Screen starts flashes and disappears

Hello I need help. I am using dazzle to
broadcast a Sony camera live. Every time I start adobe media live the screen flashes and disappears. It is not running in the back ground either. If i use my webcam it work fine.can some one please help.

It seems FMLE and Dazzle card are not that friendly to work with each other.
can you please give us complete details about the card you are using. we can consider this card for certification if it will become popular among FMLE users.

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When i click on the CreativecloudSetup my screen starts flashing.

Hello, I am a new CC user and i just downloaded it but only to find out when i click on it my screen starts flashing and doesn't even open!
If anyone could help that would be great!
~Bill

Okay, No error message nothing pops up.
corner of screen flashes as if its trying to open.
windows 7 x64
chrome (have not tried anything else yet)
malwarebytes (virus protection) yes i have turned it off and on after same result
Yes it worked before on my old PC (same specs)
This is an admin account
8GB of RAM 102 GB free on (c:) drive

When working on word file or watching a film on safari my screen starts flickering and then disappears

Dear All,
When working on word file or watching a film on safari my screen starts flickering and then disappears? Is it dangereus? What does it mean?
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FMirza

Go to another Optometrist and get a second opinion or see an Ophthalmologist.
Ciao.

(MacBook 2014 model) most of keybord stopped working can't login. Restarted, screen started flashing bootup was slow and but no success. Tried safe boot but still no effect. Any suggestions please!! Urgentw

(MacBook 2014 model) most of keybord stopped working can't login. Restarted, screen started flashing bootup was slow and but no success. Tried safe boot but still no effect. Any suggestions please!! Urgentw

Try SMC and NVRAM resets:
https://support.apple.com/en-us/HT201295
https://support.apple.com/en-us/HT204063
Then try the safe boot again:
https://support.apple.com/en-us/HT201262
If no success, make an appointment at an Apple store genius bar for a FREE evaluation.
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HDMI into TV - MacBook screen starts flashing

Hey
Basically tried to plug my macbook into my TV bu using the HDMI port it worked fine for maybe 10 minutes but after that the laptops screen started flashing like the refresh rate or resolution wasn't coping properly?
anybody had this before and anything to be worried about?

Howdy Sigh me,
If you are having an issue with your MacBook Pro's display reacting badly when connected to an external display, I would suggest that you troubleshoot using the steps in this article -
Apple computers: Troubleshooting issues with video on internal or external displays - Apple Support
Thanks for using Apple Support Communities.
Best,
Brett L

After forced check my screen start flashing

I'm writing from my windows pc now (unfortunately) since on my arch linux pc i got a big problem, i have rebooted it the normal way (# reboot) but after rebooting i had forced check and it had to reboot again, after that he passed the check, now comes the problem, i see the nvidia logo as usual and after few seconds i see the pointer, after few moment (not even a second) the screen starts flashing, changing from the nvidia logo to the mouse then to some other screen which i can't see what is, between the changes there is a pause of 3 second with completely black screen, i really don't know what to do..
Edit: on the each force check there are many Ext-2-fs error ext2_lookup: deleted inode referenced
Last edited by aleksa (2010-02-02 21:56:46)

Resolved the problem, in level 1 i edited deamon deleting gdm then reboot and in level 3 i run x server which said that the problem is libpng12 (new cairo bug), so i just run a full system update followed by a reboot and rewriting gdm in deamon and it was all ok. It was completely my bad.

Drop Down in ALV Flashes and Disappears.

Hi All,
I have a strange issue going on. In an ALV (built on CL_GUI_ALV_GRID) I have got an editable field with a drop down option.Now lets say I have 10 rows in an ALV. I chose an entry from the drop down in one of the rows (this happens OK) and immediately after that I go on a click on drop down for any other row. What happens is that the drop down for the new row that I am in flashes and disappears. Now if I click for the drop down again the drop down appears. Basically whenever an entry is selected in one of the rows, drop down function immediately after that does not work. I have a feeling that it has something to do with the data _changed event but I am not sure how to handle that event.
I saw a similar thread [ALV Menu Flash|ALV HANDLE_DATA_CHANGED_FINISHED; but could not figure it out.
Any suggestions ?
Thanks
Anuj

