Dear mahyar123
I am using the asus P5G41C-MLx …… I think the bios screen is the same
So …… you may try the following:
1. Go to ADVANCED
Onboard devices configuration
Onboard Lan boot rom ………………. Should be changed to (enabled)
2. Go to POWER
APM Configuration
Power on by PCI (E) device ………….. should be changed to (enabled)
When reboot ….. press F10 to configure ….. and follow the instructions
In case these words go right PLEASE……write your reply
Mohib