Lenovo G50-30 Unable to access BIOS settings after Windows recovery
Hi
I recently 'downgraded' a recently purchased Lenovo G50-30 with preinstalled Windows 8.1 to Windows 7 using a UEFI USB install on a GPT partition. I also updated the BIOS from A7CN40WW to the latest A7CN43WW and all was working fine. However, after performing a necessary restore of an system image created using the Windows 7 backup and restore tool, I am suddenly unable to access the BIOS settings, either with the novo button (I do get the menu to select BIOS) or with Fn +F2. All that happens is that I receive a blank screen with a static cursor in the upper left corner. I can however still access the boot menu Fn +F12. This is a particular pain as I obviousl can't select USB 3.0 in BIOS.
Any help here would be greatly appreciated.
OK, I managed to clear CMOS by disassembling and desoldering a leg off the the RTC battery but to no avail. The problem seems to be that BIOS a7cn43ww itself has somehow been corupted. In theory this should be able to be resolved by a reflash. The trouble here is there seems to be no way to reflash with a current or previous BIOS version, so I'll have to either wait for a newer version or someone may know better.
C'mon Lenovo support this simply isn't good enough. It's a brand new laptop and I'm considering returning it for a refund.
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