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I have a problem with my monitor Sun GDM-5010PT!

When not connect cable from CPU to monitor, it's good. When connect cable to CPU, sometimes it's good sometimes it does not identify screen mode (polar of H-synch and V-synch signals), it mean screen is distorted.
I think microcontroller MB90550A works unstable.

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Re: I have a problem with my monitor Sun GDM-5010PT!

Im confused?!
1. How is when NOT CONNECTED "good" Do you mean that you can see and change the configuration menus?
2. Do you have installed a VGA/13W3 adapter between computer and monitor?
3. Have you changed ie swapped out the components?
a. video card
b. cable
c. monitor
4. Sun Monitors are the ultimit plug and play calbe;
0-0.0.0 NA
1-0.0.1 Reserved
2-0.1.0 1280 x1024, 76hz
3-0.1.1 1152 x900, 66
4-1.0.0 1152 x900, 76 (19in)
5-1.0.1 Reserved
6-1.1.0 1152 x900, 76 (17in)
7-1.1.1 No Monitor Connected

Posted on Feb 11, 2008

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To get monitor work for you, you should connect the VGA cable to CPU. When you remove the VGA cable, monitor has got nothing to display so it goes in stand by mode with orange LED on.

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Ibm e74 monitor is no but signals is showing one time only 2 second than Blak screen power led alos on, one time eht is on than is off

Hi.try use other monitor connect to your CPU. if it's running good problem of your monitor data cable CPU to monitor. you need to trace loose wiring or pin of cable to CPU maybe loose.
See attach picture.


Jun 18, 2011 | Computer Monitors

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Monitor does not activate when computer is turned on - it goes blank - when you press a button on the front of the monitor it states that the computer is in in sleep mode press any key to activate - the...

May be the problem comes from the Cpu.
Try to see if the cable from the monitor is firmly connected to the cpu.
One thing more may be the vga card is having problem.
Try to test the screen with another Cpu. Or the cpu with another monitor.
The amber mode is normal as the screen is not receiving signal from the cpu.
At times the memory chip also report this problem (no display or sleep mode)
Do hear any beep sound or any other Errors??
OK try this
Cheers Uttam

Jun 12, 2010 | Dell E176FP 17" LCD Monitor

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Monitor power light blinks, then goes out. PC screen goes black.

Unplugging the power cord repeatedly is not a good idea! I hope this helps: 1- After you get a picture, go to "Device manager" (Click on Start-Programs-settings-device manager) and make sure that there is not question or an exclamation mark next to Monitors. If that is the case you might need to reinstall the driver! 2- Make sure that your video card is not faulty by hooking up a different monitor and see if it is working ok. If you still have the same problem, then you need to replace the video card. 3- Check all cables and power cords and make sure that there's good connectivity on all ends (before powering up the machine) and that there are no nicks or cuts. If possible try replacing the monitor's data cable as well. Good luck

Apr 24, 2010 | HP Vs17 17" LCD Flat Panel Monitor

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Black "tail" lines after every sentence and graphic on screen

same thing with my Envision 22" LCD. I tightened the VGA cable @ the CPU. All fixed.!! Check cable at both monitor and CPU. Replace cable. Check video card in motherboard. Try DVI cable if you have the connections. Good luck

Mar 01, 2010 | Dell E207WFP LCD Monitor

1 Answer

My Samsung syncmaster 730a monitor wont come on. the green light is solid but screen is black. could i have done something or might it have gone bad?

Hi friend,

You need you check your display cable. it should be connected in your CPU. sometime cable lose in CPU..then monitor not given any display ...

Dec 20, 2009 | Samsung SyncMaster 753S 17" CRT Monitor

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My aunties monitor ,when she turn it on the monitor the power saving mode appears.

make sure data cable is connected from both end......One from CPU side and other from LCD side.

Oct 14, 2009 | LG Flatron L1750S 17" LCD Monitor

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For the past week, when my Sceptre LCD monitor goes to sleep after inactivity, it won't restart immediately. The blue LED blinks every second or so; eventually, the screen begins to flash the display, and...

Hello there Jake.

Here's your geek-steer ...

  • When you say "sleep", are you certain it's sleep mode, as opposed to hibernate?
  • " won't restart immediately." ... you do mean of course AFTER you've given keyboard or mouse input, right?
  • "...the screen begins to flash the display" ... literally flash, as in strobe? Or do you just mean flash, as in "shows".
  • "...Sometimes the whole process takes five minutes, sometimes an hour." ... ???!!! If it takes anything longer than few/several moments, that's very abnormal, even if hibernate mode.
  • "...I can't find the documentation." ... not important, at least not at this point.


1. Shutdown
2. Turn off PC and monitor
3. wait 5 minutes
4. unplug all cables/cords connected to monitor (both ends)
5. inspect/clean connect points
6. reconnect all cables/cords
7. plug monitor back in
8. startup system
9. try to duplicate problem


I'm curious to know what all your "Processes" are doing during this very delayed period of time. By knowing that, you can see which one(s) are running, and which of them are probably crunching hard at the CPU, which MAY explain the delay (I don't know about an hour, but minutes ... yes).

Do you have a "Processes" monitor utility of any kind? If not, get SysInternals' "Process Explorer" (no installation required, just unpack and launch). Make sure at least the "CPU History" item is included in the column header (View > Select Columns). Once launched, allow it to sleep.

Just as soon as able, after it comes out of sleep, review Process Explorer. What, if any, processes are hogging CPU? Post that back, and I suspect we may be a lot closer to a solution.


You might also hook up this monitor to a "known good" (functioning properly) PC with like "screen saver" and "power options" settings. If problem not encountered, you can at least isolate the problem to solely the monitor. However, if the only time you encounter problem with monitor is isolated to when coming out of sleep, this is likely a long-shot.

Good luck Jake, and please do post back ...
  • to let me (and interested others) know how things worked out,
  • to provide clarification or feedback.
  • if you have any further questions,
"Today's the best day of my life ... and NOW you're part of it!"
Via-con-Dios and Godspeed -- Geekinator (aka Craig).

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remove the connection of your monitor from the cpu then wait if some message will appear on the screen it goes like:1. power saving mode check cable, 2. no signal. if this appear better check the cpu.

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check your numlock key presss it then check numlock led if it on /off then your computer gives dispaly to monitor perfact then when you power up ther computer press F8 key then enter in enable vga mode if you see safe mode and other mennu.
But if you can't able to see those menu then you have to check your monitor to cpu vga cable connection.
Also check your monitor is properly working? or not.

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