![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://i.redd.it/hi-my-lenovo-b40-80-wont-let-me-access-the-bios-ive-tried-v0-ftflp8ndpq8a1.jpg?width=3024&format=pjpg&auto=webp&s=9d4482771546a2de7470c4a9da1bcaf2d42795e5)
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
![boot - Lenovo Legion PXI-E61 Media Test Failure, Check Cable. Exiting PXE ROM. Then restarts and works fine - Ask Ubuntu boot - Lenovo Legion PXI-E61 Media Test Failure, Check Cable. Exiting PXE ROM. Then restarts and works fine - Ask Ubuntu](https://i.stack.imgur.com/oHsta.jpg)
boot - Lenovo Legion PXI-E61 Media Test Failure, Check Cable. Exiting PXE ROM. Then restarts and works fine - Ask Ubuntu
![Lenovo Y540, keep getting this error every 2 or 3 weeks, Default Boot Device Missing. After restarting, gives a BSOD "WHEA Uncorrectable Error" then after restarting again, everything is fine. Both SSD Lenovo Y540, keep getting this error every 2 or 3 weeks, Default Boot Device Missing. After restarting, gives a BSOD "WHEA Uncorrectable Error" then after restarting again, everything is fine. Both SSD](https://i.redd.it/fntlevabv4u51.jpg)
Lenovo Y540, keep getting this error every 2 or 3 weeks, Default Boot Device Missing. After restarting, gives a BSOD "WHEA Uncorrectable Error" then after restarting again, everything is fine. Both SSD
![How To Fix Checking Media Fail || laptop not booting, default boot device missing or boot failed - YouTube How To Fix Checking Media Fail || laptop not booting, default boot device missing or boot failed - YouTube](https://i.ytimg.com/vi/Jt9vGcImMYE/maxresdefault.jpg)
How To Fix Checking Media Fail || laptop not booting, default boot device missing or boot failed - YouTube
![checking media presense | media present | Lenovo thinkcenter neo 5 50t gen 3 pxe ipv4 boot disable - YouTube checking media presense | media present | Lenovo thinkcenter neo 5 50t gen 3 pxe ipv4 boot disable - YouTube](https://i.ytimg.com/vi/O2xY9cJqddw/sddefault.jpg)
checking media presense | media present | Lenovo thinkcenter neo 5 50t gen 3 pxe ipv4 boot disable - YouTube
![How to Fix Checking Media Fail on Windows Startup | Managed it services, Lenovo computer, Network infrastructure How to Fix Checking Media Fail on Windows Startup | Managed it services, Lenovo computer, Network infrastructure](https://i.pinimg.com/736x/f3/0e/0f/f30e0f707b14f9a15961c34140d30e85.jpg)