Is there something wrong with my monitor or my cable if occasionally I get fuzzy lines on my external monitor?
590392
Fuzzy lines that are not all the time mean interference. Search Amazon for "ferrite bead" and get one of the ferrite clips. I have them on all of my HDMI cords. Usually the reason to buy more expensive HDMI cords is because they are more insulated to prevent interference, but it is cheaper to get a clip on ferrite bead. If you only have one, clip it on the side with the monitor/tv. You can clip it on both sides of the cord if you have multiple. I just want to note that if you have fuzzy letters or image, then there might be a resolution conflict. For example, you are outputting 1080p when your screen only supports 720p. Another common problem that causes blurryness is overscan in screens which cuts off the edges of the image and then resizes the image to fit full screen. They do this because cable television usually comes in with weird white lines on the edges and overscan removes that. You can sometimes disable this in the screen's settings. Hopefully this solves your problem!
1445582
We've not had that problem (yet). My only thought is the internal sensitivity element and the sensitivity button are not making a connection. It may be necessary to open the monitor to determine if something has come loose. Sorry I couldn't be of more help.
2048766
Never (using this monitor since 6-13). Do you have a message on the screen when this happens - "no xx input," etc.? Check cables.
2181191
I find my monitor calibrating every now and then, flashing various colors and lines across the screen, but it usually doesn't look for input. I'm guessing it's getting a mixed signal from your computer, or some device it is plugged into? If you hit the "Source" button (the + sign), you can select a default source and turn OFF the auto-select source option. This might also help.
1041043
There could be many reasons, but the wrong cable/adapter could sure be one. Are you sure you have a dual link cable or adapter?If you're using the little adapter, then yes, this will fix your problem. It's pricey and eats up a USB port, but it's the only want to run a large monitor.
824377
Could be the cable, or the connection between the cable and the set or cable box also. I'd try giggling the cable first and next replacing the HDMI cable or swapping to a composite cable bundle.
1999967
have you checked your settings on your desktop? i find that most of the times its a seeting issue in the compter or tv.
249517
I didn't have this issue, and I own two of the monitors. It may be defective, and I would also wonder which model you have (there are some S230HL models that have two DVI ports, some with two HDMI ports) as some were manufactured at earlier points in time. Personally, I'd return it and see if it was just a fluke.
2047795
There is an on/off switch on the back of the monitor directly next to where the power chord is plugged in. It isn't patently obvious, so I thought I would offer this as a troubleshooting suggestion. If this doesn't help, let me know.
1570367
I have had similar issues and thought it might have ben the monitor itself... the problem is that the HDMI cable was moving ever so slightly as we manipulated our rig and the weight of the HDMI cable itself helped it to wiggle out just a little bit and lose connection. Nothing a little gaffer tape couldn't fix. After figuring out what was going on we have yet to see it lose signal again.Hope This helps!
24685
I really don't know the answer but reading the other responses, if it is the monitor I bought a viewsonic monitor and not having that problem.
2226457
I have also had intermittent connection on the Mini Display Port connector. I would get a blinking display or lines in the display. Make sure it is well seated, then it seems to work better. I am not sure if it is only this cable, or inherent in the Mini Display Port connection.
115754
I have not had that problem, mine has worked fine but is used for more of a TV, look in the settings, there may be a power setting in the menu on the monitor, otherwise turn off the computer and monitor and make sure the DVI connection is good on both sides and try again.Try a different DVI cable as well, as the other commenter recommended.
2278120
My first guess would be that you need to replace the screen. They are pretty flimsy. It could be the LCD wiring from the motherboard to the screen, but I haven't every had issues with the cords.
1701825
I can confirm problems with DVI cables received with 2 of these monitors. Luckily, I had ordered some longer DVI Dual Link cables which got me up and running. The worst part of receiving the insufficient cables was that Windows sensed the monitors max resolution, but only produced a black screen (making it appear there was an issue with the video card).
2261325
This is a monitor. Mine is faulty but since they sent it to the wrong address, I had to wait to bring it to Calif. and since I didn't return here for 30 days, I couldn't return it. There is a blurry line down the left and right side, about 3 or 4 inches from the outside. I wouldn't buy it again!!
272686
Could be a bad screen, do you have anything else to tested it with? Also double check the cord on both sides is secure, one side going into the new display other side going in motherboard/graphics card.