![]() ![]() One of those could conceivably be getting tangled with or confused by these USB devices. If you have any add-on tools that chat to devices on the USB, such as USB serial dongles, see if that software is current, and also look at removing it. ![]() USB devices can fail, or can draw too much power, and one wonky device can drag down the whole USB bus. Shot-gun answer follows, and all this presuming that you've verified the sidebar stuff discussed earlier.ĭisconnect all external devices - hubs, disks, whatever - except the card reader, and try hot-plugging it again.
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