HDMI not working on probook 4530s

I have installed windows 7 64bit on probook 4530s with all the latest drivers. The issue is when I connect a HDMI cable it does not detect. I have reinstalled the display drivers with no luck.

Please assist to enable HDMI connection on the laptop.
Sajjad LadhaIT TechnicianAsked:
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RaminTechnical AdvisorCommented:
Make sure you've downloaded the drivers from here:

Also Try Windows + P and then select Duplicate.

Don't forget to install chipset drivers.

Note: make sure to reboot your PC after uninstalling Display driver.
Mitul PrajapatiIT SupervisorCommented:
Have you tried probook work with other screen using same HDMI cable? If not, then it is the issue of chipset driver as said by RAMIN.  

If it is working with other screen using the same HDMI cable then, it could be the issue with compatibility.

I had the same issue with IBM laptop. Drivers were installed properly but doesn't project on company LCD screen. I was come up with compatible issue of IBM and LCD screen. I made a call to IBM and they said that either screen is not supporting this laptop or vice versa.

My IBM laptop is working with other screen but not with Sony LCD screen.

Good Luck.

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RaminTechnical AdvisorCommented:
In addition to the above please also try with another HDMI cable.
or test the cable on another pc
Sajjad LadhaIT TechnicianAuthor Commented:
Well thank you for your comments, it gave me a different perspective.

None of the solutions worked and issue was only with the driver, so I uninstalled the display driver and downloaded a new one using the hardware ID from driveridentifier.com and it worked.

Thank You all for your help.
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