Horizontal glitch in display

I have reported to Apple in case number 67361412 an anomaly in the display. Any idea how to avoid this? I now have a screen capture of the problem, but not sure how to add a pic to this message.
/Users/seph/Desktop/Snapshot 2006-08-26 00-39-37.tiff
PowerBook G4 Mac OS X (10.4.7)

I have been dealing with this problem and others that are actually the same root problem. I have now started a new discussion that is titled:
Faulty display or connections with display
Let's all work together to get anyone that has had this problem to respond on this new thread so that Apple can see that there is a common denominator that points to the display not to what we may have "done" to cause these anomolies. You will find that I and another poster on one of these discussion threads have discovered one common denomintator that I believe will ferret out the problem.

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Powerbook + Pioneer plasma through VGA gives horizontal glitches

I have a aluminium Powerbook 1.67 GHz, with the single-layer Superdrive, and the 128 Mb ATI graphics card. I hook up my Pioneer 436XDE through VGA to get correct resolutions and timings.
The problem is when I play a movie and and there's fast panning I tend to get horizontal glitches in the image. It's like part of the picture is moving before the rest is. The Powerbook's screen shows the same problems but not simultaneously. I've tried mainly with VLC and XviD-video. I got the same problems when playing a DVD with Apple's DVD Player.
System Preferences (Monitors) has no problem finding the plasma display and giving it the correct resolution (1280x768) but it only offers one refresh rate, 59.9 Hz. Shouldn't 60 Hz make more sense?
I have also tried to use the plasma display as the main display (booting with lid closed) with no better luck.
When I hook the Powerbook up through DVI to HDMI I do not experience these horizontal glitches. But using HDMI results in overscan. If I uncheck overscan in preferences the picture gets really small.
What's most likely the cause of the problem? Weird refresh rate? Incompatible graphics card? Bad VGA cord?
Mac OS X (10.4.6)

Hi,
Maybe the Apple TV would be the most elegant solution. However you have posted your question in the wrong forum so not likely to get any answers here.
best of luck,
Niall

Using a IP191 monitor, have random horizontal streaks on display - have no problem with other browsers; also no problem with FF on other family PC's

Using a IP191 monitor, have random horizontal streaks on display - have no problem with other browsers; also no problem with FF on other family PC's.
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hello, maybe that's an issue with hardware acceleration - please try [[Upgrade your graphics drivers to use hardware acceleration and WebGL|updating your graphics driver]], or in case this doesn't solve the issue or there is no new version available at the moment, disable hardware acceleration in the firefox ''menu [[Image:New Fx Menu]] > options > advanced > general''.

Horizontal menu bar displays grey in IE - Please Help

These are my first websites and i have created it in DW CS4. Everything is working and i have checked in multiply browsers. The one issue i can't work out is that when viewed in IE the horizontal menu bar looks grayed out. The main menu should be transparent with a white border, while submenus have a .gif image gradient background also with a white border.
Please help, I would be very grateful and if you would ever find yourself in the Maldives i'm sure we could repay the favour.....
Please find all the details below
The URLs are
http://www.noonudiversmaldives.com
http://www.noonuislandretreat.com
CSS
@charset "UTF-8";
/* SpryMenuBarHorizontal.css - version 0.6 - Spry Pre-Release 1.6.1 */
/* Copyright (c) 2006. Adobe Systems Incorporated. All rights reserved. */
LAYOUT INFORMATION: describes box model, positioning, z-order
/* The outermost container of the Menu Bar, an auto width box with no margin or padding */
ul.MenuBarHorizontal
margin: 0;
padding: 0;
list-style-type: none;
font-size: 100%;
cursor: default;
width: auto;
/* Set the active Menu Bar with this class, currently setting z-index to accomodate IE rendering bug: http://therealcrisp.xs4all.nl/meuk/IE-zindexbug.html */
ul.MenuBarActive
z-index: 1000;
/* Menu item containers, position children relative to this container and are a fixed width */
ul.MenuBarHorizontal li
margin: 0;
padding: 0;
list-style-type: none;
font-size: 100%;
position: relative;
text-align: left;
cursor: pointer;
width: 8.5em;
float: left;
border: thin solid #CCC;
/* Submenus should appear below their parent (top: 0) with a higher z-index, but they are initially off the left side of the screen (-1000em) */
ul.MenuBarHorizontal ul
margin: 0;
padding: 0;
list-style-type: none;
font-size: 100%;
z-index: 1020;
cursor: default;
width: 8.2em;
position: absolute;
left: -1000em;
border: thin solid #CCC;
/* Submenu that is showing with class designation MenuBarSubmenuVisible, we set left to auto so it comes onto the screen below its parent menu item */
ul.MenuBarHorizontal ul.MenuBarSubmenuVisible
left: auto;
/* Menu item containers are same fixed width as parent */
ul.MenuBarHorizontal ul li
width: 8.2em;
/* Submenus should appear slightly overlapping to the right (95%) and up (-5%) */
ul.MenuBarHorizontal ul ul
position: absolute;
margin: -5% 0 0 95%;
/* Submenu that is showing with class designation MenuBarSubmenuVisible, we set left to 0 so it comes onto the screen */
ul.MenuBarHorizontal ul.MenuBarSubmenuVisible ul.MenuBarSubmenuVisible
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top: 0;
DESIGN INFORMATION: describes color scheme, borders, fonts
/* Submenu containers have borders on all sides */
ul.MenuBarHorizontal ul
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background-image: url(../background/Navboxes.gif);
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color: #FFFF33;
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border: thin solid #CCC;
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ul.MenuBarHorizontal a.MenuBarItemSubmenu
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border: thin solid #CCC;
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ul.MenuBarHorizontal ul a.MenuBarItemSubmenu
border: thin solid #CCC;
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ul.MenuBarHorizontal a.MenuBarItemSubmenuHover
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ul.MenuBarHorizontal ul a.MenuBarItemSubmenuHover
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BROWSER HACKS: the hacks below should not be changed unless you are an expert
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ul.MenuBarHorizontal iframe
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display: inline;
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Hi,
Before I give you the solution, please be advised that nothing goes above supplying an online URL. This helps us more than anything else. In fact, with an online URL ther is no need for further code.
So, in your case, thank you for the URL.
For the solution to your problem, just remove the red coloured part.
@media screen, projection
    ul.MenuBarHorizontal li.MenuBarItemIE
    display: inline;
    f\loat: left;
   background-color: #999999;
I'll see you in the Maldives.
Ben

