Hi,
Please check the information below if connect computer to lcd right.
How To Connect Your Laptop To Your LCD TV The Right Way
https://www.reliancedigital.in/solutionbox/how-to-connect-your-laptop-to-your-lcd-tv-the-right-way/
A video about how to connect below:
https://www.youtube.com/watch?v=kuyPOTPPYSo
Also I consider if you need to reinstall your video card driver from manufacturer's official website.
Hope this helps and please help to accept as Answer if the response is useful.
Best Regards,
Carl
problem of connect lcd to my hp elitebook 8440p
Kamran Mujahid
1
Reputation point
greeting to you sir
I have problem to connect my hp EliteBook 8440p to lcd by VGA cable but screen give off/on repeats.
Windows for business | Windows Client for IT Pros | User experience | Other
28,659 questions
2 answers
Sort by: Most helpful
-
Carl Fan 6,881 Reputation points
2020-12-02T09:43:18.84+00:00 -
S.Sengupta 24,871 Reputation points MVP
2020-12-02T13:13:09.993+00:00 Check the VGA cable itself. Even if the connections are solid, you might want to unplug and re-plug them.