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Member Since: ‎08-12-2017
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Installed 2nd hard drive on ProBook 440 and BIOS does not find boot device 3F0

Product Name: ProBook 440 G3
Operating System: Microsoft Windows 7 (64-bit)


I bougth this ProBook 440 with a M.2 drive and Windows 7 installed. The other slot for 'regular' hard drive was free. When I install a ScanDisc SSD disc into the free slot, the BIOS does not see the Windows any more (it shows 3F0 BOOT DEVICE NOT FOUND).

In the boot order M.2 is first or second after USB, in both ways the OS Windows 7 on M.2 is not detected. Both drives are ok according to hardware check in BIOS.

What can I try?

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