我的机器现在一打开就是NVDIA Boot Agent 201.0462
Copight(c) 2001-2004 NVIDIA Corporation
Copight(c) 1997-2000 Inter Corporation
CLIENT MAC ADDR:00 14 85 2F 69 74 GUID:FFFFFFFF-FFFF-FFFF-FFFFFFFFFFFF
PXE-E53:NO boot filename received
PXE-MOF:Exiting NVIDIA Boot Agent.
DISK BOOT FAILURE,INSERT SYSTEM DISK AND PRESS ENTER  谁知道我的机器怎么了是那个件坏了吗