Laptop Troubleshooting

 Laptop Troubleshooting for laptop keyboard repair, LCD repair, how to open laptop to fix spilled water on laptop HP Lenovo Dell Acer Pixelbook Asus and Apple.

Notebook repair blog - I created this website to share my laptop troubleshooting experience with others. This will guide you about laptop keyboard repair and laptop LCD repair , how to open notebook computer for troubleshooting and how to repair water spilled on laptop.

For laptop troubleshooting, there is different solution for different problem. So I have created individual post for each major problem. You can use this notebook repair stratagem for Lenova, HP Hewlett Packard, Dell, Google Pixelbook, Apple, Asus, Acer, MSI, Samsung and Microsoft laptop repairs.

Laptop keyboard repair :- 

There are many people looking for technical help about laptop keyboard repairing and how to replace notebook keyboard. How to fix laptop key problem as some keys are not working. Laptop keyboard is most roughly used component and I personally seen many laptop keyboard problem of HP, Dell, Microsoft, Google, Compaq Samsung. I created Laptop Keyboard Repair post to help you about this entire problem. You can repair laptop keyboard by yourself.

Laptop LCD repair: - 

Laptop LCD screen is the most delicate part, it folds and unfold many time. Also the LCD circuit that connect motherboard and laptop LCD screen is very movable. There are many problems like LCD display become dark, flickering of display or sometime you many need to replace laptop LCD. I explained everything in details about Laptop LCD Repair. It is not possible to explain about each type of laptop LCD fix like Toshiba, HP DELL Compaq etc. I explain LCD troubleshooting of one laptop. You can have idea about how to troubleshoot LCD problem. You can repair all laptops LCD using these methods.

How to open a notebook laptop: -

For laptop troubleshooting and notebook repairing, you may need to replace or repair many laptop parts. You may need to test different part for checking purpose. And for do it yourself notebook repair, you must know How to Open a Notebook and How to assemble notebook or disassemble laptop.

Laptop troubleshooting:-

There are many common laptop problem which you can troubleshoot at you own without any help from technical support. I covered few important issues and I am also planning to add few more laptop troubleshooting guide in future.

Spilled water on laptop: -

 Now a days laptop and mobile are very common. People use to work with laptop while watching TV or taking dinner or tea or water. It is the most common problem that by mistake you may spilled water on laptop keyboard or may spill water or tea on LCD of laptop. This water spilled on laptop may damage notebook. In this post I covered how to troubleshoot spilled water damage on laptop.

Laptop LCD Repair.

It is common problem that laptop LCD is not working. For Laptop LCD Repair and troubleshooting, first learn how to replace laptop LCD. In the course of laptop display troubleshooting below are the important hardware to rectify.

1)  VGA port. VGA full form is Video Graphics Array. It has normally 15 pin port.

2) Lid close switch.

3) screen Inverter board.

4) Backlight lamp.

5) Reed sensor or Hall sensor.

6) LCD display PCB Circuit board. Check all these component to repair laptop LCD. Hand on this methods make comfortable to troubleshoot laptop display screen.

7) Laptop graphics card.

8) LCD controller board.

Procedure for Laptop Display troubleshooting. 

Step 1.  Check whether video display card working properly or not. 

How to troubleshoot laptop display Card.

To check laptop display card is working, connect external monitor to the VGA port normally back side of laptop. If you get clear image that mean graphics video card is working properly and problem is with laptop LCD screen.

There are two possibility either LCD screen completely out of order or it may working but very very dull. Display screen is getting perfect data from video card but there is still problem with LCD and most probably problem with backlight lamp. Laptop LCD replacement is final option if display screen is completely out of order.

Step 2. From this you can guess that problem related to faulty inverter board, back light lamp or lid switch. Troubleshoot LCD inverter board, backlight and Lid switch one by one.

How to repair laptop display very dark or dim.

LID close switch is a small button which triggers sleep mode or hibernation when screen is closed. Lid switch located near LCD screen.Make sure the lid switch moves freely. If lid close switch is dirty then it might get stuck. It cut power from inverter board. Display inverter board works as power supply for backlight lamp. If there is no power, the backlight lamp will not light up and LCD display screen very very dark or dull.

How to repair LCD screen inverter board and backlight lamp.

Step 3. LID switch is working properly and it did not stuck. Then problem may be with inverter board or backlight lamp. Press lid button very fast and check LCD light up for sometime or not. If it light up then also check image is clear or pinkish or other color as shown in image(I mean image is crystal clear or not).

  Step 4. You get pinkish image that means inverter board working properly. But problem is with backlight lamp. To troubleshoot in details, you can check the laptop with another invertor board. With another inverter board laptop is not working properly. You can judge that problem is with backlight lamp. It conclude to replace backlight lamp with another backlight lamp and laptop will work properly.

How to replace laptop LCD screen.

Here is another post for Laptop Screen Troubleshooting for backlight failure. Combine two post will guide you about how to replace laptop LCD. Find detail steps for screen replacement on my web page about how to assemble and disassemble laptop. LCD screen replacement, first disassemble display screen and then assemble it with new LCD.