Hello, My name is ***** ***** I'll be assisting you. I'm sorry you're having problems.
What you should do in this case is press the “mode” button” and the “enter” button at the same time. Then hit the power switch while keeping the other two engaged. Release power and continue pressing mode and enter for 10 seconds. Release and your Garmin should switch back on.
Please give that a shot and let me know how it works out.
If those steps do not work, then it sounds like the battery in the Garmin has failed and requires replacement. This is a very hard to come by piece (Garmin does not sell the replacement batteries anywhere), and the only source that I can find that deals with replacing the battery is at the link below in the UK:
If you need further assistance let me know. Also, please do click a 3-5 STAR rating for my efforts before you go. That is how I am credited for my efforts by the site. You can follow up any time as needed at no additional cost.
Do you need further assistance with this?
So what type of assistance are you looking for here today then would be my question? I pointed out that IF that did not work then you ned to have the battery replaced- that would be the apparent issue with the unit.
You didn't mention if you were looking to disassemble and repair the unit yourself, just posted a general question about the unit being dead and that you held the power button.
So, within the realm of what I can do from this side of a computer, can you tell me what type of help you would like with your Garmin please?