Mine did the same same thing, on the same day.  I only have had it for a month so I was sending it back to where I purchased it.  Just before I sealed the box I thought I would try it again. THe buttons came on but the battery was dead. I charged and it is working fine now.  I read that the Streak doesn't do well when the battery totally runs out. Who knows? its the strangest thing.

I just faced the same thing. I bought my Dell Streak 7' just 3 days back and was using well. All of a sudden, it went dark and now tablet is dead. I am sure it is not a battery discharge issue as I had charged it this morning was showing ~50% sometime back. I am amazed to see this. Any help? Or, I would consider returning this product ASAP.

I have the streak for 3days and it happend to me today.  it turn off by itself and won't turn back on.  I call the support line the rep told me to open the sd card slot and use a pin to press on the little hole to reset.  then press the power bottom.  its back on.  However, my email will not syn.  I will have to call them again.

Same happened to mine last night, I got it from BestBuy 3 days ago, I left it on charge and when I woke up the lights were working again.

I hope this is a minor problem.

I saw several folks reporting the same issue. Then there is a youtube video with someone complaining about this hardware failure and many people discussing below that. People were expecting a recall from Dell but instead company decided to discontinue this product.

I did a mistake of buying this product as it was available very cheap. Finally I returned it yesterday to Best Buy. Sorry for other people who are facing this issue and wish them luck with the product.

Mine have it for 2 days. I reseted it many times but still have the same problem. need help !!!

I've had the same problem about 3 times about every 3-4 weeks.  Eventually it comes back... usually within a few hours but last time was a couple days.  Putting it on a charger does nothing (no charging indicator or anything) -- then all of a sudden it just comes back...

I think this might be software related with the Android OS, it seems to happen only in powersave, and any of you had battery saver app?

I never downloaded a specific app called 'battery saver app' -- unless it's just the OS power maintenance feature (e.g., setting screen timeouts, etc.) which I am using.

Sorry I meant A battery saving app (there are many), I too am having this problem so I decided to delete the batt saving app I had and it reduced the shutdowns quite a bit, now I get it only like once a week, I'm thinking that the OS power is lowering the power by too much and cause the device to turn off instead of stand by, Just a theory though.