MAC address are invalid in both CMOS and Flash!

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   have this error at boos the problem is i cant continue to windows it just show splash screen then reboots,. my motherboard is 

G41M-VS3 rev2.00
i tried to flash bios with latest version but still got the error, tried the mac tool where you manually change it but get this message

"Bios check Nobrand model... False
Nowf=0, Nobrand=0
====LIST ALL PCI LAN DEVICES====
Bus:01 Dev:00 Fun:00 DidVid:20621969 Subdidvid:20621849 (Slot:0)
PciLanDevicecount=1
OnBoardLanDevicecount=1
====LIST ALL PCI LAN DEVICES====
DetectLanDevicecount=0
Unsupported!
MACU2 Return code:1

would a defective onboard lan create this problem? i was using a pci lancard with this motherboard,...

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Spencer Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 Jan 2021 Location: Philippines Status: Offline Points: 5	Post Options Post Reply Quote Spencer Report Post Thanks(0) Quote Reply Topic: MAC address are invalid in both CMOS and Flash! Posted: 05 Jan 2021 at 10:17am
	have this error at boos the problem is i cant continue to windows it just show splash screen then reboots,. my motherboard is G41M-VS3 rev2.00 i tried to flash bios with latest version but still got the error, tried the mac tool where you manually change it but get this message "Bios check Nobrand model... False Nowf=0, Nobrand=0 ====LIST ALL PCI LAN DEVICES==== Bus:01 Dev:00 Fun:00 DidVid:20621969 Subdidvid:20621849 (Slot:0) PciLanDevicecount=1 OnBoardLanDevicecount=1 ====LIST ALL PCI LAN DEVICES==== DetectLanDevicecount=0 Unsupported! MACU2 Return code:1 would a defective onboard lan create this problem? i was using a pci lancard with this motherboard,...