This Dell Alienware 15 r3 gaming laptop is about 7 years old and now shorts out the charger. When I opened the laptop, I found it caked with dirt and most likely died from overheating. 

Need Parts or Repair for your Dell or Alienware Laptop
We have specialized exclusively in Dell laptops since 2002 and stock more than 500k genuine OEM Dell laptop parts.
https://www.parts-people.com/

Dell Alienware 15 R3 Parts List
https://ppci.me/c/151/904

About me
I have been working on and repairing Dell laptops for more than 25 years, and in 2002, I started Parts-People.com, which is a company that specializes exclusively in Dell and Alienware laptops.  We buy out and stock all of Dell's laptop inventory, which Dell no longer stocks.  We now have more than 500K Dell genuine OEM parts in our warehouse and have become the number one place for Dell laptop owners. You can purchase parts to repair your own laptop or send it in and have me or one of our Dell experts service your machine. 

Here is the list of equipment that I use.
Chip Reader -- TL866-3G
Chip Reader Software -- Xgpro
Neo Hex Editor

Microscope -- Amscope SM-4T Trincocular(3.5x-90x zoom)
Microscope Camera -- Amscope MU1803

Ultrasonic cleaner -- Crest Ultrasonics P1200D

SMD Rework Station (Hot-Air) -- Atten ST-862D

Thermal Camera - Flir One Pro Thermal Imaging Camera
Thermal Camera - Seek Thermal Compact Thermal Camera