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Ayax302
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When I boot my HP core 2 duo PC it is showing red light with 3 beeps and not showing the display..?

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HP core 2 duo

I changed the operating system from windows 10 to windows 7

 

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praveen196
HP Support Agent
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@Ayax302 Welcome to HP Community!

 

Please provide the correct product number.

 

Note: Please ensure the complete product name/number for a quicker response from the community, as we need to know what we are dealing with to provide an accurate solution: 

 

Click here for steps on finding the information we need!

 

Remember: Do not share any of your personal information such as serial, phone number, email ID, etc.

 

http://support.hp.com/us-en/document/c03754824

 

Keep us posted,

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Give us a virtual high-five by clicking the 'Thumbs Up' icon below, followed by clicking on the "Accept as solution" on this post, 


Have a great day!

 

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