My screen acts as if it's on energy-saving-mode but doesnt activate...
Had the screen for about 2½ years now. Worked like a charm until a week ago. It sarted acting as if it's on energy-saving-mode. Just that it doesn't activate when I move the mouse etc. Same thing if it does enter energy-saving-mode, it doesnt activate as it should.
Also seems as if the time for it to activate is increasing each time.
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alastairhaig, Is unit 4 years old? Could be problem with units switch-mode-power-supply if same thing occurs when connected to fully functioning different pc that has all screen saver and power save features disabled. After screen goes "black" do you still see the WIN-desktop screen and icon's if you hold a bright flashlight at different angles about 1 inch from the screen? SEE = power supply in "partial shutdown" mode. NO SEE = smps in "full shutdown" mode. Do some reading in my fixya profile about "black screen of death" repairs. also read FIXYA profiles of "budmrtn" "buddymc" and other fine profiles of technicians here on fixya. You will truly be amazed when you visit YOUTUBE for video clips of owners/technicians who save their cold cathode fluorescent lamp, back-lit lcd monitors from the "trash-heap"!!! After you do your research please return here and rate this response and possibly do additional comment. 12fixlouie
skeltonh, Have you connected your L170 to a different "known-good" PC that has ALL power-save and screen saver modes disabled? Have you connected an old monitor to your PC to see if it will act same way as the L170? 12fixlouie
satservice, What happens AFTER 15 min of FLASHING?? What did unit do or act like 3-4 weeks ago? Is the screen both BLACK and BLANK? or is screen just black and you can SEE win-desktop if you shine a bright flashlight 1 inch from screen at differnt angles? Can you use your Samsung warranty? Will monitor do same when connected to different KNOWN GOOD prebooted to desktop PC? Are you refering to the "power ON" indicator light on front BEZEL as the FLASHING thing? Need more info, but I suspect "shutdown of units "switch-mode-power-supply" due to detection of FAULT CONDITION having been detected with other circuit or with itself. Read some of my other responses in my fixya profile that deal with BLACK SCREEN repair. If this response useful, rate on fixya. 12fixlouie
nice anecdote, fixing things from far is not easy, a t.v.-technician right in front of the actual screen could tell more- but they don't come for free, alas. hope that people's idea about problem solving lead up to you fixing a problem yourself - hey this here is for free - to sort wxperts, one needs feedback! thx alot
First check the monitor sleep mode for your monitor in windows control panel, check that its not going into hibernation/stanby. if thats not it. and the monitor keeps shutting down. You may have to replace it newer models have more features and could be cheaper by saving you the hassel check newegg.com or orverstock.com
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.