Reset BIOS default following the following procedure (
'''works for [[SBC Product Line: fitlet2-HBPN| SBC revisions 1.2]] only):
#Unplug power cable from the fitlet2
9. Plug power cable (should be automatically turned on)
* '''If the fitlet2's SBC Revision is 1.1, skip step 9 above and expand the below:'''
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carefully unplug the RTC Battery from the 2pin connector.
#Plug power cable (should turn on automatically)
#Continue steps for revision 1.1 (RTC battery had to be disconnected):
##Shutdown the PC
##Unplug the power cable
##Plug the RTC Battery back in
##Plug Power cable
At this stage the BIOS settings should be reset to defaults.