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I have a HP Envy h9-1420t. The upgraded video card fan stopped working. Trying to get the onboard video card to work. Pulled the covers off of the two DVI ports and tried both. No video.
What is the make and model of the video card that you are trying to use?
Review the below information.
Computer Does Not Start After Installing a Video Card (Windows 8,10)
The video ports on the back of the PC will be disabled by the BIOS when a video card is installed
I purchased a EVGA GeForce GT 610 to replace the card that came with the computer. It did not display anything on the monitor. Then I removed the covers off of the two DVI ports on the back of the computer. Neither of those worked.
I removed the Nvidia card from the computer before inserting a new card and trying onboard video.
I tried everything in the Secure Boot link that you sent me to. No luck.
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