Question about E-Machines eMachines Monitor E15T4

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When I start my computer, the monitor shows the message "No Signal R G B" The colors are off. I get Blue, no red and a distorted green. Sometimes the colors are perfect. It's a 15" TFT LCD monitor

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If all connections are tight. See if someone has a laptop or another PC to hookup to the monitor to pinpoint if its a video card issue or a monitor related issue.

Posted on Apr 26, 2010

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Posted on Jan 02, 2017

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1 Answer

My moniter is showing no signal with 3 colored stripes g on green r on red b on blue. I have a wireless logitech mouse and keyboard and the reciever is not showing the 2 green lights meaning its on. Do I...


ok your monitor is a separate issue and start by checking the blue signal lead from the back of the monitor because for some reason the monitor isn't getting any images to show

Feb 02, 2012 | Gateway Computers & Internet

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My smasung monitor sync master 753 vga connector broken, what is color scheme for new connector


Hi,

Colour scheme to re wire is as follows...

db15-vga-connector-schematic-thumb.png
Pin Name Function 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
RED
GREEN
BLUE
n/c
GND
RED_RTN
GREEN_RTN
BLUE_RTN
VDC
GND
n/c
SDA
HSYNC
VSYNC
SLC
Red Video
Green Video
Blue Video
not connected
Signal Ground
Red Ground
Green Ground
Blue Ground
5 VDC supply (fused)
Signal Ground
not connected
DDC/I2C data
Horizontal Sycn
Vertical Sycn
DDC/I2C Clock


Hope this helps!!

Jul 19, 2011 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

My dell inspiron 530 shows a block with red, white, green, and read, can't get to the my programs????


That "red white green and blue" block is a color pattern tester. that means the monitor is on, but is not receiving a signal, so its running tests. If your monitor has Digital input and VGA input, you may just need to switch inputs. Look for 1 or VGA if youre using the blue hook up. look for 2 or digital or dvi if youre using the larger white hook up. Some monitors also have 'auto detect'. If you are in "auto detect' bbut the color box is still there, then your monitor is not receiving video signal from the computer. It could indicate a bad cable or no signal being sent by the machine. If you try another monitor, you can see if the machine is working. I would try a monitor setting for VGA-1 first, since thats most common.

Jun 25, 2010 | Dell Inspiron 530 Desktop Computer

2 Answers

Power on - blank (black) screen


Disconnect the monitor signal cable from PC and switch on your monitor. It should show some logo with Red, Green and Blue colors with a message similar to "No signal". If so, your monitor is working fine. Sometimes if the brightness and contrast is set to zero using controls present in the monitor, it will not show up anything. check wheather somebody set your monitor brightness and contrast to zero. If so incease them. As a last try connect to different PC and check before approaching a service center. I hope this will help you out. :)

Aug 21, 2009 | Dell E152FP 15" Flat Panel LCD Monitor

1 Answer

Shrinking of the display


The DB15 VGA (Video Graphics Array) connector contains however 15 pins in three rows of 5 pins each. These five pins carry the color and synchronisation signals, also a digital I2C interface for two-way communication between the video controller and monitor. The common 15-pin VGA connector found on most video cards, computer monitors, high definition televisions which support VGA connections. The following schematic diagram and table shows respectively connector and pin assignment of DB15 VGA.

Pin
Name
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

RED
GREEN
BLUE
n/c
GND
RED_RTN
GREEN_RTN
BLUE_RTN
VDC
GND
n/c
SDA
HSYNC
VSYNC
SLC

Red Video
Green Video
Blue Video
not connected
Signal Ground
Red Ground
Green Ground
Blue Ground
5 VDC supply (fused)
Signal Ground
not connected
DDC/I2C data
Horizontal Sycn
Vertical Sycn
DDC/I2C Clock


Aug 10, 2009 | SAMTRON 55V 15" CRT Monitor

1 Answer

Crt monitor video chroma processing


first you check the signal cable continuty by multimeter then correct it if faulty .if ok then give -ve click at red cathode on crt base in on condition if red raster comes on screen then red cathode is ok same thing for green and blue cathode if green cathode do not shows green raster after -ve click then crt is faulty then give -ve click at R point at color raster ic which has heat sink if red color comes then ic is ok same thing for green and blue if ic is faulty then replace it if not then check bipolar capacitor if faulty then replace it

Sep 15, 2008 | AOC CT720G 17" CRT Monitor

1 Answer

Distorted color on image


You might have "color filter" settings. Turn the digital filters off. Here is what manual at p72 says. "You can take pictures using digital filters. The filters consist of color filters such as red, blue and green, a soft filter that produces a fuzzy effect. Color filters Eight colors, black-and-white, sepia, red, pink, violet, blue, green and yellow, are provided for the color filters. When you select a color filter in the Digital Filter mode, the display on the LCD monitor is filtered with the selected color, and the pictures are taken in that color."

Mar 20, 2007 | Pentax Optio 555 Digital Camera

6 Answers

15 pin VGA connector damaged.


i want to know that what is the color combination of vaga cable connector

Aug 28, 2006 | SAMTRON 55V 15" CRT Monitor

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