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LogiTech MX5500 keyboard is dropping-out / loosing connection

I have been using this product for more than a year with no problem, after upgrading to a new desktop I have derided to keep the same logitech MX5500 keyboard and mouse, unfortunately keyboard is constantly loosing connection. I can confirm that all the drivers are up-to-date and to reduce interference from the computer I have an extension USB cable

Posted by Anonymous on


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The best cleaning solution I found in over 30 years of experience with computers is the shower head with hot water at full strenght. I always cleaned all my keyboards this way and I never had the slightest problem but don't forget to remove the batteries before in the case of a Wireless keyboard. The trick is to firmly shake the keyboard during cleaning and especially after cleaning after cleaning and let it dry during a couple of days with regular shaking to make sure to remove all the water droplets that could have remained caught. Two days of drying is madatory before to reinstall the batteries back into the keyboard in the case of a wireless keyboard or to plug it into your computer by the USB cable if you really want to make sure not to kill your keyboard or worst, your computer... This being said, I bet all I have that it has absolutely nothing bat all as concern the frequent keyboard disconnection problem. To tell you the truth, Logitech products are nothing but shitt and they don't take care of the sustainability of their products because their marketing strategy is to offer a very poor technical support combined with poorly designed products in order to force their customers to regularly change their hardware just to increase their sales because it is much more profitable for them to act that way than to sell trouble free durable products. In other words they don't want you to have a long pleasurable experience with their products because they prefer to sell you the same item several times during a given amount of time than to sell this item just once for the same duration and that's the reason why they make so many software updates to make sure that you will end up with an undetectable and unusable device soon or late...

Posted on Nov 12, 2014


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Posted on Jan 02, 2017

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SOURCE: Logitech Link for Marble Mouse Software Update 1-28-2008

Yes, its not just for the Marble Mouse, it will work with any Logitech device that uses the SetPoint software.

But thanks for that update, much appreciated


Posted on May 03, 2008

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SOURCE: hello expert

try cleaning it before you mess with any settings.

Your keyboard or number pad may collect dust and other deposits from regular use. Occasional maintenance helps keep the device looking clean and functioning properly.
WARNING: Before cleaning any electrical device or equipment, ALWAYS remove the device from its power source.


  • For cordless keyboards or number pads, remove all batteries before cleaning.
  • For the diNovo Edge (a rechargeable keyboard with a built-in, non-removable battery), or any other similar device, switch the keyboard OFF before cleaning.
  • For corded keyboards or number pads, shut down your computer and disconnect the keyboard from the computer before cleaning.
Keyboard and number pad cleaning suggestions:
  • Use compressed air to blow dust and other debris from between the keys. Logitech suggests using an air duster squeeze bulb specially made for keyboard cleaning to limit the force of the air pressure.
    NOTE: Avoid using high pressure air hoses and nozzles. Excess air pressure can remove keys or cause other damage to your device.
  • Use a small tipped vacuum cleaner to remove dust and other debris from between the keys. Logitech suggests the use of a small tipped vacuum cleaner specially made for keyboard cleaning. Many come with USB power cords and can run off your PC or laptop.
    NOTE: Avoid using vacuum cleaners other than the type previously described. An excess vacuum level and/or large vacuum tip can remove keys or cause other damage to your device.
  • Use a dry, lint-free, non-abrasive micro-fiber cloth to gently wipe clean the surface of your device. Logitech suggests using cloths which are specially made for keyboard cleaning.
    Note: Avoid using dusted disinfectant cloths or cloths dampened with liquids unless specifically designed for keyboard cleaning. Many cleaning solvents, chemicals, and other liquids can cause electrical and/or material damage your device. This includes leftover residues which can eventually damage your device over time.
Additional information:
Many consumer electronics stores and online re sellers offer third-party computer cleaning kits which include dry wipes, swabs, air duster bulbs, and micro-fiber cleaning cloths. Some higher-end cleaning kits come with keyboard vacuum cleaners, and/or product-safe disinfecting liquid for dampening wipes, for use in disinfecting the surface of the device. These liquid disinfectants are supposed to be non-conductive electically; quickly evaporate from the sevice and leave no residue. Logitech suggests you make sure these characteristics are plainly stated and guaranteed on the product package. These specially made keyboard cleaning kits are highly recommended.
  • DO NOT pour any liquids onto the device.
  • DO NOT submerge the device in any liquids.
  • DO NOT use a dishwasher, ultra-sound cleaner, or any other washing machine to clean your device.
  • DO NOT remove keys from the device.
  • DO NOT use cleaning solvents. Many cleaning solvents contain caustic chemicals which may cause damage your device.
  • DO NOT use drying machines, fireplaces or ovens (even set at lowest temperature) to dry moisture from your device.
Removing keys; submerging or pouring liquids on your device; using washing machines; exposing your device to excessive heat; or using caustic cleaning solvents may cause permanent damage to your device and will void the warranty.

Posted on Feb 27, 2009

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Your mouse has a sleep function, but will (should) wake up just by moving it, and tapping it against the mousepad should NOT be necessary. It is VERY recilliant, and will take a lot of abuse, dso no harm is done from the tapping.

As your keyboard is also behaving strange, I would first take a look at the USB BT reciever. Is it mounted in one of the rear USB ports on your PC? If yes, try to use an USB extender, in order to get it a bit away from the PC and it's "electric radiation". This alone works wonders for both mose and keybd. If you do not have an extender, try the front USB port if one is available, or buy an extender.

If however, your keyboard continues to act up with the reciever away from the PC, both mouse and keyb must be faulty (very unlikely), and should be returned for warranty repair.

Oh my god.. I just saw the date of your question.. what a wast of time. I am sure you got it solved long ago.


Posted on Apr 24, 2009

  • 1 Answer

SOURCE: how do you disable the HP info center pop up

I had a user with the same problem using a Microsoft wireless keyboard and mouse. This is a similar setup to most Logitech wireless desktop kits, there is one wireless receiver for both devices and it has a USB connector as well as a normally unused PS/2 (it comes with an adapter for the USB so you can use this on an old computer without USB). The user went on a trip and another "helpful" user that was in his office noticed the wireless receiver's PS/2 cable unplugged and decided to plug it in for him. I'm actually amazed that it worked as well as it did but Windows didn't recognize the keyboard correctly (103 key keyboard?). All I did to solve this problem was to unplug the PS/2 conector and load the correct software for the keyboard. I also put tape and a note on the unneeded connector to prevent this from happening again.

Posted on Jun 24, 2009

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