Question about Microsoft Natural Ergonomic 4000

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Water Damage I have managed to pour a very small amount of water into the number pad of the keyboard. The keyboard is now totally dry, including the inside as i have had a look, and removed the remains of last year?s lunches. Unfortunately some of the keys are no longer working and a few key presses register with wrong commands. Please see bellow: a = a A = a or a i.e. neither shift key works b = b c = c c actually is c + alt d = d e = er f = (space) g = g h = h i = i j = k = kl l = l; m = m n = n o = (show my favorites) p = p q = q r = er s = s t = t u = u v = v w = we x = y = y z = z Esc = (question) F1 to F12 = (Unknown F Lock locked on and Function Key doesn't work) Backspace = Return = Shift doesn't work as stated above Right Ctrl = # (Possibly + Ctrl) Right Alt = Alt Command Menu = (Question) Space = (Space) Left Alt = Alt Start = Start Left Ctrl = Ctrl Caps Lock = Caps Lock Tab = "F1" Numbers row ` = ` 1 = 1 2 = 2 3 = 4 = 4 5 = . 6 = 7 = 7 8 = 8 9 = 9 0 = - = - = = = Number Pad 1 = 12 2 = 1 3 = 4 = 45 5 = 4 6 = 7 = 78 8 = 7 9 = 0 = (Return) . = Enter = + = - = * = / = Num Lock = / + Num Lock Insert = Home = PageUp = PageDown = End = Delete = Only Right Arrow Key works Favorites Keys 2 4 & 5 works Volume up works Volume Mute works Web/Home = , Search = Search Mail = Mail Some of the double keys might be due to me dismantling the keyboard, but the contacts and the rubber '****' are back in the right place. Any one got any ideas i would be grateful. Would be a shame to throw away as it is a really nice keyboard. Regards

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  • TracyBrown Jan 05, 2009

    Is there anyplace to buy a replacement for the flexible plastic pathway? It is pretty easy to remove.



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I'm on my 4th Microsoft Ergo 4000 keyboard. All the previous 3 of them have been junked by none other than spilt water (not hot and not very cold), thanks to my 3 yr old daughter. I've tried taking the keyboard apart, blow drying and putting it back together. Doesn't seem to work. Junking seems the only option and I'm not pleased to say the least (now that they're at $70 at Best Buy)... I'm astounded that they are so succumbale to split water (leave alone other liquids)... A deliberate flaw to ensure repeat buys?

Posted on Feb 07, 2009

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A colleague spilt coffee on the left side of this exact keyboard. after going from not working at all and painstakingly cleaning and drying the internals I realized that, the liquid was hot enough to burn away the circuit path for 4 keys on the flexible plastic pathway, thus rendering the keyboard a total loss. I remember being able to basically hose out my DEC keyboards and hang them out to dry overnight, but even key by key care isn't good enough... cut your losses and replace it with new... It's still in production..

Posted on Dec 03, 2008

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Microsoft's keyboards are notoriously susceptible to this -- it seems like sneezing on them will damage them. I went through several of these keyboards, even attempting careful repair, before hanging it up. Not good news, I'm afraid -- I suggest Logitech products which my students can't even break.

Posted on May 28, 2008

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"Studies show that computer keyboards have more bacteria than toilet seats."

With that statement, who would want to touch a keyboard?

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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.
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  • DO NOT submerge the device in any liquids.
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  • 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.

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