The Lenovo IdeaPad laptop does not start. We solve several problems at once!  

1.Lenovo Ideapad 100-14IBY (80MH) laptop does not start due to error:.
"Checking media Fail"
or
"default boot Device Missing or Boot Failed. Insert Recovery Media and Hit any Key Then Select "Boot Manager" to choose a new Boot Device or to Boot Recovery Media"
How to solve these and other errors.
2. And also: How to enable BIOS (bios or Boot menu) on this model and similar laptops.
3. Blue screen of death on Lenovo Ideapad laptop when installing windows or replacing the hard drive, the solution to the problem.
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