Question about IOGear GCS632U 2-port KVM Switch

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IOGear 2-port KVM Switch (Keyboard Issue)

I have ten 2-port kvms. After a week or two the keyboard stopped on one. Checked the connections, changed the keyboard and disconnected the kvm and started all over with no luck. After a few lucky kicks and punches it started working (not sure if it was the kick or punch). A week or so later........I have two more machines with the same issues. How would you approuch this problem.

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Re: IOGear 2-port KVM Switch (Keyboard Issue)

I have had the same problem off and on since I bought my Iogear 2-port kvm switch over a year ago. I have a DYNEX wired, multimedia, usb keyboard and a Dynex wired usb mouse. The operating system on my desktop is Windows XP, SP3 and on my laptop it's Windows XP professional.

Yesterday, my keyboard "died" on me about 8 times and each time it requires unplugging the keyboard usb cable from the switch and my laptop, rebooting, then plugging the usbs back in. Really, really frustrating and annoying. I'm not a techno guru, but I got to thinking that maybe the keyboard driver might be the culprit. I decided to go to Control Panel, clicked on Keyboard, then Hardware/Properties/Driver/Update Driver. I clicked on "update driver" and let it find one automatically. It took what seemed like a long time for it to find the driver but it found one. The device name changed to KeyMaestro P2360, the driver updated, and I noticed 2 additional files were added to the System 32 directory.

It's only been a day but so far so good. My keyboard hasn't failed yet since the keyboard driver update. I don't know if this is the solution for you or not, but it seems to be the one for me. I'll know for sure if I can through a few days without it failing again.

Posted on Nov 12, 2008

Re: IOGear 2-port KVM Switch (Keyboard Issue)

Check the serial ports ???
What are you working on an old DEC mainframe ?

Posted on Dec 13, 2007

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Re: IOGear 2-port KVM Switch (Keyboard Issue)

Check serial port connects, turn the screws in, check port board for cracks, if the cables are getting pulled or tugged, and have ya ever spill softdrinks/coffee on the switch?

Posted on Dec 09, 2007

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This worked great for a couple of months and now

It may be possible that the KVM has gone bad. Make sure the keyboard is plugged into the keyboard port of the KVM as this is the only port on the KVM that will recognize the hot key commands. If you have ensured the keyboard is plugged into the keyboard port and you have tried multiple keyboard and still experience problems I would assume the KVM is having problems. IOGear KVMs have a three year warranty and their support can be reached by email

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First, disconnect the KVM switch from the computer(s). Disconnect also the keyboard and mouse from the KVM switch, including speakers (if there is). Leave the KVM disconnected for 5 minutes.

Before you reconnect the KVM switch, make sure that the computers are turned off. Re-connect the KVM switch to the computers, and then reconnect the keyboard and mouse.

Turn on the first computer, followed by the second one. If you are still not getting any light indicator, then the KVM switch is dead.

You may contact IOGEAR through 866-946-4327.

Thank you for using FixYa!

Jun 08, 2010 | IOGear GCS632U 2-port KVM Switch

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I just purchased an iogear GCS1742 2 port kvm Switch. The keyboard is the only piece of hardware that will not work. I have two cpu systems and one monitor. The keyboard has a PS2 connector with a usb...


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.

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As a wild guess, it sounds like a static discharge MIGHT be affecting the switcher causing it to crash.

Try increasing your humidity to 40% and grounding yourself before touching the keyboard... This is the season for these static electricity problems... get nipped all the time and you MAY not even feel it to be enough to zap the switch.

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Have a GCS634U KVM that keeps failing to switch. acts like it lost the keyboard

This GCS634U was designed to work with USB keyboards and mice.

First, you need to make sure that your using a direct USB keyboard (no PS/2 to USB adapter).

Second, connect the keyboard directly to the computer and make sure that it's working correctly.

Third, check the connection between the KVM switch and the computers. Try to connect the USB cables of your KVM into different USB ports of the computers.

Last, try to use different USB keyboard to see if the issue is the KVM or the keyboard.

Try to power cycle the KVM switch. Disconnect the KVM from the computers and make sure that there's no even one cable connected to the computers.

Leave the KVM switch disconnected for 10 minutes, then plug it back in. Reboot one computer first and wait until it's fully rebooted. Turn on the second one untill all computers are fully booted up.

If same problem occur, then you need to contact IOGEAR and have them RMA the device.

Thank you and good luck!

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Not switching systems

Make sure your keyboard is plugged into the keyboard port of the KVM. The IOGear KVMs use a keyboard and mouse emulation. Due to this the keyboard port is the only port will recognize the Scroll Lock command.

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Please make sure that the keyboard is hooked up on the KB port of the KVM. check underneath the GCS632U for the correct console port. you will see a keyboard and mouse icon. Make sure that the keyboard is connected to the keyboard port. tap scroll lock key twice to switch between computers.

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Operating System doesn't deal anything on your problem. The problem depends on the brand of you computers or the type of keyboard you are using.

The GCS632U is designed to work with standard USB keyboard and mouse only. And wireless and gaming keyboards and mice are not guaranteed to work correctly with this KVM switch. If any one of you is using the new Mac Aluminum keyboard, this keyboard will not work with the older version of the GCS632U. But IOGEAR releases a new batch of GCS632U that would work with the Apple Aluminum keyboard.

If you have an Apple Aluminum keyboard that does not work with the GCS632U, you may contact the IOGEAR Tech support and they will process a Return Merchandize Authorization (RMA) if your device is still under the warranty period.

To resolve your keyboard issue, try to power cycle the KVM switch by disconnecting it from the computers, disconnect also the keyboard and mouse from the KVM switch. Leave it disconnected for two minutes. After two minutes, reconnect everything and reboot the computers.

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