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Best kvm switch for mac and pc 2019 plus#
That's why some KVMs have dedicated ports for keyboard and mouse, plus a few general-purpose USB ports that are just switched between the connected computers when the KVM focus switches by "unplugging" them from one computer and "re-plugging" into another.Īs a result, your question is not answerable with any certainty unless you specify the exact model of the KVM you're using, and which USB port of it you're using for your webcam.Submit Build Help/Ready post Submit Troubleshooting post Submit other post New Here? BuildAPC Beginner's Guide Live Chat on Discord Daily Simple Questions threads
![best kvm switch for mac and pc 2019 best kvm switch for mac and pc 2019](https://cdn.cultofmac.com/wp-content/uploads/2019/07/E7B6DF6B-242D-4E24-BAC8-4ECED5A86475.jpeg)
When this works correctly, it makes KVM focus switching much more convenient.īut as a result, if a KVM is of the second type, the USB port on the KVM will no longer be fully general-purpose: the special handling for mouse and keyboard may confuse any other USB devices connected via the same ports. With the keyboard, such a KVM will remember & restore the state of the NumLock/CapsLock/ScrollLock LEDs with each KVM focus switch. When the KVM focus is switched back, the KVM will first replay the appropriate mouse initialization sequence to the mouse and only then resume the connection between the mouse and the computer. This is inconvenient.Īs a result, some KVMs will attempt to detect and remember how each connected computer initialized their keyboard & mouse connections, and will maintain an illusion that the keyboard and mouse are still connected to the computer even when the KVM focus is switched away. the system is within a BIOS setup menu), it might be necessary to reboot the system to re-detect the presence of the mouse. Or if the system is running something other than a fully hot-plug-capable operating system (e.g. But when KVM focus is switched to another computer, this approach may cause a delay while the presence of the mouse is re-detected and the mouse protocol is re-initialized. The simplest way to deal with this would be for the KVM to present the mouse as "plugged in" only to the computer that actually has the KVM focus at the time. The same mouse can used in different, incompatible modes by two computers connected to the same KVM. a mouse is being used as a plain old 2-button mouse, or with advanced features like scroll wheel and a larger number of buttons. In a KVM, the USB ports for keyboard and mouse are often special: they might identify whether e.g. Is the KVM simply incompatible with the webcam? The webcam works on every system when it is not connected through the KVM.
Best kvm switch for mac and pc 2019 windows 7#
I should also know that the first system dual boots to Windows 7 and the webcam also does not work through the KVM there. usb 1-2-port2: unable to enumerate USB device usb 1-2.2: device not accepting address 23, error -71 usb 1-2.2: new high-speed USB device number 23 using xhci_hcd usb 1-2.2: device not accepting address 22, error -71 usb 1-2.2: new high-speed USB device number 22 using xhci_hcd usb 1-2.2: device not accepting address 21, error -71 usb 1-2.2: device descriptor read/64, error -71 usb 1-2.2: new high-speed USB device number 21 using xhci_hcd usb 1-2.2: device not accepting address 20, error -71 usb 1-2.2: Device not responding to setup address.
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The device works in all respects (including on my usb keyboard and mouse) except I cannot connect my usb webcam ( this one) through the KVM.Īfter plugging the webcam into the switch I get the following from dmesg: usb 1-2.2: new high-speed USB device number 20 using xhci_hcd I recently purchased a KVM switch ( this one) to allow me to use both my computers with one set of peripherals.