I have a E-machine desktop unit that boots up and after about 20 secconds the flat panel display goes blank. If I turn the monitor off and then on again it comes on and dispalys what would normally be viewed but then it shuts down again after about 20 seconds. It is a Model D2685 with a 19" Flat Panel display.
It was working fine and I shut the system down to install a new printer and when I turned it back on to install the print driver this started to happen.
Power management is a tricky business for a lot of users. I would recommend setting a screensaver up if you already have not and turning that part of Power Management off.
Right click on the desktop, select Properties, click the Screen Saver tab, set up your screensave. Then on that same tab, click the power button at the bottom, changet the turn off monitor setting to 'Never" click apply. Hopefully by never engaging the poower management, this will eliminate the error.
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This is a common problem with monitors when changing resolution. What probably happened is you may have tried to change the resolution, or an application changed the resolution, to an incompatible resolution.
For example, if you have a tiny little screen it can't display that huge resolution that a 32 inch monitor has. So, your monitor is stuck in that wrong resolution.
To fix this problem, you need to boot into Safe Mode. Restart your computer, and as it is booting up tap F8 a bunch of times, and then select Boot into Safe Mode.
When it boots up, right click on the desktop, click Properties (Windows XP) or Screen Resolution (Windows 7). When the window pops up, click Settings (if on Windows XP, if on Windows 7 skip to next step). From this window, change the resolution back to the basic 800 x 600 screen resolution.
Now, reboot your computer normally. You should be able to see the desktop. Now, you can do the same thing that you did in safe mode and turn up your resolution. BUT, when you change it, if the screen goes BLANK again, DO NOT press anything. After 15 seconds it should go back, and you can try a lower resolution.
Kindly check when the display cable is removed from the system and monitor powered on do you get any "Out of Sync Error". Then the monitor is fine and issue with the system or Display card. Check if your system boots and also unscrew the system and clean the Display card and re-insert. If its an on board card then just do a preventive maintenance of your system as it can happen due to loose connections also. Regards.
semosmt, Your monitor's internal electronic "switch-mode-power-supply"/"CCFL inverter supply" fails to sustain output of high voltage to the "cold-cathode-fluorescent-lamps" (2) that are hung on the reverse side of the glass LCD panel that you look at. Learn how to perform the "flashlight" test and interpret the results! Is your LCD panel "black" or is it both "black and "blank"??? If free warranty service from DELL not an option, then you should ask DELL about a cash+old unit swapout for a refurbished unit with new inverter/ccfl lamps. If that not option, you or a qualified electronics technician will need to inspect and repair your unit!If you need to visually SEE just what is inside a typical CCFL backlit LCD monitor, then go visit YOUTUBE and check-out the longer and more informative video clips of "lcd monitor disassembly" and "lcd monitor repair" !!! Moses, remember this: Your monitor is NO DIFFERENT than any other BRAND ( LG, Acer, Samsung,Gateway) in it's BASIC design and operation!!!! There is a very good chance that your monitor can be repaired because you stated "displays the desktop" in your complaint!!! YOU need to do more READING to fully understand the root cause of your need to visit FIXYA in the first place! Do your research first before you do anything. I hope this was of some help. 12fixlouie bye for now.
mrmadgbull, How long will e17tg display the WIN-desktop before it goes to BLACK screen? Is it 1, 2 ...4, 5.....20 seconds? How old is unit? Does unit have internal ac to dc SMPS or external (lay on floor) SMPS? Did problem occur suddenly? What do you see on screen after "it" goes black and you shine a bright flashlight 1 inch from screen? Can you still see some icons being faintly displayed?? Is unit out of it's warranty period? If lcd panel is both black and blank, "switch-mode-power-supply" could be in full shutdown mode. If you see desktop, SMPS is in partial shutdown mode. You or electronics technician will need to evaluate and repair unit. Read my FIXYA profile for more options you may have open to you. Your monitor no different than any other "cold-cathode-fluorescent-lamp" backlit LCD monitor. There is a lot of DIY videos on YOUTUBE that deal with this type of monitor problem. Lots of tech types pick-up "black screen" lcd monitors at resale shops and refurbish them for less than $20 total cost, and they will work for another 2 -4 years. Do your research before making hasty decisions. If pocket is deep with disposable income, then just use e17tg as trade-in for new wide screen. Hope this was of some help. 12fixlouie
johnerm, Good going John! At least YOU tried doing a swapout to another KNOWN GOOD pc to prove out that the E153FP is indeed the culprit!!! Now for the hard part. Do you have a bright flashlight? Reconnect E153FP to pc with WIN-desktop as the displayed image. then and only then turn on E153FP and note the time it takes to GO TO BLACK SCREEN. Is it 1, 2, --5,---20 seconds???? Now point at different angels about 1 inch from screen a bright flashlight to an area that "should" have a desktop "icon" showing. LOOK very closely!! If you SEE a very faint image of the desktop the units "switch-mode-power-supply" is in PARTIAL SHUTDOWN mode. (still has +5v or +3.3v to supply vga/lcd interface board) If you SEE NOTHING, then SMPS is in FULL SHUTDOWN mode. Get back to me, 12fixlouie with your SMPS flashlight evaluation and pay a visit to YOUTUBE fyi search and view video clips of "LCD monitor disassembly" and "LCD monitor repair" to see if DIY interests you! Also try www.ccl-la.com/badcaps.htm run by another tech on fixya nickname "buddymc" fyi. If this was of some help, rate this response on fixya. 12fixlouie aka louie12fix or lmistyrel @ aim.com
If tried the monitor on two other computers with the same result -- definitly your monitor is faulty. Take it to the repair shop. To make double sure, run your computer with another monitor. If everything is fine now; you can blame the monitor.
It appears that the display resolution set in your display properties is out of the range that the LCD can display.
Boot to the ENABLE VGA MODE by pressing F8 to get the Windows Boot Menu. If you can get to the desktop, then go to display properties, and see if you can change the resolution to higher settings and maintain video. (If the video blanks out, then it should revert to the previous setting in 15 seconds)
Your concern is a typical problem with LCD displays/monitors. There could possibly be three (3) reasons why it is behaving as you have posted. 1. Backlight/Inverter problem; 2. LCD panel problem; 3. Video card problem.
You can do initial diagnosis by: a. connect the laptop to an external monitor. Using the Fn + F? keys, activate the external monitor to be the default display. If it works, you have eliminated the possibility of the video card having a problem. If it likewise did not display anything or blanks out after sometime, then you have just confirmed that it is the video card that is a problem.
If you have ruled out the video card (using above procedure), you can proceed determining if it is an LCD panel problem or backlight/inverter problem.
To determine if it is a backlight/inverter problem, run the laptop normally even without a display. Let it boot and run through its startup sequence even if you can not see anything. Using a flashlight, shine a light obliquely to the face of the LCD display. if you can see some semblance of your desktop albeit dark, then you have just confirmed that it is the backlight/inverter. If even with the aid of a flashlight, the display s completely blank, then it is possible that the LCD display panel is defective. In some cases it is the flexible flat cable that is at fault.
With any of the aforementioned possible problems, opening the unit is required. This would need familiarity with electronic components and circuitry, use of a DVM and perhaps even a soldering iron. Should you not be comfortable doing this, it would probably be to your best advantage to seek the services of a qualifiedly professional.
Hope this be of some help/idea. Pls post back how things turned up or should you need additional information.
It sounds as if you have a resolution set that the display does not support.
Restart your machine in safe/VGA mode by holding down F8 while the machine boots. Once in safe mode, set the resolution (Right click--> properties--> Settings--> Screen Resolution) to one that your display supports.