Hello everyone !

My name is Chris, I am a 30 years old embedded software developer working in the automotive industry. I am really passionate about learning new skills and repairing/crafting stuff. I came around this forum last week with the goal of repairing my faulty gaming laptop, indeed, I was video editing on it when suddenly a black screen popped and never disappeared I bought some stuff to try to repair it and learn as many things as possible about computer repairs but nothing worked so far. When the black screen appeared, my legion 5 pro was connected to my external monitor...

Hello everyone,

I am requesting assistance with a non-booting Lenovo ThinkPad X280 motherboard following an attempted BIOS modification to address a Supervisor Password.

Machine & Hardware Details:
- Brand & Full Model: Lenovo ThinkPad X280
- TYPE: 20KF-0036JP
- Serial Number (S/N): PC-136QM9 (19/03)
- Motherboard Model & Revision: EX280 NM-B521 Rev: 2.0 (2018-03-29)
- FRU: 01LX673
- WIN LIPC: P8L10M97572
- MAC Address: E86A64BEC74F
- CPU: Intel Core i5-8250U
- RAM: 8GB Soldered
- BIOS SPI Chip: Winbond...

Hello,

YouTube video of the problem encountered: https://youtube.com/shorts/q7TLNv36LUo

I am a pro and I have a problem that I have never seen despite my 7.5 years of experience on my own and my thousands of repairs, on a customer's Dell G3 15 3500.

On this PC I have already changed the complete palmrest because the keyboard was no longer working properly.

I also changed the screen because the PC fell and the screen was broken.

I changed the battery with a new and original battery.

I also had corrosion/oxidation on the...

Hi all !!

I have a Lenovo YOGA 2 PRO , laptops turns on but screen stays black, none of the 2 fans is spining,

motherboard is NM-A074 Rev 1.0

S/N; YB07570187 Model name; 20266

Please can anyone repair BIOS for me please...

Problem

This is an LG edge LED lit LCD Display. The LEDs are on the bottom edge of the display. There are 2 bars (left and right) Each bar has many LEDs and a 6 pin connector. Each pin drive several LEDs thus is the highest current flow / heat junction. The weak lead free solder gradually fails with thermal expansion/contraction cycling and increases resistance. PSU will compensate up to a point, then when the current is too high, PSU just shut down the backlight causing a dark display. I have even seen one which the connector just fell off as solder points became completely detached....