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I have an NEC 1810Xtra view monitor, the unit powers on and then the LED goes orange and the unit does nothing. The OSD does not respond, I can hear a whisling buzzing shound in the main power supply and replaced the 100uF 450V cap but it is still the same. any Ideas whats the problem?

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  • wwiz Oct 26, 2008

    This monitor was removed from a system at work, after it failed.

    the monitor is bad and I believe the problem to be somewhere in the tha main power board.

    I got another one just like it about a year ago and its problem was three under rated caps on the power board, I was hopeing this would be the same, but it is a different power board design.

    any help would be great.




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  • 749 Answers

Have you tried another monitor with the computer to make sure you have signal coming out? If you have missing or corrupt video drivers in the computer or have memory seated on the motherboard incorrectly it will cause the same symptoms. If you have checked all these before now, disregard this.
I know that monitors do go out, but rarely. 90% of the time , it's not getting a signal from the computer due to a freeze from hardware or computer driver issue.

Posted on Oct 13, 2008

  • Jeff Strader
    Jeff Strader Oct 27, 2008

    Prolly more than one suspect capacitor and possibly a protection diode, also check for cold solder joints around the main caps on the power supply.



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1 Answer

Where is the on/off switch?

Switching the power
1 Auto) Far left of the 5 buttons on the bottom
2/3 ) On the right
Minus / Plus
4 OSD functions) Second from left
5) Power: the middle button

Adjusting display settings
If the OSD is active, press Auto to exit a selection in the OSD. If the OSD is
inactive, press Auto and the monitor will automatically optimize the
position, focus, and clock of your display.
If the OSD is active, press Minus or Plus to toggle between the OSD
options. If OSD is inactive, press Minus or Plus to adjust the volume.
Press to view the OSD. Press again to enter a selection in the OSD.
Power on/off
Green: power on
Orange: in sleep mode

If the led does not light up at all then either the power lead is faulty or there is no power in the power board.

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Here's some tricks I would try...
1. Verify the monitor's power cord is plugged firmly into the wall outlet and the back of the monitor.
2. Verify the monitor cable is firmly connected to the computer and the monitor.
3. Verify that you have turned the monitor power switch on.
4. If the power light on the monitor is not on, test the wall outlet (plug in a light or something you know works).
5. If the power light on the monitor is not on, try a different power cord.
6. If the power light is on and yellow or orange or flashing, but nothing displays, or the display is incorrect, borrow a monitor from a friend. If that works, your monitor probably needs replaced.
7. Also, you could try your display on a friend's computer. If it doesn't work, your monitor probably needs replaced. If it works properly on your friends computer, the problem may be with your computers video output port, motherboard video chip (or video card, if you have one), or drivers.
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Compaq presario s5100nx won't power on

no monitor stated, ! wow. (hard to help this)
generic PC 101:
1: test this monitor on any other PC.(vga)
2: test this PC on any other VGA monitor .
either test above quickly proves which end is bad.
easy no?, just one simple test and 1/2 the causes go byebye...

if the PC goes dead the monitor goes to sleep mode. and HP monitor shows yellow power. lamp.

I will do simple monitor tests now
even with NO PC connected. (basics)

1: most monitors will even a sign on message, with no PC.
a HP logo graphic, Compaq logo shows. or some text.
newer monitors show logo message "energystar" every time.
then shows..... (the last means PC is setup wrong)
errors. then goes black.

if it shows nothing ever, the monitors 15 year old
CCLF tubes inside are now dead, 99% are now.
the LCD back light lamps died long ago , on most.
if the back lamps are good from year 2003,.wow
then.... (like finding 1995 car that runs)

the monitors OSD screen on most will work now.
on demand !by YOU.
for a few seconds, lacking a PC connection.
power on and hammer the menu key see OSD.? even for 1second.
This works best with working PC, the OSD will not work at all with a dead PC but some screens can be tricked into showing the OSD for few seconds at power on, no PC conn., (it's super good to know these facts,when screen is dead or partly)

you asked about the magic batteries. (cake walk)
well sure, all 15 year old PC have bad RTC coin cell battery on the DESK top , inside mother board.
if never serviced for 15 years it is bad.
replace it, (below 2.9vdc is bad battery(metered)
remove it look at number and get one at walfart.
2032 cells are common

