shonali wrote:My probook 4440s is not working only the power button blinks nothing works plz help asap
Hello,
Thank you for posting in the HP Support forum!
I am sorry about the issue you experience.
Please, have a look at these instructions:
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02191455&cc=bg&dlc=en&lc=en
and follow them.
If nothing in them helps, please bring your machine to HP Authorized Service Center who can support and fix the issue. If you don't know the location of such center, please contact HP support agent ask about the nearest one:
http://www8.hp.com/us/en/contact-hp/ww-contact-us.html
Please, do not hesitate to post again if you need further assistance!