Hi,
Let us see the code and check it
Make the necessary changes at the fieldcatalog
clear ls_fcat.
ls_fcat-fieldname = 'COURSE'.
ls_fcat-col_pos = 5.
ls_fcat-coltext = 'Course'.
ls_fcat-outputlen = 10.
ls_fcat-DRDN_HNDL = 25.
ls_fcat-edit = 'X'.
APPEND ls_fcat to lt_fcat.
and in the class cl_gui_alv_grid we have one method SET_DROP_DOWN_TABLE
and it is having one parameter called iT_DROPDOWN of type LVC_T_DROP
generate the internal table and call the method set_drop_down_table
clear ls_drop.
ls_drop-handle = '25'.
ls_drop-value = 'ABAP'.
append ls_drop to lt_drop.
clear ls_drop.
ls_drop-handle = '25'.
ls_drop-value = 'CRM'.
append ls_drop to lt_drop.
clear ls_drop.
ls_drop-handle = '25'.
ls_drop-value = 'WEBDYNPRO'.
append ls_drop to lt_drop.
CALL METHOD o_grid->set_drop_down_table
EXPORTING
it_drop_down = lt_drop.
Thanks & Regards.
Raghunadh.K

Why the painted content flash and disappear?

I try to run a simple code example from java almanac site but the painted content just flash and disappear. Can any people help to find the reason? Thanks in advance.
Below are the code:
package font;
import java.text.AttributedString;
import java.awt.*;
import java.awt.font.LineBreakMeasurer;
import java.awt.font.TextLayout;
import javax.swing.*;
public class DrawParagraphDemo extends JPanel {
    public DrawParagraphDemo() {
        this.setPreferredSize(new Dimension(500,500));
     * Create the GUI and show it. For thread safety,
     * this method should be invoked from the
     * event-dispatching thread.
    private static void createAndShowGUI() {
        //Make sure we have nice window decorations.
        JFrame.setDefaultLookAndFeelDecorated(true);
        //Create and set up the window.
        JFrame frame = new JFrame("Demo");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        //Create and set up the content pane.
        DrawParagraphDemo demo = new DrawParagraphDemo();
        frame.setContentPane(demo);
        //Display the window.
        frame.pack();
        frame.setVisible(true);
        demo.drawParagraph((Graphics2D) demo.getGraphics(), "One line of test string", 400);
    public void drawParagraph(Graphics2D g, String paragraph, float width) {
        LineBreakMeasurer linebreaker = new LineBreakMeasurer(
            new AttributedString(paragraph).getIterator(), g.getFontRenderContext());
        float y = 0.0f;
        while (linebreaker.getPosition() < paragraph.length()) {
            TextLayout tl = linebreaker.nextLayout(width);
            System.out.println(tl);
            y += tl.getAscent();
            tl.draw(g, 0, y);
            y += tl.getDescent() + tl.getLeading();
    public static void main(String[] args) {
        //Schedule a job for the event-dispatching thread:
        //creating and showing this application's GUI.
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
}

