connot intall windows7

[Rahmad Saddalani]

hi guys, i have loptop LG i was intalled windows7 on it. but when i intall sever driver then authomatically restart. but now it shows on it realtek PCI Express...... before windows, then i'm trying to format it again but disk's connot intalled.... on the drives. can you please help me? .

 

[Rahmad Saddalani]

i mean my computer cannot access anymore to the windows area. it just show "realtek PCI Express Fast Ethernet Controller ..... boot ...." on black screen please help.