I have a customer with a laptop keyboard that got wet. Now the ~34QEDZC keys will not work, and the Z key is continually stuck. I have tried the drying out in the sun method mentioned in this forum with no success.
What I need now: How do I remove/replace this keyboard? I am a network engineer and electronics tech, so I am no stranger to intricate repairs. I just can't seem to figure out how this thing comes apart, and wanted to get a step by step how to for this model.
I have already found a replacement, but did not want to order it until I had the old one removed. Thanks in advance for the help.
IN addendum to the above post, the laptop model is an Acer Aspire 5570. The forum wouldn't allow that model for some reason. Probably I am just a noob. :)IN addendum to the above post, the laptop model is an Acer Aspire 5570. The forum wouldn't allow that model for some reason. Probably I am just a noob. :)
There are four screws that need to be removed, two under the battery (not the one closest to the edge of the Notebook), and two at the rear end at the hinges. The two at the hinges have a small cover over them held in place by adhesive, just lift them off with a sharp object. Removal of these screws now enables you to remove the cover between the keyboard and screen, also covering the hinges. Once this has been removed, there are two slides on the keyboard, one between the 'esc' and 'F1' keys, and one between the 'Ins' and 'Del' keys. Simply use a small flat blade screwdriver to slide each block towards the '1' and 'Backspace' keys respectively. The keyboard can now be lifted (carefully) and pulled away. To unclip the ribbon cable, carefully lift the clip over the ribbon cable - it is hinged. Replace the keyboard and reverse the procedure to fix it in place.
As you have done, and I would suggest to anyone with the same problem, just replace the keyboard. You can get them quite cheap and in used working condition from some of the online auction sites.
Most of the Acers laptops will have a couple of screws on the bottom that hold the keyboard in, possibly. Will also need to remove the hinge/power button cover between the keyboard and the lcd. Might have some screws holding it in from the bottom, might not, also check under the battery at the back for any hidden screws. It may simply pop off and on... then you'll possibly find two screws under that holding the keyboard in. Once the screws are out, simply lift it slightly to find where the ribbon cable plugs in. And gently lift the locking latch on the keyboard plug. The ribbon will then easily slide out. And simply do the reverse to install the new one, making sure to push that plug lock back down.
This is just a generic assumption, as I am not real real familiar with the 5570, but they are all alot alike. Also note, when removing the power button cover, just in case there may be a ribbon cable under it attatching it to the mainboard, if you pop it off, look under it before pulling it too far. Wouldn't want to rip a cable if there is one there.
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Dear Friend,
you have to disassemble your laptop for this
1 To disassemble carefully remove the keys with a small screwdriver and place in a
container. DO NOT use excessive force. Remove all the keys and place in a
separate container.
2 Clean the keyboard with cotton swabs lightly dampened (moisturized) with water.
Replace these often and be sure they are only slightly damp. If they are
too wet the excess water will contaminate the keyboard. Start cleaning. This will clean all water soluble contaminants like
Coca-Cola, coffee, and sugar residue. You must clean each and every key space, inside
and out, this is critical since this is where the key touches and moves.
Now wipe out full keyboard with paper napkins and then place your laptop
in sunlight (3-5 minutes depens on sun) to absorbe the moisture left on
the keys or keyboard.
Now assemble your keyboard again as it is earlier. (QWERTY format : for
that click a photograph and copy it to your desktop so that it will not
be a problem when assembling)
Its hard to get them working again properly, i had to replace 4 sticky keys finally. I found this company who sell laptop keyboard keys at a very good rate, and even have tutorial's on how to fix the keys , that makes it really easy ...
www.laptopkey.com
If this problem occurred recently you might still be able to save the keyboard. However, it is a painstaking method of popping out each of the keys that are not working and cleaning them off (preferably with some contact cleaner) and making sure that there is no corrosion trying to form due to the moisture. Be careful when prying up some keys as some keyboards (especially laptop keyboards) are hard to put back if you don't have the right tools or the know how. I suggest looking up keyboard removal techniques based on the brand of your keyboard/laptop.
Good luck...
Use alchohol to clean the key board so that it will absorb the excess moisture. If this is constantly happening that your key board becomes moist, icky wet ...usually means ur cooling fan is not working properly...could mean getting a new one.....suggest cleaning the fan to get out the dust and grime that builds up with the heat and dust.
Generally, that is indicative of a keyboard failure. check the keyboard in diags (Fn+Power Button) If those keys do not work in the diagnostic (Custom, Keyboard diags in Dell diagnostics) then replace the keyboard. <$50 on Ebay usually
If you don't want to buy a new keyboard, you can open your keyboard and leave it to dry for a couple of days. There's still some moisture in the keyboard that's why this is happening. As soon as all moisture has been removed from the keyboard, it should work fine. But there's no guarantee since the board might have short circuited already.
It could also be the logic board. Usually, there are weep / drainage holes in the bottom of the laptop. See if there's any traces of moisture there, and you'll know if it got wet or not.
Sounds like it could have been wet. You could try replacing the keyboard.
did you by chance have a drop of liquid drop ontot he keyboard...such localized keyboard failure usually indicated moisture has gotten tot he dielectric material...I would suggest to place your computer screen up, keyboard in direct sunlight for about an hour ....place a towel over the screen as not to damage it...and let the sun's radiant energy promote the moisture fromthe keyboard ,,,also do not turn machine on again until removed from sunlight, and allowed to cool for about 90 minutes...
IN addendum to the above post, the laptop model is an Acer Aspire 5570. The forum wouldn't allow that model for some reason. Probably I am just a noob. :)
Thanks for the quick reply. I will give it a try sometime this week. Many thanks.
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