Question about Dell Wireless Keyboard Optical Mouse w0147

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Dell Wireless Keyboard interference

I appear to have a potential interference issue. I'm sitting at my wireless keyboard and I'm not typing, but words are still appearing on my screen. My receiver might be picking up someone else's keyboard at work.

My office has two identical computers using Wireless Dell RT7D40 keyboards and Mice. The computers are 50 to 60 feet apart yet the input on one computer is being picked up by the other. Is there a way to change the channel on one of the keyboards ( and how would I do this? ) or is there another solution?

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With that kind of distance the likelihood of having the keystroke signal picked up by another computer is very small even under ideal conditions. Even using a bluetooth wireless keyboard you're only "optimal" within about 30 feet.

Without the bluetooth setup i don't believe there's a way to connect the keyboard only to the one computer. Your best bet for a solution is to move them as far away from eachother as practical. Repositioning the reciever on the effected machines so they're less likely to pick up a signal further away (lower, and closer to other electircal / electronic equipment) should help as well.

Posted on Jul 01, 2008

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Dell sells technology such as computers, computer peripherals and consumer electronics to both consumers and businesses. Dell sells both wired and wireless keyboards and mice that are compatible with Dell and other computer systems. Dell wireless keyboards may encounter hardware, software or other problems under certain conditions.

Power Dell wireless keyboards transmit data to the Dell USB receiver, which in turn passes the data to the computer's operating system. The keyboard gets power from two AA batteries. As the batteries lose charge, the keyboard's transmissions can become intermittent. Replacing the old batteries with fresh ones will ensure consistent communication and resolve the power issue. b> Interference Dell wireless keyboards operate best and are least susceptible to interference when the user places them at the recommended distance from the USB receiver. The distance, specified in the keyboard's accompanying software or installation guide, varies by keyboard. Even if the user places the keyboard at the proper distance from the USB hub, metal objects between the keyboard and hub can create interference; moving objects that create the interference resolves the issue. b> Connection The Dell USB receiver that passes data from the keyboard to the computer requires proper and secure installation in a working USB port. If the receiver connects to the USB port improperly, or if the USB port to which the receiver is connected is faulty, the keyboard will not operate as expected. The user can reseat the receiver in the USB port, or connect to the receiver to a different, functioning USB port to resolve connection problems. b> Synchronization Dell wireless keyboards can broadcast at more than one frequency, just as their associated USB receivers do. If the two devices broadcast at different frequencies, they will not pass information to each other. The user can resolve this situation using the buttons labeled "Connect" on the top of the receiver and the bottom of the mouse. Pressing the buttons simultaneously triggers the synchronization process. b> System Dell wireless keyboards are compatible with most Dell systems. However, a keyboard may be incompatible with a given computer for reasons related to the computer rather than to the keyboard. To determine if this is the case, a user can connect the keyboard to a different computer. If the keyboard functions as expected with the second computer, the problem may reside in the first computer rather than in the keyboard.

Dell wireless keyboard problems
http://support.dell.com/support/topics/global.aspx/support/dsn/en/document?c=us&dl=false&l=en&s=gen&docid=715E6659A4141AFAE040AE0AB7E10D59&doclang=en&cs= - Issue0_1

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My secretary was using my computer and now I can't get the "insert" key or the numbers pad to work. I have a dell wireless keyboard. When I bought a Dell laptop several years ago I had to...


Welcome to FixYa.

As a standard troubleshooting for wireless devices please do the following:
  • Restart your computer.
  • Open note pad and test your keyboard.
  • See if the keyboard functions properly.
  • Open MS word and test your keyboard.
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Tell me the results in Notepad and MS Word so that I can determine if it's the macro in MS Word that turns the INSERT and NUMPAD key off.

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  • Decide where the keyboard will be placed, whether it is on your desk or a table. Spend a little time experimenting with positions and placement to make sure your wrists and arms will be comfortable. You should consider ergonomics before you set up the keyboard to avoid repetitive motion injuries later on.
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  • Step 6 Plug the wireless receiver into a free USB portmag-glass_10x10.gif on your computer. If you don't have any ports remaining on your computer, you can use an external USB hub instead.
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