How to Setup Your TV as a Computer Monitor

Updated on December 5, 2017
easylearningweb profile image

Amelia has over 25 yrs of experience in the IT, Training and Education, and eLearning industry.


Want to save space in your home office? Or, like me, if you like to multi-task, would you like to have the convenience of switching from TV to computer by pressing one button?

Well, it’s easier than you think.

I was recently in the market for a new flat panel monitor to replace my old large monitor for my secondary computer. I wondered if I could buy a flat panel TV around the same size and use the TV as a computer monitor. This would save me money and at the same time, save me space. I was thinking of adding a small TV to my home office anyway to catch the news or my favorite TV show once in a while, but other than mounting it on the wall, I didn’t really have a place for it. So I decided to buy a TV and put it right on the corner of my desk, so if I wasn’t using the computer at the moment, I can switch to TV mode.

What Kind of TV to Buy

I shopped around and asked a lot of questions in stores to find out what kind of TV I needed to buy. I was told that I needed a TV with HDMI connectivity. HDMI stands for High Definition Multimedia Interface. It supports TV or video format. I was told that using that connection would provide the best quality. Later, I also figured out that I could also use the RGB port on the back of the TV and connect that to the back of my computer’s CPU (without using the HDMI connection). If I use the RGB port with a coax cable vs. the HDMI port with and HDMI cable, I might not get the same quality as I would as compared to using an HDMI cable, but it was another option. As far as a brand, I went with a reputable brand, based on user reviews and recommendation by the sales technician. My final purchase was a 19” Vizio LCD HDTV, for $178.00. Connectivity instructions are explained in more detail below.

What Kind of Cabling and Accessories Do You Need?

While still at the store, I wasn’t sure if I needed to buy an HDMI cable just yet. This was because the sales technician mentioned that an HDMI cable might be something that our cable company could provide. Plus, I knew I had the option of using the RGB port. The sales technician stated that he was able to get a free HDMI cable from his cable company. He simply called and asked for one, and since he was a loyal customer for over 20 years, they provided him with a cable. I decided to wait until I got home to check and see what cables I may already have on hand before purchasing any additional cables.

As far as additional accessories, this depends on what equipment you have, and how your equipment is setup. In my case, I already had a router and a cable modem setup in my home office, along with a splitter. The router allows wireless connectivity in our house for other computers and devices, such as laptops, portable game systems and WII game system. One end of my splitter connects to my cable port in the wall, and the other end connects to my cable modem:

Connectivity Instructions

Here’s how I connected my new TV to my computer, along with my existing router and cable modem:

Cable Modem:

I have high-speed internet through my cable company (Comcast). If you have FIOS or another form of internet, then unfortunately I’m not sure these instructions will work exactly the same way, but procedural it’s probably similar. Here’s how I have my cable modem connection setup:

If You Have a Router

A router is essential to have in your household if you have multiple computers which use a wireless connection for internet connectivity. Here’s how I have my router connections setup:

How to Switch Between Your Computer vs. TV

To switch between my computer and your TV, I just use either TV button, or the RGB button on my remote control to switch back and forth.

Did I leave anything out? If I did, let me know and I will try to help.

Please note: Connectivity may vary depending on the type of equipment you have, and the type of internet service you have as well.

Questions & Answers

    © 2010 Amelia Griggs

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      • easylearningweb profile imageAUTHOR

        Amelia Griggs 

        5 years ago

        One more note, dccook, or for anyone else connecting your computer to TV, if you have a new TV, and a new computer, there should be an HDMI port on each so you can use your HDMI connection to connect the devices, instead of going the RGB route. You might have to buy the HDMI cable.

        Hope that helps.

        Please let me know if you've tried this and how it's worked out.

      • easylearningweb profile imageAUTHOR

        Amelia Griggs 

        5 years ago

        Dear dccook, Is your coax cable from your wall (for cable) connected to your DVD player, then from your DVD player, you have a cable to your TV? I think all you would need to do is connect your VGA cable from the back of your computer CPU, into the back of your TV, similar to my picture where I have my VGA cable connected to the back of my TV and it is labeled RGB space PC. Then select that input when you want to use it (as in the end of my article when I switch from my computer to TV). In general though, you don't need to connect your computer to your DVD, but instead connect your CPU directly into your TV. I hope this works. However it also depends on what kind of TV you have and how old or new it is. Let me know if this worked.

        Regards,

        Easylearningweb

      • profile image

        dccook@cableone.net 

        5 years ago

        can i connect my computer to my dvd recorder, the dvd player is then connected to the tv.. using the cables etc in this site.. thanks cb

      • easylearningweb profile imageAUTHOR

        Amelia Griggs 

        5 years ago

        That's good to hear, kimathi! Glad you found the hub helpful. :-)

      • profile image

        kimathi 

        5 years ago

        finally i was able to connect my TV and my computer.

