Question about Compaq Presario 2100T Notebook

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My keyboard doesn't work

My keyboard stopped working all of a sudden. Nothing was spilled on it, it wasn't hit by anything or anything like that. Sometimes it will have a key stuck usuall the l or Shift, but none actually work if you try to type.

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  • 84 Answers

Hello tdclaude,
Without being able to physically look at the laptop, it is very hard to determine the cause. Here is a good article concerning a dead laptop keyboard:

http://tech.yahoo.com/gd/dealing-with-a-dead-laptop-keyboard/153166


- Vincent

Posted on Nov 23, 2008

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Four keys in Belkin wireless keyboard are not working


If only specific keys are not working, something is obstructing those keys\' pickups which are located immediately beneath the keys. This is almost always caused by food debris or liquid spillage as dust doesn\'t provide particles big enough to cause issues.

If those four keys feel "funny" when being pressed, it\'s almost certainly a physical obstruction. If they feel "sticky" it\'s always a liquid spill. If you don\'t recall spilling anything over the keyboard, use a can of compressed air (found at office supply stores).



Turn the keyboard long side up, with the keys leaning slightly downward. Place the air nozzle close to the intersections of the keyboard, starting at one side and work your way to the other side, using short bursts of air. Repeat for every row of keys. Pay special attention to the four that do not currently work.

You\'ll probably see lots of junk fall out of the keyboard. That\'s good, if so--I would then retest the keyboard (no need to reboot the computer). That should fix it--if not, you may have to resort to pulling off the keys that don\'t work. The next possibility would be broken key hinges, but that\'s beyond the scope of this reply.



For liquids, cleaning is hit or miss. If left long enough, liquids will eat away at the circuits, or provide a short circuit and kill the component. Since only four keys are affected, I\'m really leaning towards food debris, but if you did spill a liquid, you can disassemble the keyboard and clean up any residue under and around the keys. Probably best to use rubbing alcohol and a q-tip for that--but if you\'re not comfortable taking stuff like this apart, it might be time for a new keyboard, or find a handy friend. Good luck!

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My spacebar doesn't always work


Spacebar has nothing to do with the motherboard. That has to do with the keyboard. Did you spill any liquid into the keyboard? Have you used a can of compressed air and tried blowing out the keyboard?
If you spilled a liquid into your keyboard on accident, that could be the problem. At that point, you will just have to replace the keyboard.
If you have not tried using a can of compressed air, give that a try because there could be some dust/dirt blocking the connection.
If the can of air does not solve your problem, your best bet is to purchase a new keyboard which is very cheap at any store.

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Spilled milk on Microsoft Wireless Multimedia Keyboard 1.1, turned it upside down to drain it out. Now it will not connect even after hitting reset on sensor and connect channel on keyboard. The Keyboard...


If all you did was drain it there's a bood chance that there is still residue that could be causing a short somewhere on the board. My personal suggestion is to remove the batteries, and then wash thoroughly underrunning water; then leave to dry out for at least a day preferably somewhere warm and dry. Once it's completely dry again replace the batteries and try again, if this doesn't work then there is likely permanent damage to your keyboard and you might want to get it checked out or get a replacement.

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1 Answer

My keyboard does not work but mouse does


Have you recently had any accidental spills on the keyboard? If not, how old is it... it could just have deteriorated contacts due to age, or possibly a manufactuer defect?

If its within a year old, contact Toshiba and send it in... it should be covered under warranty, as long as it wasn't a consumer accident... such as dropping it or spills.

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When I type on my laptop, the m and j won't work. nothing has been spilled on the keyboard - it just suddenly has a mind of its own. can you help?


The plastics below the keys are worn and can be replaced through Dell.com or Ebay will have listings for them

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try : start-control panel -mouse and keyboard, if nothing weird appear,try to reinstall the driver for the keyboard,you'll find it here:http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/modelContent.jsp?ct=DL&os=&category=&moid=1311513&rpn=PSMA0U&modelFilter=M105-S3002&selCategory=3&selFamily=1073768663&selModel=1311513%7CPSMA0U
If it doesn't work you will have to change the keyboard and hopfully, there is nothing wrong with the motherboard

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1 Answer

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The ornage switch denotes the multimedia hotkeys being activated. Turnig it off may have solved your problem.

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Could be that the connector from the keyboard to the mainboard is crooked. Try taking the keyboard off and wiggling the connector from the keyboard to the board so that it is a snugger fit.

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