You should choose to leave it enable or disable it as per your own needs.Īs mentioned, the USB selective suspend is really handy for laptop and tablet users in that it saves you power from unnecessary USB devices. Part 2: Should I disable USB selective suspend or enable it?
Because some of your devices keep running somewhere. In other words, if some of your USB ports are not suspended, your Windows is not likely to be able to go to the sleep or hibernate mode. Such being the case, if Windows detects that none of your USB devices are in active use, it will first suspend accordant USB ports, and then go to the sleep or hibernate mode, to reduce your power consumption. Not to worry that your idle keyboard and mouse device will be suspended, because if you have enabled Wake from Keyboard/Mouse option in BIOS settings, which is usually the case with most of the computers, these two basic devices are filtered out. It comes really handy for laptop and tablet users, especially when you don’t have a charger plugged in. That said, you’ll have more power available from idle external devices, and your actively in use USB devices won’t be affected. This is one of the ways how Windows avoid data loss and driver corruption in devices such as external hard drives. To reduce the overall power consumption, especially if you’re a laptop or tablet user, Windows will automatically put a certain USB port that is not in use in a low-power state. USB devices such as webcams, printers, and scanners are not in active use every minute of the day. (Not sure if you have the most recent correct USB device drivers? Use Driver Easy Free to find out! 😉 ) USB selective suspend feature only works when you have USB devices connected to your computer, and that you have the most recent correct drivers for your USB ports. Part 3: If I want to disable it, how can I do that? Part 4: What to do if my USB device is still not recognized? Part 1: What is USB selective suspend? The tl dr version: it prevents your computer from using too much unnecessary power by putting certain USB port(s) in a low-power state, i.e.
Part 2: Should I disable it or enable it?
In this post, we’ll tell you everything you need to know about the USB selective suspend feature, so you’ll have a better idea what to do the next time your USB device fails to be recognized again. As a matter of fact, in many cases, this problem has to do with a feature in Windows: the USB selective suspend. Many Windows users are reporting this problem as well. If you see an error message popping up when you plug in your USB device saying that USB device not recognized, making it impossible to use your USB flash drive, or that you can’t help but notice that the battery for your laptop or tablet is draining real fast, you’re not alone. Driver Easy fixes your USB not recognized problem immediately for free!
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