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Windows 7 Does Not Output to HDMI

I installed Windows 7 to my desktop and laptop and neither one will output to the plasm on the HDMI.  I have all updates for Windows 7 as well as the latest Windows 7 drivers for the graphic card.

The laptop is an HP Pavilion dv6772nr Entertainment Notebook with an NVIDIA GeForce 8400M GS video card.

The desktop is one I build running on an Intel Pentium 4 2.66 GHz chip and has an ATI Radeon HD 2400 Series video card.
Answer
Answer

Hi Biz2risky,

 

Welcome to Microsoft Answers CommunityForum!

 

In order to fix your issue, first you need to check if the laptop and computer has HDMI out port?

 

Step1
Choose the connection for video output. If your computer has an HDMI port, otherwise, you will need to make a few decisions. If your computer has only a single video output, and it will not be used solely with the television, you may want to invest in a new video card. Purchase one with either a DVI or an HDMI output, and install it in an available slot, according the instructions included with it. If you intend to use the VGA output on a single-output or dual-output card to drive the HDMI display, then a special device will be needed to convert between the formats, and the price of the converter is actually about the same price as an entry-level video card that will be easier to use with your TV. In that case, it may be a wise idea to upgrade the card in order to obtain a DVI or HDMI port. However, if your chosen output port is of the DVI variety, an inexpensive DVI to HDMI cable can be purchased to convert your computer's output into the proper HDMI input for your TV.

 

Step 2

Connect the HDMI cable from your television to your computer. Install the correct adapter or converter for your computer, if necessary. Unless your computer has HDMI output, cords will also need to be connected from the sound card output to the HDMI video cable or adapter, because HDMI carries both video and audio signals.

 

Step 3

1.    1.      Boot your PC, and configure the new display,
2.  Go to "Control Panel" from the "Start" Menu.
3.    Double-click the "Display" icon and click the "Settings" tab.

The manual for your HDMI TV will list the screen resolutions it supports, along with the refresh rates.
 
Configure the resolution in the "Settings" tab, and then click the "Advanced" button to set the refresh rate.
If you are using the HDMI TV as the second monitor, you will also have to configure how it is used by Windows, according to the instructions pertaining to your video card. Most cards offer a "Clone" or "Mirror" mode, where both screens display the same content. Alternately, the "Extended Desktop" mode can be used, in which each monitor will operate independently.

 

Step 4

Reboot your computer to apply the changes, if necessary.

 


Hope this helps in resolving your issue!

 

 


Thanks & Regards,

Supreeth - Microsoft Support.
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Rohit S

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Question Info

Last updated March 25, 2025 Views 133,233 Applies to: