If I shut off my secondary monitor, when I turn it back on again it claims there is no input from computer and enters 'power save mode'. Only fix is to restart computer. I also lose my secondary monitor if the monitor goes into standby (which I have since disabled). I my secondary monitor is a Dell 2408WFPb
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Re: entering power save
The reason why your secondary monitor is showing no input from computer is because of the display resolution of your graphics card, which is higher than what the Monitor can handle. What you can try is, when your system is powered up, just go to your display settings, then reduce the systems display resolution to--preferably 800x600, then go to where you normally select the output, and select 'Output to external monitor"...this should send the signal input to the monitor. I have actually dealt with a no input signal before, and this was what I did. Hope this helps. Goodluck!
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when the computer enter the sleep mode, it is possible that the computer remove the check mark from this output activation.
When you have multiple ouptut like a internal LCD and output on a monitor, when going into sleep then waked up, laptop reactivate the internal LCD without reactivated the secondary monitor.
you could need to go in desktop property and reactivate the secondary monitor with the check mark listed : Activate.
If you only have one monitor but still a dual output card or two separate video card same thing can happend. try to connect the monitor on the second VGA or HDMI output and see if the video goes there.
then reactivate your secondary output and make it principal.
Does also happend when your computer is connected to a UPS power and your monitor is directly on the sector. (laptop issu also)
if a brief power outage arrive then the monitor shut down (no power) and the computer continu, as there is no monitor on the output any more Windows will automatically deactivate this monitor. when power goes back, this output is no longuer providing video. I suggest putting the monitor on a UPS as well.
Turn the computer off, and disconnect the AC power.
If the motherboard has an "integrated" video-adapter, connect one monitor to its VGA port, and connect another monitor to the VGA port on the add-in video-card, and turn the computer on, and watch both monitors, to see which one becomes "primary" and which one becomes the "secondary" monitor.
Reboot, and enter BIOS SETUP, and "disable" the "onboard" video-adapter, then "save and exit" and reboot. Now, which monitor stays "dark" and which monitor is "primary" ???
Dell monitors automatically go into power-save mode after a preset
amount of time when the computer is inactive. The Dell monitor will go
completely black, instead of showing a screensaver. This doesn't mean
that your Dell computer
has shut down. Instead, this allows your monitor to essentially turn
off until it's needed again. You can change how long it is before the
Dell monitor goes into power-save mode by changing your display
any key on your keyboard or move your mouse. Either will turn off
power-save mode. Alternately, you can press the power button on your
Dell computer tower or laptop.
any key a second time if the monitor goes from power-save to stand-by
mode. Stand-by mode allows the screensaver to appear.
your user name and password into the login prompt if your computer
requires a login. Press "Enter" to begin using your Dell computer.
the display settings on your Dell monitor to prevent your monitor from
going into power-save mode prematurely. Right-click anywhere on your
desktop and choose "Properties." Click the "Screensaver" tab and press
"Power." Beside "Turn off Monitor," choose a time amount from the
drop-down list and press "Apply."
First check your num lock key on key bord if it is on off when you
press num lick key then your dispaly is working fine means you need to
change screen resolution. For
that when you power up the computer press F8 key then enter in enable
vga mode.then go to display property and change screen resolution to
1024*768 or 800 *600. Also when you power up the computer press F1
or F2 or 'del" key to enter in bios then load optimal defaults also
check your harddisk is detected .Disable your satat option in bios
.then save settings then check. I f you not able to enter in bios then Refix your ram.If still face problem you need to reset bios . For that you have to open laptop cover in back then pull cmos cell from mother bord for 5 minutes then refix it then check.
Turn the television on and as soon as the screen turns on repeatily press the input button or change the input to whatever input you are using from a source device. As long as you change it to anything other than RGB.
Your television is essentially a big computer monitor with multiple inputs and a tuner. When using your computer and shutting it down the monitor will go in a power save mode. You don't need to shut off your monitor due to this power saving mode. When you power up your computer your monitor automatically turn on.
With the VIZIO and the RGB (computer) input the television will act just like a computer monitor. When you have a computer connected it will power down automatically when you shut off your computer. When you turn your computer on the VIZIO will automatically come out of standby mode. This is through RGB only.
This is normal operation for the VIZIO but can see confusing when nothing is connected to the RGB input. If you change your television input to RGB it will sense no signal on the input and will go into standby mode after about 5 - 10 seconds. If you were to send a signal to the television through RGB it would automatically kick on.
I am having the same problem . The system is starting up and th epc entering power save mode. I have a Hp pavilion f1503 model monitor. I hit the power off button on the power surge to shut the entire power off. I turn the power surge button back on. Sometimes it works. Or have to hit the power on button to reboot.