Manufacturer: Lenovo Model: G505s Bios Revision: 83CN12WW(V1.01) Bios Type: Insyde Bios SLIC: Incomplete 2.1 (CB-01) Bios Link: No official bios update is provided till now. I need the marker utility. Should I upload bios backup & rw report?? SLPUTIL.exe & LERW92.exe isn't working on it.