Question about M-Audio US85100 Keyboard

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USB connection The keyboard worked fine until I dropped it. If you connect the 9V power it turns on, but the USB connection does not work, any tips on how to fix it? Shouold i open up the keyboard again?

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I just replaced a usb port on one of those, to bad not only does it draw its power but data transfers, you may need to find someone savvy to solder it or replace it.

Posted on Oct 23, 2007

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Hi The problem you have is that you may have dislodged the plastic covering inside the keyboard and that may have cover the connector that sends the signal to the USB if you are confident to remove the cover and check the plastic do so my advice would be to forget it and buy a new one with the cost off keyboards at a low this would be the better choice

Posted on Aug 21, 2007


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Posted on Jan 02, 2017

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Keyboard not working

Do you have a spare USB keyboard you could try using? If an external keyboard works just fine - but the actual keyboard on the laptop does not respond at all - it is likely that the keyboard has failed.

If you are comfortable taking your laptop apart, you can try to unplug the keyboard and plug it back into the connection point on the laptop. DO NOT TRY THIS UNLESS YOU ARE 100% COMFORTABLE WITH REMOVING THE LAPTOP KEYBOARD.

If you can get the keyboard to work by reseating the connection then that is awesome! However, the problem with laptop keyboards is that there isn't a solid way to tell if the keyboard is bad, or if the motherboard connection for the keyboard is bad. The only way to know for sure is to pay to have the keyboard replaced. If that fixes it, then that is great! But - if paying to get the keyboard replaced doesn't fix the computer, then you will be looking at an expensive motherboard repair.

If an external USB keyboard does work, it may be a temporary solution until you are ready to have a certified technician replace the built in keyboard.

Oct 13, 2011 | Toshiba Satellite C655-S5068 Notebook

1 Answer

Hi my mouse has worked for years. I just changed the battery in the mouse and now it will no longer work. The jump drive turns red when I push the mouse up to it then nothing happens. I went to Control...

From your description, it sounds like the wireless connection between the mouse and the USB receiver (jump drive) isn't resetting. Here are the steps to reset the connection after changing batteries:

With the computer on, mouse on, and receiver installed in the USB port...
1. Turn the mouse over and aim the front at the receiver, like this:
thomascha103_8.jpg 2. Press the "connect" button on the bottom of the mouse. It's small and round, next to the power switch.
3. Then press the "connect" button on the receiver
(the connect buttons always have to be pressed in this order)
4. When you press the button on the receiveer, the light will turn on. Keep the mouse pointed directly at the receiver until the linkage is complete and the light turns off.

That whole process has to be completed in under 60 seconds. If it takes longer, you'll have to start over.

At least, that's how it works for me. Here's a link to the user manual with other helpful troubleshooting tips:

Best of luck!

Jan 20, 2011 | Belkin Mini Wireless Optical Mouse...

1 Answer

Keyboard does not type

If all the keys on the keyboard have stopped functioning follow the instructions below to reconnect the keyboard.

This problem is likely to be a lost connection. The connection between the mouse and the USB mini-receiver or the keyboard and the USB mini-receiver can be lost due to several reasons such as:
  • Low batteries
  • Moving the USB mini-receiver from one USB port to another
  • Moving the USB mini-receiver to another computer
  • Plugging the USB mini-receiver into a USB hub or other unsupported device such as a KVM switch (your USB mini-receiver must be plugged directly into your computer)
  • Using your cordless mouse/keyboard on metal surfaces
  • Radio frequency (RF) interference of more powerful wireless devices such as:
    • Wireless speakers
    • Computer power supplies
    • Monitors
    • Cellular telephones
    • Garage door openers
Eliminate any problem sources mentioned above that might be affecting your devices.

Follow the procedures below to reconnect your mouse and keyboard.
  1. Make sure the USB mini-receiver is directly and securely plugged into a working USB port on your computer.
  2. Make sure the mouse is turned on. The on/off indicator on the bottom of the mouse should be green. If the on/off indicator is not illuminated, press and hold the red connect button on the bottom of the mouse until the on/off indicator is green.
    On / Off Indicator
  3. Press and release the red connect button on the underside of the USB mini-receiver. This will broadcast a signal to your mouse. This broadcast will last only a few seconds, so you must perform the next step quickly.
    Red Connect Button
  4. Quickly press the red connect button on the bottom of the mouse for 1 second, then release it. The power indicator will flash briefly and then turn green. The mouse is now connected to the receiver.
    Red Connect Button NOTE: Holding down the red button on the mouse for more than 2 seconds may cause your mouse to turn off instead of connecting. If this occurs, start again at step number 2.
  5. Move your mouse to see if the cursor moves. If the cursor follows the mouse movements, your mouse is now connected.
  6. Press and release the red connect button on the underside of the USB mini-receiver. This will broadcast a signal to your keyboard. This broadcast will last only a few seconds, so you must perform the next step quickly.
    Red Connect Button
  7. Quickly press and release the red connect button on the underside of the keyboard.
    Keyboard Connect Button
  8. You will hear a short beep. The keyboard is now connected to the receiver.
  9. Test your keyboard to see if it is working. If the mouse now works but the keyboard still does not, see Knowledge Base article 9144.

Dec 14, 2010 | Logitech Cordless Desktop MX3200 Laser...

3 Answers

I replaced my hard drive in my hp pavilion desktop a1520n windows loads and then reads that i will have to register my copy of windows But my keyboard and usb ports dont have power so i cant do a...

A lot depends on where the keyboard and mouse are plugged in. I have seen in the past that the USB in the back works better than the front. Are these the original keyboard and mouse? If not, use the original until after Windows loads the desktop.

Mar 21, 2010 | HP P2360AA Keyboard/Mouse

1 Answer

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!

Nov 12, 2009 | IOGear GCS634U KVM Switch

1 Answer

Screen only showing a USB connection (not attached to computer!)


I think you should restore your iPhone to factory settings. if you cannot do that with the iTunes software, there's a chance your device's battery is malfunctioning, and you should replace it on a service center, if you'er under warranty.

Aug 29, 2009 | Apple iPhone Smartphone

1 Answer

ST-500 not recognized with Epson CX9400 printer

Printer is draining USB power resource. Add a powered USB hub and run drive off of that.

Jul 23, 2009 | SimpleTech SimpleDrive Pininfarina 320GB...

2 Answers

Keyboard not working

To connect the keyboard or mouse to the computer, you must connect the wireless device through the USB port and get it to hold a good connection. You do not have to install any devices to use these products, they automatically work when you plug them in. When it says that the device is recognized, you are ready to use it! If you have a desktop, you can also plug the wireless device to the mouse port. The keyboard and mouse work properly up to 5' away from the connected wireless device. If you can get the wireless device to work properly, you should have no troubles with the product.

Dec 29, 2008 | Innovations kb985w RF Wireless Keyboard

1 Answer

Problem with KVM switch and Vista

Your problem has nothing to do with the Operating System (Vista), it has something to do with the brand of your computer. I have similar problem before, I have Vista (Dell), but the time I connected another Vista (Sony Vaio), everything worked correctly.

This is what you need to do:

1. You have to make sure that you are using a standard USB keyboard and mouse.

2. Connect first the keyboard and mouse directly to the Vista computer to see if the USB ports of your computer are working properly.

3. You may power cycle the KVM switch by disconnecting it from the computers (including the keyboard and mouse) and leave it disconnected for 2 minutes.

4. Reconnect everything after two minutes and then reboot the computers.

5. Try using different USB keyboard if problem exist after power cycling the KVM switch.

Sep 16, 2008 | IOGear GCS632U 2-port KVM Switch

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