Hi i have similar problem and i have followed Camickr's suggestion but it looks like my image was still being painted over here's my code
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.filechooser.*;
* FileChooserDemo2.java is a 1.4 application that requires these files:
*   ImageFileView.java
*   ImageFilter.java
*   ImagePreview.java
*   Utils.java
*   images/jpgIcon.gif (required by ImageFileView.java)
*   images/gifIcon.gif (required by ImageFileView.java)
*   images/tiffIcon.gif (required by ImageFileView.java)
*   images/pngIcon.png (required by ImageFileView.java)
public class Asst4 extends JPanel
                              implements ActionListener {
    static private String newline = "\n";
    private JTextArea log;
    private JFileChooser fc;
     private JPanel display,button;
     JButton load,grey,color;
     private Image image;
     static JComponent newContentPane;
    public Asst4() {
        super(new BorderLayout());
        //Create the log first, because the action listener
        //needs to refer to it.
          display=new JPanel();
          display.setOpaque(true);
          button=new JPanel();
          load=new JButton("Load Image");
          grey=new JButton("Greyscale Image");
          color=new JButton("Color Image");
          load.addActionListener(this);
          //display.setBackground(Color.BLACK);
          //System.out.println("displayable: "+isDisplayable()+" visible: "+isVisible()+" valid: "+isValid());
          //System.out.println("displayable: "+display.isDisplayable()+" visible: "+display.isVisible()+" valid: "+display.isValid());
          display.setSize(500,500);
          button.add(load, BorderLayout.WEST);
          button.add(grey, BorderLayout.CENTER);
          button.add(color, BorderLayout.EAST);
          add(button,BorderLayout.NORTH);
          add(display,BorderLayout.CENTER);
          setVisible(true);
    public void actionPerformed(ActionEvent e) {
               //Set up the file chooser.
               if (fc == null) {
                    fc = new JFileChooser();
                    //Add a custom file filter and disable the default
                    //(Accept All) file filter.
                    fc.addChoosableFileFilter(new ImageFilter());
                    fc.setAcceptAllFileFilterUsed(false);
                    //Add custom icons for file types.
                    fc.setFileView(new ImageFileView());
                    //Add the preview pane.
                    fc.setAccessory(new ImagePreview(fc));
                    //Show it.
               int returnVal = fc.showDialog(Asst4.this,"Load Image");
               //Process the results.
               if (returnVal == JFileChooser.APPROVE_OPTION) {
                    File file = fc.getSelectedFile();
                    Toolkit toolkit = Toolkit.getDefaultToolkit();
                    image = toolkit.getImage(file.getAbsolutePath());
                    MediaTracker mediaTracker = new MediaTracker(this);
                    mediaTracker.addImage(image,0);
                    try {
                       mediaTracker.waitForID(0);
                    } catch (InterruptedException ie) {
                       System.err.println(ie);
                       System.exit(1);
               } else {
                    System.out.println("Loading cancelled by user." );
               fc.setSelectedFile(null);
    protected void paintComponent(Graphics g)
          super.paintComponent(g); // this paints the background
          if(image!=null)
          drawImage(image);
    private void drawImage(Image image){
          Graphics2D g=(Graphics2D)display.getGraphics();
          g.drawImage(image,0,0,null);
     * Create the GUI and show it. For thread safety,
     * this method should be invoked from the
     * event-dispatching thread.
    private static void createAndShowGUI() {
        //Make sure we have nice window decorations.
        JFrame.setDefaultLookAndFeelDecorated(true);
        JDialog.setDefaultLookAndFeelDecorated(true);
        //Create and set up the window.
        JFrame frame = new JFrame("Compsci_375_Assignment_4");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        //Create and set up the content pane.
        newContentPane = new Asst4();
        newContentPane.setOpaque(true); //content panes must be opaque
        frame.setContentPane(newContentPane);
        //Display the window.
        frame.setBounds(50,50,500,500);
           //frame.pack();
        frame.setVisible(true);
    public static void main(String[] args) {
        //Schedule a job for the event-dispatching thread:
        //creating and showing this application's GUI.
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
}Can anyone tell me what's going on and also why if i pack the frame my display panel is disappear?
Thanks a lot

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When I click Add Bookmark the bookmark window takes a long time showing up and then starts appearing and disappearing.

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That is a problem with an AVG extension or toolbar (tavgp)
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If you have an LCD monitor, make sure it is running at its maximum resolution. After the dialog disappears, try pressing Alt + Spacebar, then M and see if you can find it on the edge of the screen and move it in by pressing arrow keys, press one a few times, then the opposite to bring it back if it didn't show up.

Installed windows 10 on my pavilion laptop and after startup the screen starts flashing

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"... I already deleted the software off the laptop, but that hasn't seem to fix the issue."
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Finder flashes and disappears at top. Computer dead on only one account.

My iMac G4 (800 mhz) running the latest update/version of Tiger is suddenly acting up on one account only. On other accounts, no problem. On the problem account, the finder bar appears and disappears about every second. I can start to open applications (Word, Safari, etc.), but they close before fully opening. No recent changes to the computer and only safe internet surfing (to the best of my knowledge).
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sudo -s
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After you finish removing the files type
exit
and hit Return.
Francine
Francine
Schwieder

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HI and Welcome to Apple Discussions...
If you cannot boot from your install disc, try booting in Safe Mode
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Screen starts flashes and disappears

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