Does Screen Resolution Cause Display Problems?

I just picked up my new 15 inch Retina Macbook Pro with 750m and I changed the screen resolution to the second option,the one with the bigger text but i am noticing that when i close a window, a white horizontal line comes up around where the window was. Is this a screen problem or software related problems? Thank you.

I agree with Mende1. It sounds like it might be ghosting.
I have a competely different tip for you: a better way of increasing the size of the text is to use screen zoom. Check here for more info: https://www.apple.com/accessibility/osx/#vision

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User data causing display problems?

I had a user on an iBook whose display was completely washed out. The image was so white and there was so little detail that it was mostly unreadable.
So, I did a fresh load of 10.4 onto an older Powerbook G4 that had no issues, and I used the Setup Assistant to transfer over his all of his User Data, settings, and applications.
As soon as the Powerbook rebooted, it had inherited the display problem!
A fresh install on the iBook shows that the display is now fine. Somehow, this problem is travelling with the user's data, settings, and applications.
I've played with the display and color settings, but they have no effect on the problem.
The only unusual application that he was running was some "Ding!" app from Southwest Airlines.
Any idea where to look to hunt down this problem?

Check the contrast setting in the Universal Access pane of System Preferences; this setting can cause what you describe.
(15278)

Why does Screen Resolution NOT offer orientation option?

This HP OMEN gaming laptop is the first PC I've owned (out of maybe a dozen) that doesn't offer orientation options on the Screen Resolution screen. Even the "help" thinks it should be there. I've searched for hours by now, wanting to avoid having to ask what should be so simple. For a seperate issue, I updated my graphics driver approximately 7/05/15. That issue was successfully resolved, so I know the update "took". Can't find it in any of the Nvidia choices either. SO many programs presume it to be available, many have stopped offering it within the program settings. Ideas, please? Thank you.

I took out the modules in mkinitcpio.conf, took off all the kernel additions, and borrowed a monitor from a different computer in the house. Everything says this should work, so i figured the TV may be the problem. It is. I had the TV hooked up with my Nvidia card on the old machine, and it worked perfectly. It did add fan noise, so I wanted to be rid of it if possible.
With the new monitor, it works perfectly. lsmod shows the i915 module loaded. Hook it back up to the TV (which is DVI to HDMI), nothing. This is some other issue, I think, so I'm marking this one solved.
Note: The SVIDEO line was wrong; a re-read of the archwiki page on KMS showed me that the line needs to be formatted as follows:
The format is: video=<conn>:<xres>x<yres>[M][R][-<bpp>][@<refresh>]"["i"]"[m][eDd]
so the line should have been video=DVD-D:etc, rather than video=SVIDEO:etc
Quotation marks above aren't really there; I can't figure out how to get a square bracket i to work without them; the forum kicks me an error.
Last edited by timm (2011-10-10 13:33:49)

Preview causes display problems; freezes system

When I double click on an image (jpg) file, Preview opens and then immediately causes parts of the screen to black where the image should be. When I try to quit using keyboard commands, it won't quit. When I click the Apple symbol to get to Force Quit, the drop down menu blacks out that part of the screen. From there on, nothing works properly and I have to power down.
I'm running an iMac from early 2008 with 4 GB RAM, Yosemite 10.10.1
Has anyone else experienced this?

Please read this whole message before doing anything.
This procedure is a test, not a solution. Don’t be disappointed when you find that nothing has changed after you complete it.
Step 1
The purpose of this step is to determine whether the problem is localized to your user account.
Enable guest logins* and log in as Guest. Don't use the Safari-only “Guest User” login created by “Find My Mac.”
While logged in as Guest, you won’t have access to any of your documents or settings. Applications will behave as if you were running them for the first time. Don’t be alarmed by this behavior; it’s normal. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin.
Test while logged in as Guest. Same problem?
After testing, log out of the guest account and, in your own account, disable it if you wish. Any files you created in the guest account will be deleted automatically when you log out of it.
*Note: If you’ve activated “Find My Mac” or FileVault, then you can’t enable the Guest account. The “Guest User” login created by “Find My Mac” is not the same. Create a new account in which to test, and delete it, including its home folder, after testing.
Step 2
The purpose of this step is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.
Please take this step regardless of the results of Step 1.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Start up in safe mode and log in to the account with the problem. You must hold down the shift key twice: once when you turn on the computer, and again when you log in.
Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Ask for further instructions.
Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal startup may also be somewhat slow.
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem?
After testing, restart as usual (not in safe mode) and verify that you still have the problem. Post the results of Steps 1 and 2.

Inserting Flash Video causes display problems in Google Chrome

Hi all,
I have tried in insert a Flash Video (.flv) into Dreamweaver using the Insert > Media > Flv command.
The video looks fine in both Firefox and Interent Explorer. The problem is Google Chome does not display the video at all. It shows a white background. As I right+click onto Google Chrome, it says About Flash Player which means it is already installed into the browser.
Does anybody know how to resolve this issue?
Thanks!

clavin007 wrote:
Does anybody know how to resolve this issue?
Well certainly not without seeing your code.
Please be kind enough to post a link to your page.

