YougyZ, You should contact Dell France Support here. They will troubleshoot with you to ascertain if the issue is hardware or software.
Dear team support DELL, I have a problem with my Latitude E6510, i cant enter the OS and the BIOS is working very slowly. I think that the chipset is weakened, and maybe i must change the motherboard. I live in Montpellier, France. Where is the place for the service laptop DELL in Montpellier, France?Thank you for your help. Cheers, YougyZ 
How i can repair / replace the hardware of my laptop DELL Latitude E6510 
(chipset error)