Noise at opening Lenovo IdeaPad S10-3

When I open or close my Lenovo IdeaPad S10-3 a noise is produced in the hinges. Why is that noise produced?. and how to avoid it? Thanks in advance

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2944067:02crwdne2944067:0:

Need more info..cracking, squeaking?? Does it sound like a cooling fan is being interfered with??

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

Thanks for your attention, it´s a kind of squeaking in the top cover hinges. It sounds when you open or close it with the PC Off or On.

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0