Troubleshooting
In this post I will summarize most common laptop hardware related problems and give some suggestions how to troubleshoot or repair them. Problem 1. Computer doesn’t turn on at all. When you plug the AC adapter into the laptop, there are … Continued
The screen started showing strange or wrong colors. What could be wrong? I’ve been asked this question many times and today I’m addressing the issue. In this post I explain some basic troubleshooting techniques in case if your screen started … Continued
In this post I explain how to troubleshoot battery charging problems. I will discuss most common failure examples and suggest some troubleshooting steps. Example 1. Laptop shuts off when AC adapter unplugged. When you move the cursor arrow over the … Continued
In this post I explain how I test the inverter board in a laptop. The inverter failure is very similar to the backlight lamp failure. In both cases the screen gets very dark and the image becomes very faint, barely … Continued
If you installed a new screen into the laptop and for some reason it doesn’t work, there may be a few things you could have done wrong. Lets figure out step-by-step how to troubleshoot and and fix the problem. First … Continued
In this post I’ll explain how to troubleshoot a dead laptop and find the problem. The following troubleshooting tips are not model and brand specific. Let’s take a look at different failure scenarios. Example 1. The computer is absolutely dead. … Continued
This laptop came for repair because of the LCD screen backlight failure. My customer complained that the laptop LCD screen is black but the laptop works with an external monitor. Here are my steps for troubleshooting this laptop with the … Continued
If your laptop does not start at all or it starts but will not boot properly, it’s possible that you can fix the laptop at home without taking it to a repair center. Here are some troubleshooting tips for you. … Continued
A few days ago I had to repair a notebook with symptoms that didn’t look like a hard drive failure at all. But the problem was fixed after I replace the hard drive. It was Toshiba Satellite A70-S249 notebook with … Continued
Here I’m going to post some laptop screen photos showing bad video output. I’ll explain what was wrong with the screen and how I fixed it. I plan to ad more examples as soon as I get new pictures. If … Continued