The Emerson LC320EM1F has an HDMI connector (HDMI 1) that can be connected to a computer with an HDMI out or a DVI out. With a DVI connection, you will need a ferrite core on the HDMI cable. You can use a DVI to HDMI cable or a DVI to HDMI adapter with the appropriate cable. You will also need a 3.5 mm to RCA (M/M) audio cable (or the adapters and cables) if you want to use the TV speakers. If you have only a VGA output on the computer, you will need an analog to digital converter (like this:
http://www.startech.com/AV/Converters/Video/VGA-HD-with-Audio-to-HDMI-Format-Converter~VGAHD2HDMI ).
You can find the manual for this TV including the connections here:
http://www.emersonaudiovideo.com/support/download.php . Enter your model number and then the list of manuals will appear. The connection to computer diagrams is on page 13.
Once you have your cables (you will get the best prices from an online shop), turn off both the computer and the TV. Connect the cables then turn on the TV and set it the HDMI 1 input. (Use the Source button on the remote. You can also press CH Up repeatedly.) Then turn on the computer. If your computer has a recent version of Windows, it should see the TV automatically if the port is active on the computer. For a laptop, you will need to change the display settings to use the TV monitor. Right click on the desktop (anywhere there are no icons or programs), find the Display properties option. Set the monitor option to use the second screen (extended or monitor only). Click Apply and confirm the setting on the pop-up. (These are Win7 directions; other OS versions will be similar.) For a desktop, you may need to go to the Screen Resolution option after right-clicking. (This is a shortcut to the Control Panel Display settings window. Thus you can also click Start > Control Panel > Display to get to the right area.)
Some machines may need the port enabled in the BIOS first. This applies more often to older laptops or those with a power-saving option that turned off unused ports. You will need to enable the port with a different monitor active before connecting to the TV. Accessing the BIOS varies but usually involves pressing Esc, F1, F2 or F10 repeatedly after you turn on the computer. I often miss the timing; just turn off the computer and try again if the OS loads or the log-in screen appears.
If you get an unknown mode message on the TV, the previous monitor may have used a refresh rate and resolution that the TV can't understand or the TV was turned on after the computer was turned on. If it's the second case, press CTRL-ALT-DEL twice or turn off the computer (you will see a warning that Windows was improperly shut down). Then turn on the computer. If you have the first issue, go to the previous monitor and use the Screen Resolution directions above. Set the refresh rate to 60 Hz. Set the resolution to 640 x 480, 800 x 600, 1024 x 768, 1280 x 768 or 1380 x 768. (The options will be limited to those that are compatible with this monitor.)
I hope this helps.
Cindy Wells
(Note only HDMI 1 supports a computer signal; the other ports will not understand the computer's video output.)
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