power cable, and turn the computer back on.
How do I remove the battery from my laptop computer?.Disconnect the power cable and removed the battery.If the steps above have not helped and you have a laptop with a removable battery, follow the steps below. Finally, plug in your power cable again.Once back in Windows plug in your USB devices.Leaving all the cables disconnected, restart the computer.Unplug the USB devices and power cable from the laptop.To verify this is not the problem, follow the steps below.
In some situations, when a laptop switches from battery to power cord, how the power supply delivers power to the USB ports may stop working. Finally, make sure all USB hubs are enabled and that no USB devices are disabled.Īdditional information about Device Manager and how to troubleshoot conflicts is on our Device Manager page. Next, verify that no other devices, including your USB device, is not encountering any conflicts indicated by a yellow exclamation mark. Verify that the USB is present in Device Manager and that the root hub is not encountering an IRQ or DMA conflict. If the USB device works on another computer, you know it is a problem with the computer and not the device. Verify the device works properly by connecting it to another USB port or another computer. There are situations when unplugging and plugging in a USB device can cause problems of detecting new USB devices. Restart the computerīefore following any of the steps below, we recommend restarting the computer. If the USB port on your Windows computer is not working correctly, the following steps might help you fix the problem.
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