Firefox cannot dowload my knidle books on amazon, IE does, what could cause this problem?

When I try to download my digital books at Amazon.com, it takes me to the log in screen. When I log in it does nothing. Using IE, I click and it downloads the book. I did not have this problem the last time I downloaded. I changed nothing in FireFox, however some of the add-ons have updated.
My List:
Name: Size Last Modified
AdblockPlus{1.2.2}.prefs 2 KB 9/12/2010 4:15:18 PM
AddOns 9/23/2010 7:56:52 PM
FastestFox{4.1.7}.prefs 2 KB 9/12/2010 4:15:18 PM
FireFTP{1.0.9}.prefs 2 KB 9/12/2010 4:15:18 PM
Firefox 3.6.9 (en-US) - 12658 KB 9/12/2010 4:20:04 PM
FlashGot{1.2.1.30}.prefs 3 KB 9/12/2010 4:15:18 PM
ForecastbarEnhanced{0.9.6} 4 KB 9/12/2010 4:15:18 PM
IETab2FF3.6+{2.5.10.1}.prefs 2 KB 9/12/2010 4:15:18 PM
NoScript{2.0.3}.prefs 15 KB 9/12/2010 4:15:18 PM
VacuumPlacesImproved{1.1} 1 KB 9/12/2010 4:15:18 PM
WebMailNotifier{2.5.9}.prefs 2 KB 9/12/2010 4:15:18 PM

These are user-to-user forums, you are not talking to Apple here.
Audiobooks (and ringtones) are currently a one-time only download. I believe that they are all supplied to Apple by audible.com, so I assume that it's them who are requiring the one-time only download restriction. To get it onto your other devices you will need to sync it via a computer. Depending upon what country that you are in, Audible.com have their own app (Audiobooks from Audible) so you might be able to buy direct from them, though I don't know whether you can buy within their app or download audiobooks directly from them within the app e.g. whether they need to be copied via a computer.

Overheathing causing display problems

When using the Macbook Air for a while playing a game such as World of Warcraft, it gets hot, as you would expect.
However, the graphic then start to fail badly. Some parts of the display are corrupted, and eventually the game is unusable.
Exiting a game so it cools down the machine continues to work, so this suggest the problem is the graphics card/chipset overheating rather than a general CPU or RAM issue.
It seems like the one thing the Air lacks is "air" to keep it cool!
Anyone else seeing this. Is this a known fault?

Hi,
it seems to be hard to understand: The Air is not intend to play graphic heavy games. Now, you can argue, that it has all that it needs and it is just a design fault. But that just misses logic by inches. If you need a machine for playing, take a MacBook or even better a MacBook Pro. If you need a very light machine for travel, regular use anywhere you happen to find a spot to sit, may it be on the bed, in the garden, wherever, take the MacBook Air.
I am not aware of current technology that allows to build an "Air" with the power and heat dissipation of a MacBook Pro. To be honest, those have the fans running at higher speed as well most of the time, so heat will be the problem, maybe until we have the first home computers based on quantum-effects using Q-bits as transistors.
Nevertheless your MBA could be broken indeed, so I recommend you check with the next genius bar.
Cheers,
Volker
Message was edited by: Volker Runkel

Who can analyze this class ,does it will cause a problem?

package db;
import java.sql.*;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.sql.DataSource;
public class DbManager
private static Context jdbcContext;
public static Connection getConnect(String dataSource)
throws ClassNotFoundException, SQLException
String s;
Connection conn=null;
if (dataSource==null)
s= "jdbc/hoss";
else
s=dataSource;
if(jdbcContext == null)
try
jdbcContext = new InitialContext();
catch(Exception exception)
System.out.println(exception);
try
conn = ((DataSource)jdbcContext.lookup(s)).getConnection();
catch(Exception exception1)
System.out.println(exception1);
return conn;
public static ResultSet execQuery(String s,Connection conn)
throws SQLException
Statement statement = conn.createStatement();
ResultSet resultset = statement.executeQuery(s);
     //statement.close();
return resultset;
public static ResultSet execQuery(String s,Connection conn,Statement statement)
     throws SQLException
     ResultSet resultset = statement.executeQuery(s);
     return resultset;
public static int execUpdate(String s,Connection conn)
throws SQLException
Statement statement = conn.createStatement();
int i = statement.executeUpdate(s);
     statement.close();
return i;
this is a class writed by me ,but now i have some problem with it
all the problems is focus on the following method:
public static ResultSet execQuery(String s,Connection conn)
throws SQLException
Statement statement = conn.createStatement();
ResultSet resultset = statement.executeQuery(s);
     //statement.close();
return resultset;
if the statement is closed ,the resultset will automatically be close;
if you don't close statement here i have two wonder:
1)after the method return the statement is local variable,it will died
and the resultset will can also do thing?
2)whether it will lock the database after long run

If you don't close the ResultSet and the Statement, I think you may have an SQLException sooner or later, telling you there are no more cursors left.

