Please find the links given below might help you to fix your issue. Incase both does not work please check the warranty status and call HP Technical support and get the part repalced.
"I work for HP."
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04-03-2015 02:18 PM
Hi @carlos81 ,
Thank you for visiting our English HP Support Forum. We are only able to reply to posts written in English. To insure a quick response it would be advisable to post your question in English. The following links are here to assist you if you prefer to post in the following Language Forum.
Simplified Chinese: http://h30471.www3.hp.com/t5/community/communitypa