One month ago, my inspiron 15r SE just got stuck and cant start up again, so i switch to legacy mode, boot and install a fresh copy of windows 8. Now, When i switch to UEFI on BIOS, Under UEFI suppose to be

Windows Boot Manager

UEFI IPv6

UEFI IPv4

but i only have ipv6 and ipv4. Where is my windows boot manager gone to? I can only start up my computer by UEFI secure mode disabled. Any Solutions for my situation?