I had the same issue and removing the battery connection solved the issue. Took me less then 5 minutes to do. Just remove the base cover and then disconnect the connector to the battery for about 10 seconds. Once plugged back in, it powered up and everything is normal again.   [IMAGE]
Has anyone else with a Inspiron 7506 2-in-1 Laptop had any issue's with it not turning back on for like a few days at a time, I took the PC out of the box on Christmas and it worked pretty well and still does when it actually turns on but the last couple weeks I noticed when I shut down my PC to give it a rest, when I go to turn it back on it won't turn for awhile, and I also notice the light on the side of the laptop that indicates your AC Adapter is charging the PC also doesn't light up when its like that and doesn't want to turn back on. But after putting two and two together I don't think the PC is actually turning off and I think its locking up in the Bios at the moment in which the PC gos blank and "Appears" to be off when it truly isn't off. I say this because after a day or two all of a sudden my Pc turns back on and works normal however the battery is completely drained which is telling me that the computer is still running even though it looks and acts like its completely turned off. The only reason I think its a bios issue is because my Pc under normal operating circumstances when it first boots ups the Charging indicator light on the side of the laptop turns off for a moment as its booting which is normal for alot of laptops actually, so like I said I think its freezing on the BIOS right when its supposed to be turning off and I have to wait for my battery to drain in order to turn on my computer. This is one reason I hate the fact that they make Laptop batteries non removable now a days, because this issue could probably be fixed by simply taking out the battery and restarting the PC, Dell might want to consider putting some kind of reset button on future Pcs if they plan on making their Laptop Batteries non removeable because it makes things more complicated if your PC has a motherboard glitch which happends sometimes with PCs. I also read on a forum that this might be caused by turning off the PC with the AC Adapter plugged in and coincidently everytime I have a random issue with restarting my computer it just so happends to be plugged into the AC Adapter. Dell sent me a replacement Adapter and its still having the issue sometimes so I think its some kind of Software issue sometimes updates screw your PC up and I'm thinking that's what going on because other than those issues I love the computer, but Dell needs to look into this if more customers are calling about a similar issue.
Inspiron 7506 2-in-1, won't turn on after normal shut down