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Put in new motherboard because of lightning damage. Starts up but no display

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Hp all-in-one 20-F234
Microsoft Windows 8.1 (32-bit)

I put in a new motherboard because of lightning damage.  Now it starts up but no display.  It is a HP Pavillion Touch 20-f-234.   Any suggestions

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Are you driving the monitor from integrated video chip on the motherboard?  Or are you driving it from a separate video card?


If a separate card, and you have integrated video, the issue is probably that the BIOS defaults are set to use the integrated video chip, not a separate card.  If that is the case, connect the monitor to the motherboard, and if you then get a display, switch the BIOS to use the separate card.


Additionally, if there is a separate card and you are driving the monitor from it, it could also have been damaged and might not work anymore.  In that case, I would try the integrated video on the motherboard to see what happens.

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@Squirrel04 I understand your concern and I have brought your issue to the attention of an appropriate team within HP.

They will likely request information from you in order to look up your case details or product serial number.

Please look for a private message from an identified HP contact.


Additionally, keep in mind not to publicly post personal information (serial numbers and case details).

If you are unfamiliar with how the Community's private message capability works, you can learn about that here.


Thank you for visiting the HP Support Community.

I am an HP Employee

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