Question about KDS Radius RAD-7 17" Flat Panel LCD Monitor

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The power light doesnt come on

No image comes on its as if the monitor isn't receiving any power.

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Check the caps and voltages in the power supply (you should have +5vdc (for logic) and +12~18vdc (for back lights).
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Posted on May 28, 2010

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My microtek 710s monitor won't connect to my graphics card. So, the monitor is VGA and connects to an adapter which changes it to DVI , into my card. Except the monitor won't turn on. And it did yesterday,...


Your monitor is 11 years old. If the power light does not come on make sure the monitor is plugged into an electrical outlet and the power cord is securely connected to the monitor. If the power light still does not come on then you most like have a defective monitor.

If the power light does come on and you are not receiving a display from your computer then try connecting the monitor to another device. If you connect it to another device a receive a display then you know the monitor is good. At that point either the DVI-VGA connector is not compatible with your monitor or there is a problem with your computer.

May 27, 2014 | Computers & Internet

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My hp v75 monitor doesn't come on. All the lights


Make sure the VGA cable is properly inserted to your pc and monitor

Jun 29, 2012 | Computers & Internet

1 Answer

Pisplay not shown


Display not shown?

1) Does the monitor show No Signal?
If so go on.

If not;

Use another known to be good monitor, and monitor cable, on your desktop computer. Be aware that the problem may be the monitor cable.

Or use your monitor cable, and monitor, on another KNOWN to be working computer.
The monitor isn't receiving a Video Signal. Means the signal is not reaching the monitor. Could just be a bad monitor cable.

2) If the monitor is good, and the monitor cable is good, the problem is the computer itself. The computer isn't working.

You may see LED lights light up, hear fans running, and maybe even the Harddrive spinning.

Problem could be the Power Supply.

A) IF, all of the LED lights were on at once, they would use less than 1 Watt of power.

B) EACH fan only uses 2 to 3 Watts of power.

C) A typical Processor can use 51 to 125 Watts of power. Just depends on what Processor it is.
(Older Intel Pentium III processors, and AMD Athlon processors, use less power than 51 Watts)

Not enough power? BIOS will not turn the Processor on.

Solution is to test the Power Supply's 3 main voltage power rails, or use another KNOWN to be good, COMPATIBLE power supply, for a test unit.

The 3 main voltage power rails are;

A) 3.3 Volt power rail

B) 5 Volt power rail

C) 12 Volt power rail

Test is done with an economical Multimeter, set to DC Voltage.

Post the model number of the IBM Netvista desktop computer. You will find it on the back of the computer, next to the Windows product key,
(XXXXX-XXXXX-XXXXX-XXXXX-XXXXX), or up on the side of the computer tower.

Post in a Comment.

Regards,
joecoolvette

May 20, 2012 | IBM NetVista PC Desktop

1 Answer

Monitor will not boot up is reading no input signal


So either the computer isn't generating a video signal, the cable isn't carrying the signal to the monitor, or else the monitor isn't capable of receiving a video signal.To test this, first try a video cable that you know is good, in case your cable is bad, If it works with the other cable, the problem was your original video cable. If it still doesn't work, put your original cable back, and hook another computer up to the monitor. If the monitor makes the same message, the problem is with the monitor. If the other computer works when connected to this monitor, your problem was that the original computer isn't booting (which could be due to several reasons I will list below), or the video adapter is broken.Possible reasons for the computer not booting: bad power supply, bad power button, bad hard drive, bad memory, bad motherboard component. If you determine that it isn't booting, unplug everything except the keyboard mouse monitor and power cord, to see if that makes a difference. If it boots after that, something you unplugged was causing the problem, plug them each back in one by one, rebooting in between, and when it stops booting properly, the last thing you plugged in is causing the problem.

Mar 02, 2012 | Acer Computers & Internet

2 Answers

Gateway monitor 2100 won't turn screen on, blue lite is on as if monitor is. but screen is not on. can it be fuse or what ? is not v-card


It sounds like the lamp for your monitor is no longer receiving power. While you can attempt to fix this issue yourself I wouldn't recommend doing so as it doesn't mean it will work after you attempt it.
If the monitor is under warranty still then you should contact the manufacturer about a RMA. If the monitor isn't under warranty then you should purchase a new monitor.

Nov 26, 2011 | Gateway Computers & Internet

1 Answer

Acer 1916W No image on screen any more.


As you can see at photos I post on photobucket.com, you will see mot monitors are bad due to bad caps. http://s807.photobucket.com/home/budm/allalbums
You should replace them with LOW ESR 105C caps, I use PANASONIC FM or FC series from DIGIKEY, otherwise they will not last.

Feb 06, 2010 | Acer AL1916W 19" LCD Monitor

1 Answer

Monitor comes on, then goes back off, rinse, repeat.


Well here is a test you can do. When the monitor goes black, take a flash light and hold at it a angle towards the monitor, if you can still faintly see the image then you have a blacklight/inverter issue. Another common issue with this is the capacitors on the inside. They will also cause this. If you dont see an image then the inverter will need replacing. As the steps for replacing all of this are quite long, ill post a few helpful tuts :).

For replacing the backlight:
http://www.inventgeek.com/Projects/shorts/overview.aspx
For checking/replacing bad capacitors:
http://www.wizardanswers.com/liquidvideorepair.html

I know these arent your monitor but its generally the same idea with all of them. If this doesnt work it will be a inverter issue and if it comes to that just let me know and ill be glad to help :D


Jul 14, 2009 | Princeton Digital VL1918 Monitor

1 Answer

Computer monitor comes on for 1 seconds, flashes "analog power save mode" and then goes black.


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.

Hope this helps.

Jun 01, 2008 | Computers & Internet

2 Answers

Monitor won't come on


Check the power cable of the monitor make sure everything is properly connected.

May 10, 2008 | Acer AL718 17" Flat Panel LCD Monitor

1 Answer

HP desktop monitor problem


hi try this ,,,
  1. Ensure the video cable is connected (and connected to the correct video port).
  2. Turn off the monitor using the monitor's power button and then restart the monitor.
  3. Cycle the power on the monitor as follows:
  4. Turn off the monitor. The power light on the monitor should be off. Leave the computer turned on.
  5. Unplug the power cord.
  6. Wait 5 seconds.
  7. Plug in the power cord.
  8. Press the power button on the monitor to turn on the monitor. One of two things happens:
    1. The image from the computer displays on the monitor and you can use the computer again. This indicates that the monitor was unable to detect that the computer had awakened from suspend mode. Turn the monitor off when it is not being used or disable suspend mode. For some computers, updating the BIOS corrects these types of suspend problems.
    2. The power light on the monitor comes on but the screen displays one of the messages again. The monitor is not receiving a video signal from the computer that it can detect and use. Continue using these steps to adjust the Windows display resolution to the Monitor's native (default) resolution
    3. Connect the monitor to another computer that you know is working to determine if the monitor should be serviced or replaced:
      • If the monitor displays an image from another computer, you know that the monitor works. Troubleshoot the video connection and graphics adapter on the computer.
      • If the monitor remain blank when connected to another computer, the monitor signal processing hardware may be bad. The monitor should be repaired or replaced.
      hope it will work for u .. little_angel

Apr 30, 2008 | HP Pavilion a305w (DM181AR) PC Desktop

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