![]() ![]() 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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