Possible to connect an external monitor for laptop HP Pavilion dv4t-4200 CTO

I have a HP Pavilion dv4t-4200 CTO Entertainment Notebook PC model # A1M02AV and it has a VGA, one port that resembles a cable port phone/broadband and one that looks like a USB port, but indented on each side down. I can even connect an external monitor? How will I know if I have more than 1 video card? In addition to the usual USB/headphone ports, I have not all ports. He says that my drivers are up to date... but I don't know even what I'm looking for. Do I need to install something or buy some kind of adapter?

I'm trying to connect an external Dell montitor via the VGA port with a VGA cable. The monitor has power, but my laptop does not detect recognize them / it. However, when I plugged in the first time in, my laptop screen has shrunk in a square (vs the entire screen) so he acknowledged something... but nothing happened on the external monitor.

I tried to detect through my display settings, but I have accidentally changed some display setting until the reception desk shows only 1 monitor, but not selected my real laptop screen or something or changed to be Monitor 2 (even if there is no monitor 1), so when I plug the cable into my laptop suddenly my desktop disappears and it's just a white background screen - and I cannot access the screen of the computer settings or whatever whatever... when the cable is disconnected this setting seems to be normal, so I can not understand how to fix it.

Sorry, I don't know what I'm doing here - please help!

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Hello

All Dell monitors are equipped with CD for the drivers. Your laptop may not know the monitor without its driver, it will not install automatically. Please check:

Ringht click an empty space on the desktop,

Click Customize

Click on display

Click on change display settings

You can see the TWO laptop screen and external monitor in there, as shown in the following image:

For the test, I put my Dell monitor is my main screen. If I can't see 2 monitors, you need its driver first and then check the cable.

Kind regards.

Tags: Notebooks

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