When requesting assistance, please provide the complete model name and/or product number of the HP computer in question. HP/Compaq makes thousands of models of computers. Without this information it may be difficult or impossible to assist you in resolving the issue.
The above requested information can be found on the side, back, or bottom of your computer. Please do not include your serial number.
Consider DISABLING "Secure Boot" and ENABLING "Legacy Support" in the BIOS. Please see "HP PCs - Secure Boot (Windows 8)" for information about "Secure Boot", and how to enable/disable both "Secure Boot" and "Legacy Support".
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