Hi there I hope someone can help me with fixing this issiue

​​​​​​Symptoms

My Alienware x15 r2 stopped working, which is around 2years old.
​​​​​​ power light and keyboard turns on, power lights give 2red and 3 blue lights,
screen stays black

From dell error codes it says this is error [TABLE]
[TR]
[TD][B]2,3[/B][/TD]
[TD]No memory or Random-Access Memory (RAM) detected[/TD]
[/TR]
[/TABLE]
​
after disassembling and removing battery removing any electricity...