Hi,
Since Windows 8.1 was just released for a couple of weeks, we'd better to wait for some compatible drivers and update packages for your game from manufacturers.
We can try to install drivers applied to Windows 7 in compatible mode for test. If it doesnt work, we have to wait for Dells update.
http://www.dell.com/support/drivers/uk/en/ukdhs1/Product/inspiron-14-n4030
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Thanks for your understandings.