Dell Precision M6800 Motherboard

Question

Hello,   < Private Express service code removed.TOS73>   My Laptop Dell Precision is not turning on. When I press the Power button the laptop powers up and I can hear the fan noise, then suddenly it turns off and battery indicator starts blinking, where as WIFI and HDD led stays on. I checked the in google for the possible problem and found in Dell website that  'the error was memory modules detected but encountered an error'    So I did things like  cleaning the RAM modules Re-seating the RAM modules, changing the location (tried all combination) Tried with new working RAM Resetting the BIOS disassemble all the parts, cleaned it and reassembled  But none of the above worked, but one thing I noticed is if I remove all RAM and powered on then the error changed to 'no memory modules detected'   I gave the laptop to one of the local service centers here. They tried to reflow the motherboard and Graphics card but that also did not work. Now they are saying to change the motherboard.   I have also looked at the compatible motherboards available,  I found two compatible motherboard lists, one is in stock and other is out of stock.    1.  Dell OEM Precision M6800 Laptop Motherboard (System Mainboard) for EDP LCD Screens - EDP Only -  98VVR 2.  Dell OEM Precision M6800 Laptop Motherboard (System Mainboard) for EDP LCD Screens - EDP Only -  GDMGC   But I am not sure of difference between the two. I have a concern that both are compatible for processor, Graphics Card and RAM I have or any one of it is compatible.   I have a configuration of   Intel i7 4810m, Nvidia Quadro K4100M, 8X2 GB Samsung 1600Mhz SODIMM RAM and   256 GB Hynix HDD   Your expertise is needed for me to proceed.  Please advise what to do

ppurushu · Answer

You expert comments or feedback is needed please .....

ppurushu · Answer

I reopened my laptop and cleaned it and fitted well .. but now the error is changed to HDD led bliking which means processor failure ... I don't understand what is happening .. please help

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