Question Dell laptop 15 5570, bios sometimes does not detect m.2 pcie ssd

[colat]

Dell laptop 15 5570, bios sometimes does not detect m.2 pcie ssd. So I can not boot. Windows 10 is in m.2 pcie nme ssd. What should I do?

 

[rgd1101]

it is still under warranty?

 

[colat]

Laptop has no warranty. M.2 pcie nvme ssd has warranty.