So I am trying to connect my laptop, Lenovo y510p, gt755mx2, 16gb ram, intel core i7 2.4ghz, to a CPX 1080p hdtv via hdmi. I am using a high speed hdmi cable and have both my laptop and the tv at 1080p at 60hz.When ever I connect my laptop to my tv one, the screen is enlarged on the tv cutting off the edges and two I get green dots flashing all over the screen. I have attached a video detailing my problem. I hope you guys can see it.
To me it almost sounds like you have a bad cable and are getting bit errors. How long is the HDMI cable?
Since I can't see the video, are the two green dots over an image or do they appear or a blank screen?
With a digital screen, if you don't have 1920x1080 pixels, then the screen has to decide which pixels to duplicate and which to only show a single time. It usually ends up with a screen that doesn't look sharp.
Absolutely (up late and could be a video card problem). So let's change the advice to try a different input connection on the TV. Also try a different source device and then try a different TV, if possible.
It still sounds like bit errors but those can be generated by bad cards as well as cables.
Watch the screen carefully and see if you see anything on the screen. If not, there are two more steps - first make sure the resolution on the laptop matches that of the TV. So, likely you need to make the laptop 1920x1080 - use the laptop's graphics card software to change the resolution. Then (and this is an easy step to mess up), make sure you have enabled the HDMI port on the laptop and also you have selected dual monitor mode.
That you have this working with a different TV suggests to me that that the HDMI port is enabled but maybe when you hook up the other TV the selected resolution may be different. It is important that the laptop output a resolution that the TV can recognize.
I reread what you wrote and I didn't see anywhere that you had updated the firmware on the TV and the laptop as well as the graphic's card driver. So that's a few more items to check on.
Your basically going to have to play detective and go through each item one-by-one to solve this problem. Also remember the more you tell us about what you tried, the more clues we have to help you. Please include specific model numbers when discussing components (like you already have with the TV and the laptop).
Like I said, no reason to apologize - picture really helped. Sorry to ask more questions but do the dots and lines move across the screen in a pattern or always in the same direction? Or, is their appearance at random locations and then they disappear and reappear elsewhere? Or something else?
Can you take two pictures maybe 10 seconds apart?
Did you try unplugging the PS3 and plugging the Lenovo in immediately afterwards?
I tried taking the cable out of the ps3 and directly putting it into my laptop but nothing changes. If you could not tell from my video I am a college student so I would have to wait a little while before I can get another cable but if that is the problem then I will get a new one. I just don't understand why it would work with the ps3 but not my laptop. My computer is running two graphics cards in sli, would that cause any errors?
The dual graphics cards should not cause any problems. Since you said it worked with a different TV, that should eliminate a graphics card problem anyway.
Can you borrow another cable for a test? Really a 1 minute test is all you need the cable for right now.
The reason the same cable would work with one device and not the other is that some devices have active equalization on the cable and send a more optimal signal for that cable. Some devices don't have that ability.
But, remember I'm only going down the most likely path at this point. It could still turn out to be something other than the cable.