Question about BenQ V773 17" CRT Monitor

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What is the triggering signal to power on the monitor?

Monitors on standby mode change state when they receive a signal from graphic card. I would like to know what is the trigger signal for the BenQ monitor to power on, is it the horizontal, vertical, video signal, ...? This is because i have a monitor which remains in the standby mode even with signals present but i have no oscilloscope to investigate any further. Any help will be appreciated...

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  • jimskier2 Feb 18, 2009

    For about 2 days, it would come on and stayed on for about 30 minutes before going to standby. All the while, the CPU is still churning away. Then from 30 minutes it became shorter until it finally gave up. Another thing I noticed was that the power light would remain on until I plugged it into the VGA port. I have tried using a graphics card but same problem still.

    Anyone found a solution yet?


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Most modern monitors use the Horizontal sync line to determine when to go to standby.

Posted on Sep 04, 2006

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I have a dell studio 540 desktop, I need to restore to factory settings but my monitor will not stay open. It opens for a few seconds then immediately goes into power saver mode and turns off, how can


I see two things here, but need clarification;

1) Monitor goes to Power Saver Mode, then turns -> OFF?

Sure that monitor didn't go into Standby Mode?

2) Why are you performing a restore back to factory settings?
Pick up a virus?

Primer;
The monitor receives a signal. A video signal. The video signal comes from the computer.

If the monitor is NOT receiving a video signal, then the monitor will state No Signal.
This is for older monitors.

New monitors do not state No Signal anymore.
It's Power Saver Mode, or Sleep Mode.

If the monitor is truly OFF, the Power On button will Not be lit up.
Or the Power On LED light on the monitor.

Monitor power on LED is lit, or Power On button is lit?

Monitor is not receiving a video signal;

Use a monitor cable from a KNOWN to be working monitor, for a temporary test.
OR,
Use a Known to be working monitor, and it's monitor cable.

Need to find out if monitor cable is good.

Monitor cable checks out good?

Then problem is computer.

The two leading issues with desktop computer failure, is;

1) Computer is dirty inside
2) Power Supply inside computer is bad.

Please post back in a Comment.
Regards,
joecoolvette

Mar 27, 2013 | Computers & Internet

1 Answer

Monitor stays in standby mode(power save)


If the monitor will not power up to give an image on the screen, try to connect it to another computer and see if it works. that will eliminate hardware failure of the monitor.

Check the vga cable connection from the computer graphics card to the monitor and make sure the connections are tight.

Then test the computer with a known working monitor, if it fails to work, the graphics card on the computer is at fault.

If replacing the graphics card does not work, try clearing the CMOS on the computer.

Jun 20, 2011 | Dell Computers & Internet

1 Answer

The screen is black and a blue box in the middle that states "analog out of range. 67.0kHz/60Hz


Try to see if this works on another computer first, if it does, then it assumes the monitor is ok.
Then as the computer boots up, boot to safe mode by pressing F8 and once in that state, set the display to a mode that the graphics card will support.
If none of the full colour options work, the graphics card may be incompatible, try changing the graphics card.

Jun 13, 2011 | LG FLATRON W2252TQ-PF 22" LCD Monitor

1 Answer

When I turn on computer, the monitor say going to dpm mode. any help?


DPMS (Display Power Management Signaling) is a standard developed to save energy and maximize the useful life of computer displays. By switching the horizontal and vertical sync lines on or off, a DPMS compliant video card provides the capability to place the monitor into one of four modes (Normal, Standby, Suspend, Off).
Each mode puts the display into a different powered state from fully powered up, to the Off mode. In the Off mode, only a small auxilliary circuit is running which monitors the horizontal and vertical signals to wake up the monitor.

Dec 21, 2010 | Computers & Internet

2 Answers

Monitor goes dark


If the power light turns yellow, there is no signal being received by the monitor from your computer's graphics card. The screen will shut off (go into idle mode), which is a low-power state, that saves energy. Check that the cable on the back of your computer is plugged into the right graphics card (many PCs come with more than one, these days). There may be one built into the computer's mainboard, and another one may be on a separate graphics card located somewhere else on the machine. Only one of these will work on startup. If one doesn't work, try the other.

Apr 23, 2010 | Dell E176FP 17" LCD Monitor

2 Answers

Hello we had our power go out yesterday. we thought there was a problem then with the monitor so we purchased a new monitor. When hooking up the new monitor it is doing the same thing the light is blinking...


This monitor is connected to a computer ?
If so then it is going into "sleep" mode because it is not receiving a signal from the computer.

If the power went out whilst the computer was on then there may have been damage to the computer.

If you have another computer (or a friend with one) you can connect your monitor to it to see if it works.

Dec 09, 2009 | Computers & Internet

1 Answer

Monitor has power but says not receiving signal and frequency out


Hi, this might be a cable plugged out from your graphics card or from your monitor. Check that first. If the cable fits ok, try changing it with another one to see if it is ok or broken. If it wont do anything, it probabbly needs to go to service for mainboard replacement. Something simillar happened to me too.

Oct 15, 2009 | Gateway FPD2275W LCD Monitor

1 Answer

My monitor gets switched off when i connect to cpu,the moment i disconnect it from cpu,its switches on automatically.what may be the problem?


One of two things:

1.) Your video card is 'stuck' in standby mode, which in turn sends a signal putting the monitor in low power 'standby' mode as well. When you disconnect it, the monitor returns to normal 'on' mode. Rebooting the PC should correct this issue.

2.) Your resolution or refresh rate are set outside the range supported by the monitor. When you connect the monitor, it starts receiving a signal that it can't display, so it simply turns off. You'll need to reboot the PC and press F8 quickly to bot into safe mode and correct the monitor settings.

Feb 12, 2009 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

Computer monitor comes on for 1 seconds, flashes "analog power save mode" and then goes black.


Most monitors will say "Power save mode" when they can tell through residual voltage that the signal lead is plugged into a machine, but there's no picture being transmitted. The four states of a monitor are:

* Off entirely.
* Switched on, plugged into a computer but no video signal being received - usually displays "analog power save mode" or "digital power save mode" for a few seconds, then blanks. Comes back to life the moment a video signal is received. This state is the default in full power saving mode.
* Switched on, not plugged into a computer. Some monitors don't display anything, some go into power saving mode, some fly "CHECK SIGNAL CABLE" or a similar message around the screen. Picture is restored when the signal cable is plugged back into the computer
* On fully, receiving an image, and displaying.

Hope this helps.

Jun 01, 2008 | Computers & Internet

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