please update all your drivers up to the most recent Windows7 drivers, check for driver issues in the Action Center, if there are any,
troubleshoot compatibility issues. Ensure that your Screen Resolution is set to 1024x768 or higher. Please get the most recent Bios from your manufacturer's site following the precautions given there.
For Metro apps to work, you first need an internet connection:
Then you need to have the following:
1) Your screen resolution needs to be at least 1024x768 for Metro Apps to work.
2) Next, if you have turned off User Account Control, your Metro apps will not work.
You can check if UAC is enabled here: Control Panel > User Accounts > Change User Account Control Settings
3) Try using a Local account instead of a Windows Live ID account.
If Metro Apps are still not working your other option
would be to Refresh your PC.
When you refresh your PC, your files and personalization settings won't change.
Your PC settings will be restored to their defaults.
Apps from Windows Store will be kept. All other apps will be removed.
Follow the steps below to restore your PC:
Enter the Start screen
Click Control Panel
Click General on the left column
Under the Refresh your PC without affecting your files, click
Get started
Then follow the instructions that will be displayed on the screen.
Once the refresh has finished, test to see if the Metro Apps are now working.