I was installing updates on my laptop. Accidentally I unplugged power supply. Unfortunately battery was not connected.when I tried to switch on my pc, it starts upto few steps (bios setup option) then displays error message and gives 3 starting options. 1- start in safe mode ,2-start in last known good configuration,3-start normally but following any of these options lead to an error message that displayes for a sec and again repeats those three options everytime. Is there any way you could help me with this please?
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The error message would be extremly helpful. If it flashes quickly, try to get a few letters at a time and write them down and then post the error.
What were you updating?
hardware
prices 
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