Question about Acer NSK8458AN Keyboard

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No keyboard = no startup ???

Hello everybody, I experienced an accident with my laptop (TM4670) as it get some liquid on the keyboard during a party. So, first move was to switch it off, dry all i could and see the damage. At fist, I had only problems with some types which doesn't work or some other continuously stucked. Up to this point, I thought a consciensous cleaning should do the trick and eventually its replacement. But by now, It do not even start up ! Depending on times it launches till bios screen appears, other times it makes three "beeps" or most of the time it just switch on (power light on, fan on, DVD player running) but nothing on the screen. I hope this is only due to the keyboard mulfunctionment. I'm about to change it myself, do you think it could be the only cause of all my troubles. (i.e can the keyboard problem prevent my laptop to start up normally, at least till bios screen). thanks for your help and experience return !

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Re: no keyboard = no startup ???

Hi Sir Its more likely that you may have got fluid on your hard drive if this is the case i would sagest that buy a new hard drive and have someone put it in for you if you are not capable of doing it yourself also whoever replaces your hard drive ask them to also check your memory sticks and other components for damage but i feel that you may get away with just a new hard drive but do not hold me to it Hope this helps Paddy

Posted on Sep 08, 2007

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When I type s i get sw .... when i type w i get s some keys do strange things..... changed the laptop keyboard same probem... used a external keyboard no problem how do I solve the issue


The computer must have experienced accidental liquid spill which caused grounded keyboard membrane. Have it checked by a technician or if ever your computer is still under warranty send it bac to the manufacturer and have it fixed. Obviously anyone here at Fixya! cannot disassemble your computer and fix hardware issue, if only we can be sent out I am more than happy to solve this for you. Thank you for using FixYa!

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Tea fell on the keyboard the second line of keys

No, it most probably cannot, keyboards are very inexpensive these days. They are all membrane keypads, underneath, and once liquid, get in between the layers, it is almost impossible to remove. A new KB is in order.

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I ave keys that are not workig and others that are not working at all. For instance 1234 789. haveing problems with other keys like th ety,fgh. Does anyone know what my probelem is ? email me at...


All the keys that are not working are all one area, which could unlikely be liquid spileage. You could try and rinse your keyboard out with some commercial alcohol, and pressing the keys constantly. If you do this make sure your battery is and power is disconnected. Leave for a while and then try again to see if keyboard works. Otherwise you will need to replace your laptop.


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A keyboard is nothing more than a collection of small switches under the keys. A liquid will short out between the contacts of the switches and is the same as hitting the key. There are still fluids inside they keyboard circuitry. By using it like this it can short out the keyboard and ruin it. It needs to be taken out and cleaned and dried throughly before it is ruined. (might already be ruined). You can usually find replacement keyboards on places like

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1 Answer

How do I physically replace the keyboard on my Acer Aspire 5920?

If the keyboard is malfunctioning due to factory fault, you can request a warranty repair from Acer depending on the status of the warranty.

If keys have fallen off or if the damage was caused by a liquid spill, the warranty option doesn't apply.

If you already have the keyboard, you should be able to find repair documentation on Acer's site.

There should be several screws on the back of the laptop. A few of them might have an icon near them that indicates the purpose of the screw. If you see any icons that resemble a keyboard, you should take those screws out. Then you will be able to take the keyboard out and replace it. Remember to be gentle during this process as the motherboard will be temporarily exposed.

Aug 08, 2009 | Acer NSK8458AN Keyboard

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My Keyboard's key jammed a bit, so I want to open it for cleaning.

It might be a loose ribbon cable. If you pull the keyboard up, you can reseat that cable and see if that helps

Please clean the Keyboard once in a month.

If the Laptop is under warranty, please contact the vendor either through Mobile or throgh Printer Hardware Engineer to setllt the issue at the earliest.

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Mar 18, 2009 | Sony VAIO VGP-WKB1 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.
  • 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.

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