Lag in inspiron 15r special edition

achu krishnan Posts 1 Registration date Friday September 7, 2012 Status Member Last seen September 7, 2012 - Sep 7, 2012 at 10:13 AM

i one month back i took a inspiron 15r special edition, 1tb hdd , 2 gb graphics card , 8 gb ram . 2 day before today i have noticed some lag in my laptop.
when it lag it is making some stuck sound, it happens while watching movies , please tel me what to do?