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Display Power management is being triggered because no input signal was detected. Verify that the video source is connected and on. (Computer, notebook, etc). - Try another computer or laptop that you know is working properly. - Do you see any change on the screen if the display cord is completely disconnected (often a "Test" or "Check Cable" message appears).
- Inspect the signal cable from the monitor - worn? Any places where the cable was bent to an extremely small (acute) angle? (less than 75 degrees?) Try gently moving the cable around at either end and see if you get a partial signal on the screen (while connected to the computer). If you do, the signal cable is damaged, if possible replace it. try: www.monoprice.com
The monitor is possibly not receiving power. Perform the following steps to fix the problem:
Ensure that the electrical outlet and the monitor are both switched on.
Check that the power cord is firmly plugged into the electrical outlet and the power supply unit.
If the power cord has a removable fuse, replace it.
Try another power cord.
Try another electrical outlet.
Check the power connection at the back of the panel.
Screen is blank and power indicator is steady green
Brightness and Contrast may be too low. Adjust the brightness and contrast using the On-screen display controls (OSD) by selecting the button Screen is blank and power indicator is steady amber
The monitor is in the Power Management Standby state. The power management feature is invoked when the computer recognizes that you have not used your mouse or keyboard for a user-definable period. Perform the following steps to bring monitor out of the power management state:
Press any key on the keyboard or move the mouse to restore operation.
Check the Power Management software on your computer.
Press the (OK) key to switch between analog and digital mode. If the panel is the wrong mode for the signal being provided, the monitor appears to go into sleep mode.
Screen is blank and power indicator is flashing green
Display mode of the computer is outside the range of the monitor. The display mode the monitor uses is controlled by your computer. Therefore, you should refer to your computer's documentation for details on how to change display modes.
The image size, position and shape may change when the display mode changes. This is normal and the image can be readjusted using the IMAGE SETUP and the monitor controls.
Note: Unlike CRT monitors, which requires a high refresh rate to minimize flicker, TFT technology is inherently flicker-free. If possible, configure your computer for 1600 x 1200 addressability at 60Hz vertical refresh rate.
Use the following table as a guideline and reconfigure your computer to use a supported display mode. The highest resolution (for example, 1600 x 1200) produces the optimal output, but limitations of your monitor may prohibit this setting. Adjust the addressability mode until an image appears.
CHECK SIGNAL CABLE" message is shown and power indicator is steady amber.
The monitor is not receiving a video signal. Perform the following steps to fix the problem:
Check that the signal cable is firmly connected to your computer
Check that no pins are bent in the signal cable connector.
There are noises in the video signal. The IMAGE SETUP function is used to adjust the level of noise in the video signal which causes horizontal lines or areas where the image appears to be unstable and jitters or shimmers. This can be done automatically or manually. Note: It is not applicable to digital input.
Use the image setup fix the problem:
Select (Image Setup) menu in the OSD.
Select Manual to adjust CLOCK/PHASE settings.
Image appears to be discolored
The color setting may be incorrect. Perform the following steps to adjust the color settings:
Select (Image Properties) from the OSD menu.
Select (Color Properties) to adjust the color mode you find most comfortable or fine tune the colors using the Custom menu.
A few dots are missing, discolored, or inappropriately lighted
A small number missing, discolored, or lighted dots may be present on the screen, which is an intrinsic characteristic of the TFT LCD technology and is not an LCD defect. Using On-Screen display (OSD) controls
The settings adjustable with the user controls are viewed through the OSD. Press the (OK) button to display the main OSD menu.
OSD main menu:
Note: The LCD monitor needs time to become thermally stable the first time you turn it on each day. Thus, to achieve more accurate adjustments for parameters, allow the LCD monitor to warm up (be on) for 15 minutes before making any screen adjustments
After you plug the USB cable into the product and the computer, the error message 'Unknown Device ' displays on the computer. This document resolves this issue for Windows XP operating systems.
Try the following solutions in the order presented to resolve the issue. When one of the solutions resolves the issue, there is no need to continue troubleshooting.
Solution one: Check the USB connectionFollow these steps to test the USB connection between the HP product and your computer.
