Hi,
If the power button light is blinking yellow . Generally it means the problem is with the power supply and needs to be replaced . If after replacing the power supply the problem is not solved it would be the motherboard failure.
If the power light is blinking amber -
The
computer is receiving electrical power, but an internal power problem
might exist.
To know more on how to troubleshoot the system visit the following link
Dell support site link
Thank you for using Fixya
Proton
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