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I have nothing on the monitor. The laptop is on. It is plugged in. But there is nothing on the monitor. The computer is just about 2 years old has has worked very well until now.

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Couple of diagnostic steps to try here.

1. Remove the battery and AC adapter then plug back in the AC adapter only and power on the system.

2. If that does not work check to make sure that the memory is properly seated and is functioning. If you have 2 sticks try alternating sticks.

3. If that still does not resolve the issue attempt to display laptop on an external monitor if it does then you may have a bad lcd.

4. slightly tilt the lcd to see if there is a very dim picture. If this is the case then it would need a new inverter.

5. if all of these steps fail you may want to take it into a local shop and have it diagnosed. It will probably be pretty grim news but every now and then there could be a loose piece that is shorting out the board.

hope this helps.

Posted on Dec 11, 2009

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Posted on Jan 02, 2017

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Samsung r519 not booting, black screen but working


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Does it do the same when it is hooked up to another PC?
Most common failures in 2~3 years old LCD monitors are due to bad caps in the power supply.
Learn more about it here:
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Please post back what you find so we cab help you further.

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The monitor is only 2 years old. less then 50


If you left it plugged into the outlet, the power supply is still running 24/7 even you never trun it on! Look inside for bad caps first, see example of failed SAMSUNG monitors: http://s807.photobucket.com/home/budm/allalbums

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Envision Monitor 22", when plug in the power core, the Green power light would blink repeatedly non stop. Screen would show nothing just a blank screen... it a one year old monitor, and was working fine...


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There are 3 options
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Your laptop is configured for the 3rd option. You can change this by getting into display properties and under your graphics card configuration. Please do comment if you need further assistance

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No plug in play... don't think their dead... do I need drives first?


no country stated or if not usa what is your line power?(volts AC)
your PSU is inside monitor not outside, so uses a simple line power cord. (just wires)
12 year old monitors, found, (dead)
page one of your user guide is clear, read it yet?
seems not.,
Auto-ranging, 90 to 265 VAC
1280 x 1024 @ 60 Hz, 75 Hz (never higher) resolution settings.
those are very old monitors.. worth like $10 used.
if the power lamp shows wrong, the monitor is dead.
right button is power to the right of it is a power led that must glow.
the old monitors had CCFL backlamps before year 2010.
those are back lamps, that fail fast. 20k hours, fast. (short)
first is the power switch
2nd is a working PC with at least sync signals on 2 pins
Horz/vertical.
then the OSD screens work of not the monitor IS DEAD.
inside this OLD monitor is sleep time, turn if off with OSD menu's its nothing but trouble.
some have an OSD lock, so hold the menu key for 10 seconds
and it unlocks. button 2 from left is MENU.
see page 4-10
the guide is here. not too good , poor diagnosis sections
http://h10032.www1.hp.com/ctg/Manual/c00276671



specs.
https://support.hp.com/us-en/product/hp-l1940-lcd-flat-panel-monitor/427303/document/c00278650#AbT3


testing
power it on, LED power , glows.
with a PC working, say running any BIOS screen only....
or running, windows, in low resolution mode 1280 x 1024
if wise set the pc up to that first. not second.
then plug in the vga cable so the MOnitor only sees that signal above. (if you do above wrong, monitor shows OUT OF RANGE on the screen)

at mon.
PUSH the OSD button, menu, if OSD is dead the montor is dead.
OSD= on screen display., (yes the LDC has brain inside)
then take a flash light . point it at screen
see data now, if yes, in the beam is data the back lamp is dead
as are most 12 years old montors now.

see those 4 cream colored connectors bottom of this PCB
those are the high voltage CCFL lamps.
2 lamps 4 ends. the lamps are bad or the board 500 to 1000vdc
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1940-owkjznuqojna0gup3jqh3ggp-2-0.jpeg

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