Lenovo G50-70 Windows Boot Manager Missing from Bios Problem Solved

Hi Friends!
Last week I face a problem in my Lenovo G50-70 (Model : 23151) Laptop. My Windows Operating System doesn't boot from Hard Disk anymore. I tried to repair my windows using windows installation disc but it doesn't work. There was some problem in graphics chip-set. Due to which in legacy mode my laptop screen doesn't display anything during boot and bios but when I connect my laptop with HDMI & VGA port to external monitor it displays screen on monitor during legacy boot. UEFI boot shows screen on my laptop but doesn't display on external monitor. This was due to graphics problem in my laptop.

I tried to find and finally I got the solution of this problem. This is due to missing MBR (Master Boot Record) partition into my HARD DRIVE which records or stores information about windows boot files. In UEFI boot environment if windows boot manager is missing, not working or not displayed into bios settings, then you have to format your hard drive completely and reinstall windows with UEFI enabled USB Disc or DVD.

Go to your Bios setting and if you doesn't see this than you have to format your PC.





To solve this first backup all your important data from hard disk and delete all the partition on hard disk. Now when you select your hard disk after deleting all partition create new partitions and install windows. This will automatically create some partitions like MBR, System reserved and recovery. After successful installation you can check in bios settings on your laptop you will see windows boot manager with hard disk. Problem is solved.

Comment below for any help.

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