I purchased a IO Gear GCS22U 2P USB RT KVM switch from Newegg.com and I love the unit except for the fact that the keyboardfunction won't work on one of my computers. This computer has WindowsVista Home Premium Edition installed, and the other one has WindowsVista Ultimate as the OS. I tried switching out the USB and video leads between the two computers, thinking that maybe the USB jack from theswitch to the computer was bad, but either keyboard USB jack worksfine with the Vista Ultimate computer, but not with the Home Editioncomputer. If I pull the USB plug out of the switch and directly into the''bad'' computer, the keyboard works fine again, but when routed throughthe switch, it's non-functional. I did get it to work several times, but when I switched back and forth between the computers using the remote switch, it stopped working again. This really has me baffled, maybe you have some ideas, because I don't!
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Due to the keyboard emulation that the GCS1742 uses it may not work with a PS/2 to USB adapter. If possible try using the KVM with a basic USB wired keyboard. This will tell you if the KVM is in working condition or if there is a problem with the actual KVM. If the KVM does not function correctly with a basic USB wired keyboard then I would think there is a problem with the KVM.
I have similar problem. 2 inland KVM's (both have PS2 inputs, one has USB outputs) do not light or recognize my usb mouse with a PS2 adapter. They do recognize a PS2 ball mouse on the KVM's however. One of the computers (Sony vaio 1.5 GHz) does recognize a usb mouse with adapter on 2 other KVM's (Old Belkin and a Trendnet) (the second computer I have not tried in those configurations). Next I will try an optical mouse with a PS2 fitting. That did work with a fifth KVM at an auto business last week.
This is a common problem with a number of KVM switches - this model in particular.
I have heard that the Bytecc BT-2000 connector will work in SOME cases:
*5.99 on Newegg - http://www.newegg.com/Product/Product.aspx?Item=N82E16812101117
It might be worth the investment to give it a try, if you haven't already tried this. Bytecc does make very high quality hardware. However, if that doesn't work, there's really not much else that can be done, other than replacing the KVM with one designed to run off a single USB port.
Hate giving bad news like that. It's a hardware limitation, I'm afraid.
I?ve had issues with USB mice on the more inexpensive KVM switches. I?m currently using a Belkin OmniView using a Microsoft Explorer USB optical mouse and a PS2 to USB adaptor. The adaptors I use are from Cyberguys.com and work well for most of the USB mice we have.