Computer: Dell XPS L401X
Where: 3119 Sheppard Ave. E. Toronto, ON M1T3J7
Problem: Short circuit on the button board going to motherboard.
Touchpad not working.
Caution: Always use proper grounding equipment like heel grounder and anti-static mat. If ESD protection is not available, then use a wrist band.
- Remove all screws from the bottom of laptop and store them is tagged and sorted container like an ice-cube tray.
- Use caution when replacing these screws, longer screw will go through the plastic on the other side and ruin your notebook.
- Always remove battery and power adapter, ensure no power source is used during opening and closing of the computer.
- As a precaution, use power adapter (no battery) when computer is put back together and before driving all screws in. This ensures nothing was missed and avoids need to re-open computer saving time and frustration.
- Don’t use a power gun as shown in the video. Power gun will damage your computer and requires a lot of control. Even lowest level of torque will drive screw right through.
- Don’t repeat the short circuit, once found, simply eliminate it. Repeating shorts can cause motherboard to take damage, potentially blowing a fuse – they are expensive to replace.
- Touchpad cable was loose, simply re-enforcing the connectors fixed it in our scenario. Your situation may be different.
This Dell Laptop came in for repair in our Toronto office, it had been dropped and ultimately caused problems where it would simply turn off with no warning and then would not turn back on. Our client decided to disable the problematic button board instead of replacing it because this board only provides extra buttons that are not mandatory for computer’s operation. Power button is on an individual board leaving us comfortable room to simply disable the rest of buttons.
If you get stuck or have any questions please feel free to call us at 416-223-2525 and we will gladly give tips. Better yet, bring the computer to us and we will repair it while you watch and learn – for a fee.