Visit Our UNIX and Linux User Community

Full Discussion: Black Screen
Operating Systems Linux Red Hat Black Screen Post 302672043 by admin_xor on Sunday 15th of July 2012 05:13:29 PM
Old 07-15-2012
What is your default runlevel? If it's not 5, then did you manually start X server? Have you tried accessing one of the virtual terminals by pressing ALT+CTRL+F1 etc? Have you checked /var/log/Xorg.0.log file for any errors?
Test Your Knowledge in Computers #519
Difficulty: Easy
3,201 = 0b110010000001
True or False?

8 More Discussions You Might Find Interesting

1. SCO

Black Screen SCO Real. 5 (intel platform)

Hi everyone, I am new in here. I have to work on a system where nothing is showing up on the screen. I am suspecting an hardware issue, can anyone help me with this? Thanks for your input BB (4 Replies)
Discussion started by: labcc
4 Replies

2. Shell Programming and Scripting

Get Black Screen for 10secs

I was thinking if there is a way that i can go about making my screen go black automatically for about 10seconds, (with a message like "take a break" printed on the screen) and after 10seconds everything comes back to normal.... is there any way that i can do this...??? to further clarify the... (2 Replies)
Discussion started by: c_d
2 Replies

3. Hardware

qosmio f50-freeze when trying to update bios-black screen

Hi! I own a Qosmio f50 laptop and today i download the file from toshiba to update my bios. Everything went well until installer reaches block 16 when system freezes. I left it half an hour and then tried to power-off the pc with the button, but it dont. I unplug the ac-adaptor and the battery and... (0 Replies)
Discussion started by: giampoul
0 Replies

4. UNIX for Dummies Questions & Answers

Screen Goes Black When Run startx

Have - HP G4p DL360 SCSI version (*see below of pdf of server basics if needed) Scientific Linux live-cd.iso Issue - When it boots off the LiveCD, all starts swell, but if I install the OS normal it goes to a black monitor.... If I install text only, it works and when done I am at the... (4 Replies)
Discussion started by: sas
4 Replies

5. UNIX Desktop Questions & Answers

Boot problem after updates, Ubuntu, black screen and cursor

I hope this is the correct forum, please forgive a newbie. Hi all, New to linux, ubuntu, and this forum. I have enjoyed ubuntu for the past few months, but after my last update installation ubuntu would boot to a black screen and blinking cursor. If I let it sit for a while it would give the... (0 Replies)
Discussion started by: nutoubuntu
0 Replies

6. Linux

Cannot boot as usuall , turn to black screen & ask for loging in ???? Help me????

Hey guys..... Im new user for linux fedora 20.... i really need help ....... i have no idea why suddently when i turn on my laptop fedora turn to be black screen and ask me loging in , when i loging then nothing happen , it stay at the same screen... then i try to go to "with linux secure...,"... (12 Replies)
Discussion started by: asianfootball
12 Replies

7. HP-UX

HP-UX server boots to black graphical screen

hello all, please can you help me crack this.... i have an hp-ux server which when after booting it does not completely boot to graphical. it stops aa black screen with only an hour glass showing. at this stage only the mouse responds but the keyboard does not respond. any idea to find... (5 Replies)
Discussion started by: steveGH
5 Replies

8. Shell Programming and Scripting

Showing a black screen

Hi all, Is there a way, on the command line, to show a black screen WITHOUT turning off the monitor? Also, is there a way to make the computer show the last screen before the black screen as soon as the user interacts with it? I know that there are various ways to turn off the computer, or... (8 Replies)
Discussion started by: Zel2008
8 Replies
BlackPixelOfScreen(3)						  XLIB FUNCTIONS					     BlackPixelOfScreen(3)

BlackPixelOfScreen, WhitePixelOfScreen, CellsOfScreen, DefaultColormapOfScreen, DefaultDepthOfScreen, DefaultGCOfScreen, DefaultVisualOf- Screen, DoesBackingStore, DoesSaveUnders, DisplayOfScreen, XScreenNumberOfScreen, EventMaskOfScreen, HeightOfScreen, HeightMMOfScreen, Max- CmapsOfScreen, MinCmapsOfScreen, PlanesOfScreen, RootWindowOfScreen, WidthOfScreen, WidthMMOfScreen - screen information functions and macros SYNTAX
unsigned long BlackPixelOfScreen(Screen *screen); unsigned long WhitePixelOfScreen(Screen *screen); int CellsOfScreen(Screen *screen); Colormap DefaultColormapOfScreen(Screen *screen); int DefaultDepthOfScreen(Screen *screen); GC DefaultGCOfScreen(Screen *screen); Visual *DefaultVisualOfScreen(Screen *screen); int DoesBackingStore(Screen *screen); Bool DoesSaveUnders(Screen *screen); Display *DisplayOfScreen(Screen *screen); int XScreenNumberOfScreen(Screen *screen); long EventMaskOfScreen(Screen *screen); int HeightOfScreen(Screen *screen); int HeightMMOfScreen(Screen *screen); int MaxCmapsOfScreen(Screen *screen); int MinCmapsOfScreen(Screen *screen); int PlanesOfScreen(Screen *screen); Window RootWindowOfScreen(Screen *screen); int WidthOfScreen(Screen *screen); int WidthMMOfScreen(Screen *screen); ARGUMENTS
screen Specifies the appropriate Screen structure. DESCRIPTION
The BlackPixelOfScreen macro returns the black pixel value of the specified screen. The WhitePixelOfScreen macro returns the white pixel value of the specified screen. The CellsOfScreen macro returns the number of colormap cells in the default colormap of the specified screen. The DefaultColormapOfScreen macro returns the default colormap of the specified screen. The DefaultDepthOfScreen macro returns the default depth of the root window of the specified screen. The DefaultGCOfScreen macro returns the default GC of the specified screen, which has the same depth as the root window of the screen. The DefaultVisualOfScreen macro returns the default visual of the specified screen. The DoesBackingStore macro returns WhenMapped, NotUseful, or Always, which indicate whether the screen supports backing stores. The DoesSaveUnders macro returns a Boolean value indicating whether the screen supports save unders. The DisplayOfScreen macro returns the display of the specified screen. The XScreenNumberOfScreen function returns the screen index number of the specified screen. The EventMaskOfScreen macro returns the root event mask of the root window for the specified screen at connection setup. The HeightOfScreen macro returns the height of the specified screen. The HeightMMOfScreen macro returns the height of the specified screen in millimeters. The MaxCmapsOfScreen macro returns the maximum number of installed colormaps supported by the specified screen. The MinCmapsOfScreen macro returns the minimum number of installed colormaps supported by the specified screen. The PlanesOfScreen macro returns the number of planes in the root window of the specified screen. The RootWindowOfScreen macro returns the root window of the specified screen. The WidthOfScreen macro returns the width of the specified screen. The WidthMMOfScreen macro returns the width of the specified screen in millimeters. SEE ALSO
AllPlanes(3), ImageByteOrder(3), IsCursorKey(3) Xlib - C Language X Interface X Version 11 libX11 1.6.0 BlackPixelOfScreen(3)

Featured Tech Videos

All times are GMT -4. The time now is 07:27 PM.
Unix & Linux Forums Content Copyright 1993-2021. All Rights Reserved.
Privacy Policy