Dell Dell Alienware 17 Dell VAS00 LA-9331P HM87

This ROM is not related to the system BIOS, what is the fault of the laptop?
Laptop is not switching on at all. I have +5VALW, +3VALW and +3VLP but there isn't +3V_PCH. It means I don't have voltage on pin 1 and 8 on UH14 too. I am using RT809H, but I can't programme IO KB9012 offline or as ISP. Gives me error. I tried a brand new IO IC which result is the same. No luck for programming it. I think I have bad IO or bad PCH chipset.
 
Hello,
i've LA-9331P 7 beeps, no lights, no fans, nothing only 7 beeps. All Bios chip flashed included EC, no change.
I've tried with Processor and MXM and Memory or without, is same Problem.
please help
 
Hello,
i've LA-9331P 7 beeps, no lights, no fans, nothing only 7 beeps. All Bios chip flashed included EC, no change.
I've tried with Processor and MXM and Memory or without, is same Problem.
please help
need check chip GPU
 

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