A very quick post today to tell you how to force an update to your Nexus 7 tablet if you have been checking for software updates unsuccessfully.
1. Stop the Google Services Framework application by choosing settings > Apps > All > Google Services Framework. Click “Force Stop” then “Clear Data”
2. Choose Settings > About Tablet > System Update.
It should say last checked 01/01/1970
3. Click “Check Now” and your update should start to load.
The download is 47mb and takes about 10 minutes to install. You will need to reboot the tablet to complete the installation.
Hope this helps!