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Once Onboard Graphics Are Disabled, What If New Video Card is DOA?
I decided to upgrade to a separate video card in my HP p6710f PC with ATI Radeon HD 4200 onboard graphics. The card I purchased is an MSI Radeon R7 240. I installed the card and although the fan ran there was no video output. I don't know if the card is DOA or another problem. If I disable the onboard graphics in device manager or in the bios before installing the new card and the new card is in fact DOA, how can I ever regain output from the onboard graphics again for output to the monitor? It seems to me I would be dead in the water with a black screen and no way to do anything. If anyone can help and knows the answers to this problem it would be greatly appreciated!