Issue resolved on HP elitebook 8470p.
Thank you!!
Just a bit advice here, for this kind of issues in the future, maybe you can inform the customer support team and keep them updated on the progress of the engineering team? I have contacted the customer support and they suggested changing boot order, resetting bios, reinstalling OS, contacting HP (HP suggested me to do a disk check which would take hours, reinstalling OS and replace the SSD for a new one). After all this, my issue was still not solved and a lot of trouble was caused until I find this thread, then I told both customer support from intel and HP that I have identified the issue and I will just wait for the firmware update.