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Windows 7: Replace keyboard after spill

20 Feb 2017   #1

home premium 64 bit
Replace keyboard after spill

Keyboard was damaged by spill while computer was off. Now it will not type computer password. keyboard model is KB US9451

have ordered another keyboard, a Logitech K120, but it occurred to me after ordering that if the machine is not booted, it might not be able to install the thing.

Must I replace the keyboard with another of the exact same model? Or will the Logitech K120 work?

My System SpecsSystem Spec
20 Feb 2017   #2
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot

The Logitech K120 will work fine. You don't have to replace the other keyboard with the same model.

When you plug the keyboard in and boot up, Windows will load a default keyboard driver, allowing you to type. After you boot and get into Windows, you can download the appropriate drivers from Logitech and install them if you want to. You'll need to do this is the K120 has any programmable hotkeys, otherwise Windows will just download the appropriate driver for you from Windows Update.
My System SpecsSystem Spec
20 Feb 2017   #3

home premium 64 bit

My System SpecsSystem Spec

20 Feb 2017   #4
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot

You're welcome.
My System SpecsSystem Spec
20 Feb 2017   #5

win 8 32 bit

Put the keyboard in a washing up bowl with warm soapy water and washing up liquid and wash it then put on radiator to dry may take a week but it will then work used to do this at work every week no harm done
My System SpecsSystem Spec
21 Feb 2017   #6

Windows 7 HP 64

What did you spill on the keyboard?
You have nothing to loose on trying to clean it.
I've done it many times.

I'm supposing is a membrane keyboard.

-Take the keyboard from the computer, turn it upside down and remove all screws.
- Put it upside up.
- Take the front cover off.
- You going to see a kind of silicon membrane with the buttons on it.
- Remove it carefully.
- Underneath there are 3 plastic membranes with the circuit on 1 and 3.

Now, if the spill glue is only on the silicon membrane, just leave it (and the front cover) on clean water for some hours.
Then wash the front cover with water and soap. You can also gently wash the silicon membrane.
Take the soap off with running water and hang them to dry. After one day you can use a warm hair dryer on them.

If the the spill glue is also on the plastic membranes:
- Mark the plastic membranes with a permanent soft pen as 1, 2, and 3 (same order you see them)
- On the right up side there is a circuit board with a connector where the membranes are inserted in.
- On the connector there is a locking device ( a little plastic stick). Pull it gently till it releases the membranes.
- Once the membranes are released, you can take the circuit board from the back cover.
- Wash the plastic cover and the membranes the same way.

Once all parts are dry, you can assemble them back:
- Attach the circuit boar to the back plane.
- Put the plastic membranes (3-2-1). There are guide pins. Insert them into the connector and push the locking stick.
- Put over the silicon membrane.
- Put over all the front cover.

Now there is a tricky part.
Once you have the front cover on, you have to turn it upside down, and put on the screws without pressing the keys.
You can ask for someone to hold the keyboard by the edges on use one book at each side to lean on.
My System SpecsSystem Spec

 Replace keyboard after spill

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