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Re: Dell Monitor Not Working
Well if the status of the LEd on the monitor is amber(orange) & the system is running on a on board video card & not a Add-on video card... it is a possibility the the integrated video card ot the mother board might have gone bad... either contact a local tech or the tech support for the computer...
also unplug the monitor cable from the system tower & then if you see that there are the bars moving which say monitor self test on... means tht the problem is with the video card or the mother board...
since the system is running on a integrated video card...
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A computer monitor has a front-mounted LED that displays its current status and flashes in the event of an error. When an error occurs, the flashing may be accompanied by an error message on the screen. If the screen does not display an error message, the problem most likely falls into one of four common categories.
Unsupported Display Mode A video card has the ability to send output to the monitor at many display resolutions and refresh rates. However, no single monitor is capable of supporting every possible display mode. When the video card sends an unsupported display mode to the monitor, the monitor shuts off to prevent damage and blinks, or displays an error message. Standby Mode b> When a monitor detects no video signal from the computer, it assumes that you have turned the computer off and enters standby mode to reduce power consumption. Dell and HP monitors display an amber light when in standby mode. The status light on an Apple monitor blinks slowly. Incorrect Power Supply Some monitors such as certain Apple Cinema and Studio displays use external power adapters. Because different power adapters may have similar connectors, these monitors are designed to detect when an incorrect power supply is connected and blink the status LED rather than attempting to turn on. In the case of an Apple display, the LED blinks in an alternating short and long pattern. b> Backlight Failure b> A flat panel LCD display has an LED or fluorescent backlight that illuminates the pixels and makes it possible to see the contents of the screen. If the backlight fails and requires replacement, the monitor is unable to display any information. In some cases, you may be able to resolve this issue by turning the monitor and computer off, disconnecting and reseating all cables. If the monitor still has a backlight issue, it requires professional service.
Do you see an orange light on the monitor anywhere? Usually the light
turns green when the monitor comes on, but its orange when in "standby"
mode. If your monitor is plugged in and you get an orange light, that
usually means that your video card has gone out on your computer. When
your video card goes out, the monitor doesn't receive a signal from your
computer, so it
doesn't know it is suppose to turn on. So if this is the case, you need
to replace the video card on your computer
If your monitor
doesn't turn on whatsoever, and everything is plugged in correctly, then
you need to get a new monitor or send this one back to the manufacturer
for a defective replacement.
Do you see an orange light on the monitor anywhere? Usually the light turns green when the monitor comes on, but its orange when in "standby" mode. If your monitor is plugged in and you get an orange light, that usually means that your video card has gone out on your computer. When your video card goes out, the monitor doesn't receive a signal from your computer, so it doesn't know it is suppose to turn on. So if this is the case, you need to replace the video card on your computer
If your monitor doesn't turn on whatsoever, and everything is plugged in correctly, then you need to get a new monitor or send this one back to the manufacturer for a defective replacement.
Take off the monitor and hook up another known working monitor to the computer and turn the computer and monitor on. If the computer turns on with video then you know the original monitor is bad and would need to be replaced.
Hi, First, verify the monitor is functional. Monitor STFC (Self Test Feature Check) Turn off the monitor Plug the monitor power cord directly into the wall socket to remove any surge protectors or APCs from the troubleshooting equation Unplug the monitor video cable from the back of the computer Turn on the monitor The floating dialog box should appear on screen against a black background. If the issue appears during the STFC, the monitor is defective. What are the results please?
It could be your monitor is fine. It simply goes to a cycle when its turned on and does not detect any signal coming from your CPU, it simply goes on standby mode (hence the darker image and orange/blinking light.) have you checked the computer (CPU) part?
Please disconnect the Monitor Data cable from Computer. If you see Dell Colored bars, it means, monitor is working fine, If still black, please ask for replacement, since Monitors have 3 years of warranty if not purchased with the computer.
Now connect the cable back to computer and turn the computer off by holding the power button on computer and turn it back on...
Blinking Green shows that computer is in sleep mode......
This monitor is know for a lot of parts that go bad, luckily they are usually the same ones.
If you are a technician or know one who can help you. Below is a list of part to repair/replace once the case is opened. (dont try this if your unfamilier with working on electronics.
1) F601= 2A Fuse 2) C605= 68uf 400v (must change) 3) R615= 0.68ohm 1watt 4) Q601= SSS6N60A 5) R613= 1Kohm 1/8watt (value changed to 2.3Kohm or higher) 6) R623= 4.7ohm 1/8watt (value changed to 7.2ohm or higher) 7) D604= 1N4148 8) IC601=UC3842B 9) C707 & C703= 1000uF 16V (must change, because of bad ESR value) secondary filter capacitor.
This problem of dell e151fp lcd monitor, you just need to resolder the inverter section (bad points or dry joint) and also check the capacitor value with ESR meter. It will solve your problems.