I also have a dead Nexus7 that won't charge and now won't start up. Luckily in warranty.

Singapore authorized service dealer micro2000 took 9 days to repair as they didn't have parts in stock and needed to order from asus.  I found all they replaced was the battery and wonder why an authorized service dealer wouldn't have such a common part in stock.

Anyway, the story doesn't end there. They returned it to me after 9 days with a new battery and 100% charge.


Unfortunately, the problem I took it in for wasn't resolved and within a day, I was back with a Nexus that doesn't charge and now won't start up.

It's back at the same authorized service dealer who assured me they will return it in 5 days if they have the part in stock. It's now 6 days. 

The device is great  - I swear by the nexus 7. Unfortunate, the support is terrible.