Step one: Inspect the USB cable and connection
The icon on the USB cable ( ) faces up when the cable connects to the product correctly. Check the back of your product and the back of your computer to make sure the USB cable connects correctly and securely.
Step two: Reset the printerAfter you resolve all potential USB conflicts, follow these steps to restart the HP product.
Press the Power button ( ) to turn off the product.
The product might not turn off after pressing the Power button. Continue to the next step regardless.
Disconnect the power cord from the rear of the product.
Unplug the power cord from the electrical outlet.
Wait 30 seconds.
Replug the power cord into the electrical outlet.
Reconnect the power cord to the rear of the product.
Press the Power button ( ) to turn on the product.
If the installation automatically continues and completes successfully , you do not need to continue troubleshooting.
If the installation does not automatically continue , restart the installation process.
If the issue persists , continue to the next solution.
THE COMPLETE INFORMATION IS IN THERE, also you can reset the printer
You first take post( power on self test) connect power cord & disconnect signal cable you will see massage no signal check siganl cable then problem will be in cpu this problem may be solved by cleaning dust in cpu if montor shows no display then problem will in monitor open it check o/p of smps if not disolder path of eht if o/p comes then eht is faulty replace it
If you have switched monitors and the problem persists, I would first look at your cabling, if you did not use the same cable on both monitors then the drivers would be suspect. Go to your video cards site and update the drivers after checking all your cables and connections, also check that the video card is properly seated on the motherboard (if its not integrated onto the motherboard). An easy way to check the monitors, is to plug them into another computer (EG: laptop) and they should have the same problem there, i doubt they will from the symptoms you are having. also try bypassing the UPS and plug the monitor straight into an extension cord or wall.
Remeber, try this in steps, not all at once, so you can tell what works..
It will do this when it's not getting a video signal from the computer. Make sure that the signal cable is firmly plugged in at both ends. Also verify that the computer is actually starting up. The monitor may not be getting a signal because the computer isn't sending any.
Most monitors will say "Power save mode" when they can tell through residual voltage that the signal lead is plugged into a machine, but there's no picture being transmitted. The four states of a monitor are:
* Off entirely. * Switched on, plugged into a computer but no video signal being received - usually displays "analog power save mode" or "digital power save mode" for a few seconds, then blanks. Comes back to life the moment a video signal is received. This state is the default in full power saving mode. * Switched on, not plugged into a computer. Some monitors don't display anything, some go into power saving mode, some fly "CHECK SIGNAL CABLE" or a similar message around the screen. Picture is restored when the signal cable is plugged back into the computer * On fully, receiving an image, and displaying.
if monitor is gave no siganl .Firstaly Check monitor Signal Cable For connected of ur system vga port. if Siganal cable is connected ur pc then Check ur System IF system is gave the Display anthore monitor . Then Proble is ur monitor signal Cable .So Plz Change Monitor Signale Cable.
Turn on the computer and complete the following steps:
Step 1: Check cable connections
(If you can see the initial HP or Compaq logo screen but later lose the picture, you can skip to Step 2.)
check the video cable connection on the back of the computer and on the monitor. Make sure that it is connected properly and the connecting screws are tight. Turn the monitor off and then back on again (while the computer is on) to see if an image appears.
Some Flat Panel monitors have two similar power input connections placed side-by-side on the back of the monitor, which sometimes allows them to get confused for one another.
One connector is used to supply power to the speakers with a separate power cord, while the other connector is used for the monitor's power adapter.
Ensure that you have the monitor's power adapter cord plugged into the power connector and not the speaker connector.
After you have reconnected the power cord, turn on the monitor (while the computer is on) to see if an image appears. If there is still no image, continue to the next Step.
Step 2: Resetting the monitor
At first setup, or under certain signal conditions, the monitor may not be able to switch to a new display resolution. Do NOT shut down or restart the computer. Instead, perform the following steps:
Turn off the monitor using the Power button on the front.
If the Power button does not respond, unplug the power cord from the back of monitor and wait five seconds.
Plug the power cord back in.
You should see the image from the computer on the screen.