![]() ![]() USB Selective Suspend is a power saving setting that cuts power to the USB device, thereby reducing battery use. ![]() However, if you're keen to reduce power usage, you might have set your Windows 10 desktop to low power. ![]() This is particularly relevant if you think your laptop USB port is not working. It will appear that USB is not working, but in fact the operating system has put the device to sleep. If power management settings are overriding your USB controller, this will impact the detection of USB devices. At certain times, you want to work on a single laptop screen in the living room, and at others, you buckle down at a desk with a more elaborate multi-screen setup and desktop peripherals.Have Power Settings Stopped Your USB Ports Working? And in these fraught days, with most business travel reduced to wearing a path in the carpet between your home office and the kitchen, flexibility matters. But many offices around the globe still rely on legacy ports such as HDMI and USB 3.0, not to mention SD card readers and Ethernet for wired connections. Thunderbolt and wireless connectivity are perfectly serviceable for most mobile professionals while they're out and about. Check out our primers on Thunderbolt 3 and Thunderbolt 4 to learn what makes Thunderbolt different from USB-C. Like Henry Ford's Model T, which gave you a choice of colors (so long as you chose black), modern MacBooks give you your choice of ports, so long as they are Thunderbolt ports.Īpple uses Thunderbolt 3 on laptops with Intel processors, and Thunderbolt 4 on laptops with Apple's own M1 processor.
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