i have Intel Dg41rq Mother board for repairing .
No display while processor fan attached when i remove processor fan it display
and every thing work Fine but when i attach Processor Fan no display no beep just motherboar led on and fan running ,
in starting it was not working only led on and fan runs , then i installed bios from bios chip no fix then i installed bios again , then i check processor not heat up without fan then i fix this issue now it not display when i attached processor fan. without processor fan it works fine please i also check with other fans but its not fan issue fan work fine with other motherboard , please answer

No display while processor fan attached when i remove processor fan it display

in starting it was not working only led on and fan runs , then i installed bios from bios chip no fix then i installed bios again , then i check processor not heat up without fan then i fix this issue now it not display when i attached processor fan. without processor fan it works fine please i also check with other fans but its not fan issue fan work fine with other motherboard , please answer