Question I am unable to access bios setup or boot windows because of grub error 22

[salvus]

I have legacy lenovo pc.I installed android x86 along with windows 10 in another partition.Along with it i also installed grub.But i accedently deleted the partition which android was installed and when i rebooted my pc,it only showed "GRUB loading error 22".I am not able to acces bios setup.my screen doesnt show option to press f12 or f2 to enter setup.I have win10 installation usb,but i cant boot from it.Is there any way i can boot to other os or access my bios settings?please help

 

[helpstar]

Which lenovo model is it? Could be F1 or F10 or "del" key or FN+ F2 as well to get into BIOS.
Eventually F8 can get you a boot menu

A DVD could be booting before hard drive or USB. Use a DVD install disk of windows or android/grub

remove the hard drive and try entering the BIOS