Samsung screen goes black, comes back on and graphics are scrambled
Hi everyone, i know there are a number of questions regarding monitors going black but i have not found a solution to mine.
I am running windows xp sp2 and have a 17 in Samsung syncmaster 172n as my primary monitor running to my brand new galaxy 8600gt video card via the vga port, i am running my hitachi 32inch lcd tv as a secondary monitor (eg, extend windows desktop), the tv is connected via vga but through the dvi port via an adaptor. The issue i am having is that while i am working on my pc using the small lcd the screen will go black at random times (especially when i am doing a number of things) then come back on, this is annoying enough but sometimes when it comes back on the graphics are all scrambled, sometimes if i leave it for a minute it corrects itself, others i have to disconnect the vga and plug it back in but even then i may need to do it three or four times to correct itself.
My mother board is a Gigabyte GA-81945P-G-RH and i experienced this problem on my previous gigabyte video card (hence why i bought the galaxy) but i am still having the same problem.
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wunder558, Check the back of the monitor for correct model number and DOM. Is it an E171FPD ? Could be bad (failed) "lay on floor or internal "switch-mode-power-supply" !! This unit could be 5 - 6 years old!!! Have you checked cost of new same screen size lately? What is approx total "ON" hours unit has seen during it's lifetime? Are all connections (cables) still tight? If you are technicially inclined, visit some sites that deal with refurbishing LCD monitors with new "cold-cathode-fluorescent-lamps" and "inverter" power supplies that light them up. Do some reading in my FIXYA profile to understand the technology you are dealing with. The technology behind your monitor NO DIFFERENT than any other CCFL back-lit LCD monitor. Come back to fixya to let us and everyone else know what you decide to do about your black or black and blank lcd monitor. 12fixlouie All the information you need to make decision can be found on FIXYA.
this happens with a few monitors and some graphics cards. if you connect your monitor through a DVI cable, try connecting it through an analog cable. if possible change your graphics card, that should solve it completely.
dose the standby button go orange, if it dose then the screen is going back in to standy, its possible that your graphics card is having problems, maybe if you put some more informationt about what happens then you could get better help.
The problem I have is that when we connect the screen it wiorks fine then blacks out after 5-40min It then flickers on and off iregularly and every now and then shows distortion and eventually just blacks out
I have two 172N monitors and both now show the same symptoms
We have used different VGA cables and different computers in different locations all with the same result
Remember, when dealing with monitors, the process of elimination is the best. To elaborate this, it means, connect a similar monitor (if you can convince someone to lend you temporarily just to check if it works on your PC) if that works fine, then your monitor is faulty but if the other monitor behaves in the same manner as yours, then the fault could be in the Graphics section of your motherboard. (whether onboard or a graphics card whatever might be the case)
There is one more thing you might be missing out. Go to Display settings in your Control Panel and in that go to the Settings tag in that click on the Monitor Tag and in that check the frequency in Hertz that is selected. change that one by one and see if that helps. Only if your efforts here prove futile, then do as I told you earlier in this note.
If the monitor is found to be faulty, get it rectified by taking it to an authorised service center but if the motherboard's graphics section is faulty then ther are 2 options...
1.) If the graphics is an On-board one (which they normally are nowadays) then disable it from CMOS and add an external graphics card in either AGP or PCI (anyone you get from the market... depends on your requirements) restart and see if this helps. I feel its the best logical way it could be done.
For me it seams that the problem is on the graphic board that doesn't have enought energy to send information to the monitor.
I sugest that you try another graphic board or another monitor on the same graphic board.