Hi
Thank you for posting on HP Forums, The issue that you have with this HP workstation Z240k is classified as a commercial product (business line).
Our Commercial Support Team does not provide assistance via this platform.
If you require immediate assistance, you will need to log a case with our Commercial Support Team.
Please click on this link: http://www8.hp.com/us/en/contact-hp/business-support.html for more details and support.
Let me know if you require further information and/or assistance.