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.
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
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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.
The discoloration problem is due to the near by magnetic field appliances like speakers which are very near to monitors ... so what you have to do is just keep some distance to the monitor from the speakers and other magnetic appliances and then press menu button & just give degauss..
This is an indication that the monitor is not receiving a video signal from the computer. Check both ends of the video cable - both the connection to the monitor as well as the connection to your computer's video card, and make sure that both are secure. If the connections are secure and the problem persists, buy a replacement video cable. If that fails to fix the issue, try swapping out a different video card.
Do one think just plug out Monitor to CPU cable , just on monitor only if so can you able to see one small icon go top to bottom its like keyboard, if you can see that, you don't have any problem on your monitor.
step 1 - just remove ram slot and insert again try to ON your system now
step 2 - take your cpu and connect to other monitor and check where it getting on or not , if monitor get ON and work good mean you don't have problem with your CPU , problem was in monitor to cpu cable ,so change your monitor cable its just cost of 4 to 5 $.
step 3 - take your monitor connect to another CPU , check weather you getting same problem if it work good mean, your CPU motherboard have problem just call your hardware engr to solve it,
GOOD LUCK ! if your problem solved don't forget to rate
I think you have a faulty Power Supply, more than likely it is gonna be my old favorite faulty Electrolytic Capacitors, Intermittent problems are real tricky to fix, If ya handy you could try opening it up and having a squiz, look for any loose connections or "Swollen" Capacitors see if all the "Lights" are on etc, try gently "Tapping" around maybe it's a "Dry Joint" but my money is on the PSU. If ya can see a problem say Faulty Electro's replace with the same or better Temperature rating ... Good luck