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HP Recommended
ENVY dv7-7243cl
Microsoft Windows 10 (64-bit)

The firmware update proceeded as expected.  All programs were shut down.  Power plugged in.  Blue bar went all the way across.  It informed me that it would now reboot.  Screen went to shut-down type background and then black as it usually does when booting.  Then it doesn't boot.  Nothing on the screen.  Fan is runnning. Power light and amber light on the f12 key are on.  Left it sit that way for 10 minutes, just in case.  Won't respond to ctrl-alt-del or power button.  Had to hold down the power button to turn off.  Won't respond to any function keys held down during boot.

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