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Logitech wireless keyboard model number yrk49

Model yrk49
p/n 867318-0403
s/n btd4100 1216

will not function, changed batteries, reconnected wires, shut down.

says: ps keyboard not found

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  • Anonymous Mar 28, 2014

    Labtec wireless media keyboard

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  • 8,637 Answers

Normal 0 Normal 0 Press the Receiver button (and the lights will start flashing.
Then if the Keyboard isn't working, press the small RESET/CONNECT button on the back of the board to connect the keyboard to the receiver.

If the MOUSE isn’t working, push the small RESET/CONNECT button on the back of the mouse to connect to the receiver. Then they should work okay.
Hope this helps. Bud

Posted on Jan 21, 2009

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How do I change the battery in a logitech wireless battery. I can't seem to figure out how to open it to even see what kind of battery is needed.


For changing the batteries of logitech wireless.I guess a video tutorial will help you out rather than written instructions. Watch it to lean how to replace battery of the logitech cordless mouse ( Logitech MX 1000 Model). If you are having a different model please specify the details of your model.

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The wireless keyboard and mouse are not working.


  • Check to ensure that the wireless receiver is plugged into your computer. Press the "Connect" button on the bottom of the receiver to attempt reconnecting your mouse and keyboard to the computer. If your mouse and keyboard use Bluetooth, ensure that your computer's Bluetooth is active and detects the mouse and keyboard.
  • Check to see if the keyboard and mouse are turned on. If the power indicator lights on the keyboard and mouse are not green, press the "Power" button to turn the keyboard and mouse on.
  • Check the batteries of the mouse and keyboard. If the batteries are dead, replace them with fresh batteries and reconnect the mouse and keyboard to the computer by pressing the "Connect" button on the bottom of the wireless receiver attached to the computer. If your mouse and keyboard use rechargeable batteries, let the batteries recharge before using the device again.
  • Uninstall and reinstall your wireless keyboard and mouse drivers. Sometimes, the Logitech drivers are at fault for a bad connection. Use the Control Panel to uninstall the old drivers, then visit the Logitech website and install the latest drivers for your keyboard and mouse.
  • Search the Logitech Support Database. If your keyboard and mouse are still failing to function properly, visit the Logitech Support website and browse the support page for your product for specific solutions.

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theres a grey reset button on the upper left side on bck of keyboard... problem is i dont remember how to sync it to the reciever??? im having same problem lol

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I changed batteries and the mouse no longer works.


Don't know the make or model but there's usually a "Connect" button on the wireless mice and keyboards that reconnects the device to the IR receiver plugged in to your PC.

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The keyboard is not recognized by your PC. By the way, do you have the software installer for your keyboard.? Run the installer in your PC, and try again
if it now recognize the keyboard.

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The wireless logitech mouse was working properly until it has low battery, when I changed the battery, it doesn't work anymore. There's a light but it doesn't work.The battery that I used is newly charged....


You need to 'reconnect' it. You didn't specify the exact model of your wireless mouse, but most types have a special 'connect' button on the receiver-box of the wireless mouse or on the bottom-side of the mouse itself. Just press this 'connect' button and you should be fine ...

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The number key does not work even after changed the batteries. And the back space button and some of the keys don't work unless you push hard on them.


Look for dirt or grit under the keys, use a can of compressed air to clean out the keyboard. To use the number pad, you have to ensure that the NumLock button has been turned ON.

If the keys still dont seem to work, remove batteries and type randomly over keyboard for about 20secs. Now reinsert the batteries (ensure correct orientation), and reconnect the KB with dongle by pressing the connect button on dongle first and then on the KB. Make sure there is no source of interference nearby, such as speakers, powerful magnets, etc.

If the KB still does not function properly, uninstall and reinstall the software. Still wont function? KB is defective. Contact Logitech regarding an RMA if within the warranty period.

Cheers!
IrishDruid

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After changing the batteries and cleaning the corrosion out of the battery case, I pressed the connect button on the Logitech receiver, then the red restart button on the underside of the keyboard and it was fixed!

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Thanks! I fixed the problem by installing a USB mouse and using fn+f9. That unlocked the mouse so I could use the pointer leaving just the keyboard problem. I then tried reconnecting the wireless keyboard (by using the button on the receiver and under the keyboard) Hey Presto!!

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Unplug the USB (or PS/2) plug for a couple of seconds and reconnect them. That worked for me when this happened on my older Logitech keyboard.

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