      • easylearningweb profile imageAUTHOR

        Amelia Griggs 

        6 years ago

        Hi Totty, if you tried another monitor and that display is fine, then you can safely say that the original monitor is in need of a tune up or repair. To be perfectly sure, you can try connecting the monitor in question to a different computer and I would guess that the monitor would still be blurry or having issues. At this point, your best bet would be to take it to a repair shop for further troubleshooting. Then you can decide if it's worth fixing or if you need to buy a new monitor. Hope that helps. Good luck with the repair!

      • profile image

        totty 

        6 years ago

        @easylearningweb, thanks alot for your tips. The diplay was perfectly ok when i connected another monitor. I tried what u said bt d function keys, F6 or F8, did not display anything for me to adjust the graphic display of the monitor. Could it be that the monitor is completely damaged or i should proceed wt taking it to a tech expert for repair?

        Thanks.

      • easylearningweb profile imageAUTHOR

        Amelia Griggs 

        6 years ago

        Dear Totty, thanks for your Hub comment, and sorry to hear that your monitor is not working properly. There are a few things you could try. First, power down, then disconnect and then reconnect your monitor into your CPU. Then power on your monitor , then your PC. If problems persist, reboot again and then look for a function key for set up which is usually F6 or F8 depending on your system.  This will give you access to your configuration so you could check your video display selection, in case that got changed. The other thing you could try is to connect a different monitor into your PC to narrow down the problem. For example, it could be the video card in your CPU, or to be a problem with the monitor itself. Finally if all else fails, I would recommend taking the monitor to a local tech shop, like their tech repair department at Staples. They will be able to troubleshoot your monitor for you. They might do that for free or charge you a small fee in order to give you an estimate of what it would cost if it needs repair. I hope that helps.

      • profile image

        totty 

        6 years ago

        thanks alot for this great information. Pls i need help. I formated my pc but after reinstallation, the monitor display became blurred and dim. Pls what do i do. I use compaq monitor. Thanks.

      • easylearningweb profile imageAUTHOR

        Amelia Griggs 

        6 years ago

        So glad you found this hub helpful, Annette! I appreciate your comment. :-)

      • Annette R. Smith profile image

        Annette R. Smith 

        6 years ago from Grand Island, Florida

        What a helpful hub, with great illustrations and easy-to-follow instructions. Thank you for taking the time to share this excellent how-to.

      • easylearningweb profile imageAUTHOR

        Amelia Griggs 

        7 years ago

        Thanks for your comment, Tracy Robinson. I'm glad you found it helpful! :-)

      • Tracy Robinson profile image

        Tracy Robinson 

        7 years ago from Mauk, Georgia

        Good illustations. Excellent writing. Thank you, maybe now I can really do it.

      • easylearningweb profile imageAUTHOR

        Amelia Griggs 

        7 years ago

        Thanks for your commment, ajeet.kislay. I'm glad you liked this hub. :-)

        Easylearningweb

      • ajeet.kislay profile image

        ajeet.kislay 

        7 years ago from India

        nice hub

      • easylearningweb profile imageAUTHOR

        Amelia Griggs 

        7 years ago

        Hi Stephhicks68,

        I'm glad you find this hub helpful...that's my goal, to write helpful hubs that others can really benefit from.

        Thanks!

        Easylearningweb

      • stephhicks68 profile image

        Stephanie Hicks 

        7 years ago from Bend, Oregon

        I'm with Habee - I am a tech dummy, so this hub is especially helpful. I may even try to do this at home without my hubby! ;-)

      • easylearningweb profile imageAUTHOR

        Amelia Griggs 

        8 years ago

        Hi TnFlash,

        Glad I could help! Thanks for your comment.

        Regards,

        Easylearningweb

      • TnFlash profile image

        TnFlash 

        8 years ago from Tampa, Florida

        Great Hub! I've been wanting to do this forever. Thanks bunches for the information. Up-rated.

      • easylearningweb profile imageAUTHOR

        Amelia Griggs 

        8 years ago

        Thanks for your comment, Sandyspider. I hope you find this hub as well as my hubs helpful and informative. :-)

      • Sandyspider profile image

        Sandy Mertens 

        8 years ago from Wisconsin, USA

        You make it looks so easy to set up. Pictures and all.

      • easylearningweb profile imageAUTHOR

        Amelia Griggs 

        8 years ago

        Hi habee,

        Glad you found it helpful. I'm proud to say I'm a computer nerd, but I think I like computer guru better. LOL.

        I'm planning on writing a lot more computer related hubs.

        Thanks!

        :-)

      • habee profile image

        Holle Abee 

        8 years ago from Georgia

        Wow! This is soooo helpful! I'm a tech dummy!

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