(camera dept, or watches)

my nice test monitor (tech)
HP lE2000x (led) nice and small.
power on (no PC connected)
blue lamp power button glows every time it gets power.
Large menu pops UP, shows scanning VGA/DVI and more for 2 to 3 seconds
then a large white menu pops
and shows "monitor going to sleep" in clear English. (means PC is dead , this case missing)

the blue led power lamp goes from blue to yellow
and screen is now black. (all 100% normal)
these are what all LCD do powered on.

if the monitor is totally 100% dead all ways from Sunday, then it is. as all are now with CCLF tubes
99.9% are dead, if used.
the lamps last 20,000 hrs and DIE.913c8268-90a1-42b6-be05-ed78514f589e.jpg

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NEC 17'' Multisync CRT monitor does nothing when turned on

the green is working ok but orange is usually waiting for an input from the pc (no input signal)

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On the side of the monitor are 6 little buttons. What is the function of each of these buttons.

I found a user guide for a CMV938A that I expect the buttons to be the same.

Here is a link to the manual: CMV938A User Guide

The buttons are described on page 6 of the manual.

Power On/Off button and indicator LED.
Green: Normal.
Orange: Power Saving.
Off: Power Off.

Enter and exit the OSD menu.

3. O/>
•* Quick brightness adjustment and increase contrast/brightness.
•* Move selection right when OSD is displayed.

4. O/<
•* Quick contrast adjustment and decrease contrast/brightness.
•* Move selection left when OSD is displayed.

5 Auto/▼
• *Automatically optimize positions, phase, and clock when OSD is not displayed.
• *Move selection down when OSD is displayed.

6 Turbo/▲ •
*Switch between picture, text and economy modes.
• *Move selection up when OSD is displayed.

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1 Answer

Doesn't respond

Compaq MV 540 (old dog monitors) DEAD 100% DEAD.
OSD dead too. it seems.
built in year 2000, its 17 years old, and you fix things that old
why> why do that, used LCD can be had for 20 bucks.
why slave over any relic CRT like this,,, for a musiem??
using the VGA cable
the monitor will go to sleep, lacking any PC sync lines Vert/horz
by design per VESA rules on that !
step one , use a PC.
set the PC up to do the max resolution on the CRT
some PC cant do that, (new PC)
im reading your users guide now, 1sec, google , hit.
first force the PC to 1024x768 resolution and 60 vert. refresh max.
now the CRT can work an not any of above number higher .
see? use working monitor to do that FIRST.

now plug in the vga,cable last. on the monitor under test.

power led means
green = power ok
amber or yellow are sleep or standby.
so that means, there is no sync.
or if the OSD works (does it>) turn the silly sleep timer off in the monitor. via OSD .

the operators guide, tells you to go to PC safe mode.
this mode sets reso real low. 800x600 and all monitors work there.
no sleep timer inside monitor i can find.,

lots of ways for any CRT to fail even the CRT itself
(loss of sweep)
loss of cathode video drive
the VGA card inside, can fail. killing dead all cathod drive.
the power supplies or regs inside can fail.
the HV can fail. 10,000 volts (dont touch it if long life is good)
some survive, or fly back hit head on wall and crush skull,
seen it and done it so,,, there you go.(ripped gash in arm once)
the 2nd anode is very high voltage, avoid it, and win,.
respect it.

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when you open your pc now,do you still hear a click sounds like you hear before ,when your computer has no problem yet? now there is no sounds .do the ff..
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2.if you can't hear anything, when you open your unit and the indicator of your monitor goes the color orange,pls..check your memory .clean the memory and the memory slots using the contact cleaner .before you replace a new memory.
3. and try to use a another monitor,maybe your monitor has the problem.

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