HDMI 5m works , but has green lines when I add a 1.5m extention

zivlaks · Aug 13, 2013

So here is the situation:

HDMI 5m + extention 1.5m = green lines all over screen
HDMI 1.5m + extention 1.5m = works
HDMI 5m = works

What is the problem?

COLGeek · Aug 13, 2013

Likely, it is signal loss on the longest combination (5m+1.5m) because of the connector. A single, longer cable should do the trick.

lonewolf7 · Aug 13, 2013

The problem is the length and the extension chord.

COLGeek · Aug 13, 2013

Something like this one:

http://www.newegg.com/Product/Product.aspx?Item=N82E16882155290

J_E_D_70 · Aug 13, 2013

I'd save some money and get a longer cable they Monoprice. Had great results with them.
http://www.monoprice.com/products/product.asp?c_id=102&cp_id=10240&cs_id=1024001&p_id=3990&seq=1&format=2

zivlaks · Aug 14, 2013

7.5m worked, thx!

zivlaks · Aug 14, 2013

Oh my god.

So, I used my new 7.5m cable happily, then I replaced my 4850 with 7950 3gb card. Now my 7.5m cable doesn't work any more. Tested it with my laptop, also doesn't work.

My 7.5 cable ONLY worked with my old card. WHAT THE HELL

COLGeek · Aug 14, 2013

You may need to reload the hdmi drivers.

zivlaks · Aug 14, 2013

I tried installing drivers again while HDMI cable was connected, nothing. TV is visible on my PC as one of my screens now, but doesn't get the signal at all (displays no signal on TV).

zivlaks · Aug 15, 2013

Returned all cables to the store for a full refund

.

Guys, do you know what can I do to KNOW that a certain cable will work at 7.5meters? Like, what should I look for in the cable specification?

COLGeek · Aug 15, 2013

The shorter cables, with both GPUs worked properly?

Also, what cable did you get (and returned)? Was is a bargain cable or a more expensive, more shielded cable?

zivlaks · Aug 15, 2013

Yeah, shorter cables worked perfectly. I got a bargain cable xD

COLGeek · Aug 15, 2013

Try one of these:

http://www.newegg.com/Product/Product.aspx?Item=N82E16882155290

zivlaks · Aug 15, 2013

I live in Serbia, so I can't use newegg. Can you tell me what to look for in a cable generally?

zivlaks · Aug 15, 2013

I live in Serbia, so I can't use newegg. Can you tell me what to look for in a cable generally?

COLGeek · Aug 15, 2013

Understood. You want a more heavily shielded cable than provided by the bargain bin cables. Gold connectors help as well for greater conductivity.

zivlaks · Aug 15, 2013

Do you think something like this would work?

COLGeek · Aug 15, 2013

Like what? Nothing was linked.

zivlaks · Aug 15, 2013

There might be a problem with the site or something. http://prntscr.com/1letzi

COLGeek · Aug 15, 2013

Looks like a decent cable (at least the connectors). I am not sure about the braided cable though.

lonewolf7 · Aug 15, 2013

@zivlaks, if nothing works try a Dual Link DVI cable. BTW what is the resolution of monitor/tv ?

zivlaks · Aug 15, 2013

I tried with 2 TVs, both 720p and 1080p , and I never sent the TV a bigger resolution than it could handle.

lonewolf7 · Aug 15, 2013

Do you know one thing that HDMI cables are unable to display correctly a resolution on 1080i/p or beyond. So the best bet is a DL DVI cable.

HDMI 5m works , but has green lines when I add a 1.5m extention

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