This is an AIO fix for issues where there is no physical damage, yet the unit won’t power on and the power indicator flashes in a series.
***Without Opening:***
# Unplug everything from the PC. Including the battery if applicable.
# Hold down the power button for 30 seconds.
# Release the power button and plug only the power cable back in.
# ***''If it boots, it’s all good and you can skip the rest of this.''***
# With only the power cable plugged in, hold down the power button for 30 seconds.
# ***''If the PC turns on after that great, you can skip the rest of this.''***
***With Opening:***
# Again, unplug everything and follow your manual instructions on disassembly.
# Disassemble until you find the BIOS or CMOS Battery. Then remove it.
# ***''If you cannot remove the battery, skip this step.''***
# Continue to disassemble until you find your RAM. Then remove it.
# ***''If you cannot remove the RAM, skip this step.''***
# Hold the power button for 30 seconds.
# Carefully reassemble in the reverse order, taking care when reinstalling the RAM and BIOS battery. Follow the manual!
# After it’s reassembled, plug the power cable back in and boot.
# ***''If, after all this, it’s not coming on, you may need to contact a professional.''***