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Message was edited by: ccolaco

If you have already had a case number with Apple for this issue and it is not resolved, you ought to be able to have it serviced. Call AppleCare and reference the old case number, and explain that the first fix did not fix the problem, and because you brought this to Apple's attention before your warranty expired, they should still do the repair for free.
You can test for whether it is faulty RAM by pulling out one stick at a time and testing whether the lines persist.
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Try
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
<script src="SpryAssets/SpryMenuBar.js" type="text/javascript"></script>
<link href="SpryAssets/SpryMenuBarHorizontal.css" rel="stylesheet" type="text/css">
<style>
ul.MenuBarHorizontal {
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ul.MenuBarHorizontal li {
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ul.MenuBarHorizontal a {
     text-align: center;
ul.MenuBarHorizontal ul a {
     text-align: left;
</style>
</head>
<body>
<ul id="MenuBar1" class="MenuBarHorizontal">
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      <li><a href="production_monthly_goal.html">Monthly Goal</a></li>
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Gramps

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Contact tech support, it will need to be sent in for repair, and as long as your hardware warranty is good or you have APP the repair will cost nothing. unfortunatly this is basically your only option, unless resetting NVRAM takes care of it. to do that turn off com. hold down option, apple(2 key's left of space bar)and o, f, then turn on while holding those down. when firmware opens up type in reset-nvram, press enter then type in reset-all(include the dash in both)
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Serial No.: DCYKK5A8F0GR
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Regards,
JS

I have the same issue. The programs that cause it on my end are Mail and some of the Adobe products. I'm hoping it's not the video card. Of course, I'm having another issue with the monitor (30") not waking on a cold boot. An Archive and Install did NOT solve the issue, so if it's software related then it's most likely a conflict with software or it's imbedded within the User files.

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I've been having some erratic behavior on my iMac, possibly since the last software update. I'm seeing some horizontal lines on the displays intermittently in a seemingly random fashion. I wanted to try resetting the PRAM and I tried holding Command + Option + P + R down while booting the machine multiple times and it won't reset. Any suggesting? Is there an alternative method or resetting the PRAM on on Intel Mac. I have a wired Apple keyboard.

Just to verify your attempt at resetting the P-RAM: http://support.apple.com/kb/HT1379?viewlocale=en_US
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There could be 2 things
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Hi xlpacmanxl,
So the first thing that I would want to know is with the brightness cranked all the way up, do these lines appear during startup?
As for troubleshooting:
Install any and all OS X updates via the App store.
Perform a NVRAM reset:
About NVRAM and PRAM
If it is still going on reset the SMC:
Intel-based Macs: Resetting the System Management Controller (SMC)
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Thanks,
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Hello Everyone. I just recently purchased an iPod Nano 8GB Green Engraved and I love it. The only thing that bothers me is that when the brightness level is at 45% and up the display has Horizontal lines dancing across the display. It does NOT hinder the viewing of the iPod and I am extremely sensitive so many people might probably notice it. I am wondering if anybody else experiences this issue and if this is left alone, will there be any future problems with it? I don't want to replace it as it was engraved. Thank You very much for your help!
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Hello Deggie. Thank You very much for the help. I think I will just leave it alone, because as I said it does not hinder the use of the product and also I am very sensitive to things like that, so I am probably one of the very few who would notice it.
Thank You Deggie
Everyone Else: If you want to say anything about this issue, the mic is yours!
-superhamster

Horizontal glitch in display

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