I get this message:
Dear Ubuntu user, your current Hardware Enablement Stack (HWE) is going out of support on 2015-04-30. After this date, security updates for critical parts of your system will no longer be available. We recommend you upgrade your system. If you experience any issue after this upgrade, please post a message on askubuntu.com using the tag 'oem' (you can use this link: http://www.askubuntu.com/questions/ask?tags=oem).
Then how to support the hardware in my PC still supported? I use Ubuntu 12.04 OEM Pre-installed on HP Pavilion 14-n055tx. Thanks