Showing posts with label on. Show all posts
Showing posts with label on. Show all posts

Thursday, July 17, 2014

How to repair broken touchpad connector on laptop motherboard

How to repair broken touchpad connector on laptop motherboard:
In this post I explain how to repair broken touchpad cable connector on laptop motherboard.
Let’s say you were fixing a laptop yourself and accidentally damaged the touchpad connector or any other similar connector. The problem is the touchpad connector soldered to the motherboard and it’s impossible to replace it with regular soldering tools. Also, these connectors are not sold separately which makes the replacement even more impossible.
Well, the connector is broken and cannot be replaced. Let’s try to repair it. We’ll do it using the same technique as for fixing the broken keyboard connector.
On the following picture you see a typical laptop touchpad connector. The connector has а white base (permanently attached to the motherboard) and locking tab (moving part).
In order to unlock the connector you lift up the left side of the locking tab. The locking tap opens up at a 90 degree angle and releases the touchpad cable. After that you pull the cable from the connector.
Touchpad connector

On the following picture you see a broken touchpad connector. I wasn’t careful enough and separated the locking tab from the connector base.
Unfortunately there is no way to attached broken tab back to the base.
Locking tab separated from connector base

Here’s how I fixed the broken connector.

Insert the touchpad cable back into the connector. The touchpad cable has contacts on the bottom side – the side which is facing the motherboard.
In order to work properly the cable contacts have to touch contacts inside the connector but it’s not happening when the locking tab is missing.
Insert touchpad cable
Find a small piece of plastic. It has to fit inside the connector and be thick enough to fit tightly between the four metal hinges and touchpad cable.
Insert this piece of plastic into the connector. At the same time make sure the touchpad cable also inserted into the connector.
Insert a piece of plastic
On the following picture you see the touchpad cable seated tightly inside the connector.
The piece of plastic applies pressure on the touchpad cable and it makes good connection with contacts inside the connector. The touchpad works again!
Now you can secure the connection with sticky electrical tape.
This simple trick fixed my touchpad.

Here’s another type of touchpad connector.

The locking tab is broken and also separated from the connector base.
Locking tab broken
Position the broken tab the way it was plugged in before but do not push it into the connector yet.
Insert tab into connector
Now insert the touchpad cable. In most cases it goes under the locking tab.
Push the cable all the way into the connector.
Insert touchpad cable
While holding the cable, push the locking tab into the connector.
Even though the locking tab is broken, it should secure the tochpad cable.
Again, apply some sticky electrical tape over the connection to secure it.
Touchpad connection fixed
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Sunday, July 13, 2014

How To Reset Remove Clear or Reveal CMOS BIOS Security Password on Laptop

There may be many ways that we can use to reset the BIOS password, the following is just a simple way to reset the BIOS password, you can try it without having to dissemble the laptop:

1. When computer boot, press F1, F2 or Del to enter BIOS Setup
2. You will be prompted to enter password, just try to enter any password twice. If you have entered the wrong password the the computer will display 5 to 8 character code, as shown in the picture below:


3. Write down the code and click here to download the program for password reset
4. Run the program youve downloaded and then type the code that you noted earlier, for more details see the image instruction below


5. Try one of the codes that have been got from the resetter above to your locked laptop
6. If the steps above do not work on your laptop, you may need to disassemble the laptop and unplug the BIOS battery to reset password manually

good luck, I hope this short tutorial useful..

Additional
resetter above only apply to "Phoenix BIOS", to download other BIOS resetter click here
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