Stuck with 1024x768 resolution/monitor/display

After re-installing Snow Leopard on my friend's mac,
My screen resolution/monitor/display can only get 1024x768. System Prefs doesnt allow me other display options, they are blank.
Asked, Googled, people say it may be bad/corrupted video kext.
Is this the case?
If so how to find the folder where video kext is and
where to get the clean video kext file to replace?
Thanks so much!

Reinstall OS X, but erase the drive first. If you reinstalled over an existing but corrupted system it could cause this problem.
However, the first thing to do is: How to Rest the PRAM
Message was edited by: Kappy

Duo Displays Problem on MacBook Pro (13-inch, Mid 2012) Resolution 2560x1440 and 1280x800, Sometime 2560x1440 is blank screen and must restart to fixed it

Dear all,
I found some problems for using Duo Displays with MacBook Pro (13-inch, Mid 2012) display and Samsung UHD Display (U28D590). I use resolution on my macbook is 1280x800, Samsung UHD Display is 2560x1440 And Connect with Display port to mini display port.
But I use sometime found always blank screen on Samsung Display and I tried to unplug mini display port and plug it again but it is not working until I shutdown and restart my macbook pro, my display back to working.
I want to fix this problem because it is very trouble for my working a lot.
Thank you very much
Phot

The symptoms I'm getting now, and I'm not sure if they're any different, suggest that for some reason Mountain Lion thinks my display resolution is higher than what it is, as wether I'm turning AirPlay on or off, it keeps changing it (on the MacBook) to what looks like maybe 1080p.

Why does opening iTunes cause my screen resolution to change automatically?

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I have tha same problem on the same Mac with CS6 Design Standard.
And I don't know how repair it.
Maybe does it happen for the switching of the graphic card from Intel HD to Nvidia GeForce?

Screen resolution problem - HP computer and LED Cinema Display

I just purchased an HP Envy Phoenix H9-1330 with Windows 8, and I connected it to my 27" Mac LED Cinema Display, but the resolution is horrible. The highest option in the screen resolution menu is 1280 x 720, and I'm getting the error message "Your resolution is lower than 1024 x 768. Some items might not fit and apps might not open". How do I fix this? What kind of issue is this (Windows 8? Graphics card? HP can't support my monitor? etc...)?
I just bought another brand new computer, but not an HP, with Windows 8 and I have no problems with the resolution - it looks absolutely beautiful. I want to use my monitor with my HP desktop though.
Thanks for any help

Still haven't figured it out....
BUT I did notice that, on the back of the computer, there are 2 additional DVI connections that are covered with a black cover and screwed in (and they say 'please do not remove'.... I'm asuming it's because they aren't connected to anything? Or maybe they aren't connected to the graphics card?). Is it possible that just my DVI connection is wrong, and I'll need to connect to one of these covered-up DVI inputs instead? But why are they covered up? Do I need to take it in so they can be connected to the graphics card?? Help! I don't want to return this computer, but I will have to if I can't get the resolution fixed.

Imac display problem, the resolution seems to be unusual, top bar and all folders on the desktop background is off the screen

Need help with 21" imac display problem. The resolution seems to be unsual, everything on the desktop background goes off the screen. The resolution is set at 1920 x 1080

Quit the game and restart the iPad.
To quit the game - Go to the home screen first by tapping the home button. Quit/close open apps by double tapping the home button and the task bar will appear with all of you recent/open apps displayed at the bottom. Tap and hold down on any app icon until it begins to wiggle. Tap the minus sign in the upper left corner to close the apps. Restart the iPad. Restart the iPad by holding down on the sleep button until the red slider appears and then slide to shut off. To power up hold the sleep button until the Apple logo appears and let go of the button.
If that doesn't work try this.
Reset the iPad by holding down on the sleep and home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons.

Why Does The Display Cable Length Change Screen Resolution?

I have a Power Mac running two 23" Samsung Displays using 6' cables. This has worked fine for 3 years. Recentily I tried to use 15' cables, but it changes the resolution of the displays. The resolutions are not even the same.
Any ideas on this? The 1st image shows the screen resolutions with the shorter cables. The 2nd image shows the resolutions with the longer cables.
Thanks!

Do not use the menuBar item for debugging. It shows only "greatest hits". The full range you can select from will be shown in:
System Preferences > Displays
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Screen resolution does not change back after using a projector

Hi!
My office uses several different models of macbooks, but there is a small problem with all the Airs. When I have been using them with a projector I have to change back the screen resolution manually (go to the system settings and change resolution). On the macbook pros, however, the desktop restores themselves as soon as the projector is disconnected. It seems to me that this should be the standard behaviour of all macs, does anyone know why it is not working on the Airs?
Best regards
Erik

Hi Erik,
I had this problem on a MacBook and resolved it by recreating some plist files.
~/Library/Preferences/ByHost/com.apple.windowserver.xxxxxxxxxxxx.plist
~/Library/Preferences/ByHost/com.apple.preference.displays.xxxxxxxxx.plist
The xxxx's are your machine's EthernetID (MAC Address). I wouldn't delete, rather just move them to your Desktop and restart the computer. See if that resolves it.

Does Screen Resolution Cause Display Problems?

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