If not unplug it and remove the battery and do whatever else is required to clear the BIOS as per the instructions on the HP Web Site then undo what you've done replace the Battery and Mains Adaptor Power Up and when you get the error screen enter BIOS and set the Date & Time at the very least. Save the changes exit BIOS and then reboot. If you still do not get what you need enter BIOS again and change the settings to what you need rather than the Default Settings and then save the changes as you exit BIOS and let her go. You should then have what you want. If not and you did get the BIOS Update from HP you'll need to ring HP for a solution to the problem if one exists.

1. Change Serial Number Hp

Change Serial Number Hp

Oct 13, 2018  Knowing how to change a Windows serial number is vital when your computer is locked out from receiving essential Windows updates, which provide the security features necessary to safely maintain a connection to the internet. This article will cover the easiest method to change a Windows XP serial number. We have Adobe Creative Suite 4 Design Premium for Windows. Our computer that this was installed on crashed. I tried reinstalling with the discs and have an message saying the serial number is not valid. How to Change the Service Tag on a Dell Laptop by Mercedes T. Green When you replace the motherboard on your laptop, you will lose the asset and service tag entries, which are stored in your laptop's bios and in the Dell Utilities.