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Windows 7: Cannot connect laptop to TV

08 Apr 2012   #1
Steve5504

Windows 7 Home Premium
 
 
Cannot connect laptop to TV

For the past several years, Iíve hooked up my Compaq laptop (with Windows Vista) to my 2001 Toshiba TV via S-video cable and everything worked great.

A few weeks ago, my Compaq died and I got a new Dell Inspiron 15 (N5050) with Windows 7 Home Premium. The Dell did not have a S-video port, so I hooked it up to my TV via VGA to component. Now, I cannot get anything on the TV as I did with my old Compaq laptop.

When I plug the VGA cable into the port on the Dell laptop, the screen gets thinner. I click on display to set up the 2nd monitor (TV), I click Clone. For monitor 2, it says "Generic non PnP monitor". I click ok, but nothing ever appears on the tv screen.
On the TV, Iíve doubled checked the cable and I made sure I set it to the right input source. Still nothing.

Can anyone help?


My System SpecsSystem Spec
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08 Apr 2012   #2
bitkahuna

Windows 7 Professional x64
 
 

sure, depends on the tv, what resolution it supports. if it's an hd type lcd, it should support 1080 lines, 720 lines, or 480 lines.
My System SpecsSystem Spec
08 Apr 2012   #3
kegobeer

Windows 7 Ultimate x64 SP1
 
 

How are you converting the signal? What hardware are you using to do the conversion from VGA to YPbPr?
My System SpecsSystem Spec
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08 Apr 2012   #4
Steve5504

Windows 7 Home Premium
 
 

Quote   Quote: Originally Posted by kegobeer View Post
How are you converting the signal? What hardware are you using to do the conversion from VGA to YPbPr?

I'm only using a VGA to YPbPr cable. Do I need a converter box?
My System SpecsSystem Spec
09 Apr 2012   #5
carwiz

Windows 7 Pro-x64
 
 

Yeah, those are two different types of signals. You can't simply use a cable unless your PC video card outputs a YPbPr signal. Which the Intel H67 doesn't. Does your TV have a HDMI port?
My System SpecsSystem Spec
09 Apr 2012   #6
Steve5504

Windows 7 Home Premium
 
 

Quote   Quote: Originally Posted by carwiz View Post
Yeah, those are two different types of signals. You can't simply use a cable unless your PC video card outputs a YPbPr signal. Which the Intel H67 doesn't. Does your TV have a HDMI port?

There's a HDMI port on the laptop, but not on the TV. I guess my best bet is to buy a converter box.
My System SpecsSystem Spec
10 Apr 2012   #7
Steve5504

Windows 7 Home Premium
 
 
New Problem

I bought a converter box, and that got the images onto the TV screen. Now I have another problem:

When I plug the VGA cable into the laptop, for 5 seconds, I get images on both screens (laptop and TV). Then, both screens go black and then I only get images on the laptop. Then, after 5 secs, the screen goes black and then I get images on both screen again....and so on. Because I only have 5 secs, I don't have time to make any changes unless I unplug the VGA cable.

Also, each time the screens switch (from 2 to 1 back to 2 to 1...) for five secs, I hear the sound that you hear when you plug in a thumbdrive.

Any ideas?
My System SpecsSystem Spec
10 Apr 2012   #8
carwiz

Windows 7 Pro-x64
 
 

I wonder if your laptop is trying to use bad settings from the old setup? You're a little skimpy on info about the converter box so try the following.
Unplug the VGA device. Go to Device Manager and expand the Monitor line. If both are shown as Generic, you'll have to verify which is which__Right click the first one and click Properties. Click on the Details tab then in the drop-down menu under Property, click on Hardware Ids. It should say MONITOR\xxxxxx. The xxxxxx should relate to your laptop display. Do the same for the second monitor. In most cases, you should be able to deduce which is the TV.
Delete the entry for the TV then reboot.
After you're up and running, plug in the TV and turn it on. See if the laptop will install another monitor for the TV.

Here's a snipit of monitors on my PC. Yours should be similar except for the Hardware Ids.


Attached Thumbnails
Cannot connect laptop to TV-monitors.jpg  
My System SpecsSystem Spec
10 Apr 2012   #9
Steve5504

Windows 7 Home Premium
 
 

I went to Device Mgr and clicked under Monitors. There was only one listed...a generic non pnp monitor. I clicked on Properties, but I couldn't tell of it was my laptop monitor or not. I took a chance and disabled it, shut down, and rebooted.

After it had booted up, I pluged in the VGA cable and got the same results.

I then went into the device mgr and undid what I did (I "enabled" the gen non PnP monitor.)
My System SpecsSystem Spec
10 Apr 2012   #10
carwiz

Windows 7 Pro-x64
 
 

You can't just disable it. That retains the settings. Follow the instructions I gave you. Was the TV off when you plugged in the VGA? Is your Windows up to date? What "converter box" are you using? Is it powered? If so, turn it off before plugging in the VGA.
My System SpecsSystem Spec
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