![Hi, My lenovo b40-80 wont let me access the bios. Ive tried f1, f2, f12 etc and no luck. It wont boot off of a USB either. It just says checking media Hi, My lenovo b40-80 wont let me access the bios. Ive tried f1, f2, f12 etc and no luck. It wont boot off of a USB either. It just says checking media](https://preview.redd.it/hi-my-lenovo-b40-80-wont-let-me-access-the-bios-ive-tried-v0-ftflp8ndpq8a1.jpg?width=640&crop=smart&auto=webp&s=9a7c3fbeea3201a09e5c531b269ce2a85f9ddeab)
Hi, My lenovo b40-80 wont let me access the bios. Ive tried f1, f2, f12 etc and no luck. It wont boot off of a USB either. It just says checking media
![quot-Secure-Boot-Disabled-quot-message-when-attempting-to-dual - English Community - LENOVO COMMUNITY quot-Secure-Boot-Disabled-quot-message-when-attempting-to-dual - English Community - LENOVO COMMUNITY](https://forumscdn.lenovo.com/old_attach/146847i1E14DE613FB50FAB.jpg)
quot-Secure-Boot-Disabled-quot-message-when-attempting-to-dual - English Community - LENOVO COMMUNITY
![How to fix a windows laptop not booting, default boot device missing or boot failed, Lenovo Ideapad - YouTube How to fix a windows laptop not booting, default boot device missing or boot failed, Lenovo Ideapad - YouTube](https://i.ytimg.com/vi/m-eg3wGDFKQ/maxresdefault.jpg)
How to fix a windows laptop not booting, default boot device missing or boot failed, Lenovo Ideapad - YouTube
![Hi, My lenovo b40-80 wont let me access the bios. Ive tried f1, f2, f12 etc and no luck. It wont boot off of a USB either. It just says checking media Hi, My lenovo b40-80 wont let me access the bios. Ive tried f1, f2, f12 etc and no luck. It wont boot off of a USB either. It just says checking media](https://preview.redd.it/hi-my-lenovo-b40-80-wont-let-me-access-the-bios-ive-tried-v0-v9kso7ndpq8a1.jpg?width=640&crop=smart&auto=webp&s=b194b296e0ce5180262ae8c17d26945c13c5d6a5)