I strongly recommend you to get in touch with HP authorized service centers for further assistance
Click the below link to get started
http://www8.hp.com/us/en/store-finder/find.do?bs=SR4&type=authorized
Note: Current location is set to USA, you may change it as per your convenience
Hope this helps, for any further queries reply to the post and feel free to join us again
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Thank You,
K N R K
Although I am an HP employee, I am speaking for myself and not for HP
I am an HP Employee