Unable to connect to MBW White Light WD20000H1NC-00

Vadir wrote:

You may try plugging the power adapter to another outlet, directly to the wall.  You may also try a reset, by holding its reset  button for 20 seconds, this should not affect then data stored on it.

The drive has been plugged into at least 3 different outlets - actually 2 different outlets and a UPS.

I have been nervous about using the reset because I absolutely can’t afford to lose my files. When you say “should not affect” do you mean “WILL not affect” my data stored on the drive?