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Upgraded video card computer will not turn monitor on after standby

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Re-installed the video card

Posted on Dec 16, 2008

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Dell backlight indicators


A computer monitor has a front-mounted LED that displays its current status and flashes in the event of an error. When an error occurs, the flashing may be accompanied by an error message on the screen. If the screen does not display an error message, the problem most likely falls into one of four common categories.

Unsupported Display Mode A video card has the ability to send output to the monitor at many display resolutions and refresh rates. However, no single monitor is capable of supporting every possible display mode. When the video card sends an unsupported display mode to the monitor, the monitor shuts off to prevent damage and blinks, or displays an error message. Standby Mode b> When a monitor detects no video signal from the computer, it assumes that you have turned the computer off and enters standby mode to reduce power consumption. Dell and HP monitors display an amber light when in standby mode. The status light on an Apple monitor blinks slowly. Incorrect Power Supply Some monitors such as certain Apple Cinema and Studio displays use external power adapters. Because different power adapters may have similar connectors, these monitors are designed to detect when an incorrect power supply is connected and blink the status LED rather than attempting to turn on. In the case of an Apple display, the LED blinks in an alternating short and long pattern. b> Backlight Failure b> A flat panel LCD display has an LED or fluorescent backlight that illuminates the pixels and makes it possible to see the contents of the screen. If the backlight fails and requires replacement, the monitor is unable to display any information. In some cases, you may be able to resolve this issue by turning the monitor and computer off, disconnecting and reseating all cables. If the monitor still has a backlight issue, it requires professional service.

Jan 14, 2013 | PC Desktops

1 Answer

Monitor is switching off immediately after system is switched on. Again when monitor is switched on, images appear for about 3 seconds and again monitor switches off.pl give the solution.


You need to determine if you is turning off or going into standby mode. When your monitor shuts off, the power light will turn orange if it is in standby or the light will turn completely off if the monitor turns off. If your monitor goes to standby, that means that your monitor is losing signal which indicates a problem with your PC. #1 Make sure cable is firmly secured and both screws are tight #2 Check your video card make sure that it is firmly in its slot. Take it out and put it back in. *as long as your computer is open give it a good cleaning with compressed air* If those things check out it is possible that your video card has failed and needs to be replaced.
If your monitor is powering off #1Check plugins- try something else (i.e. lamp) in the outlet #2 Try your PC's power cord in your monitor

Oct 21, 2010 | ViewSonic PC Desktops

1 Answer

I have an acer aspire e380 4400, i upgraded my video card to a msi 240gt 1gb. I have had nothing but problems trying to get my computer to run properly. Vista 64, 4 gb ram, 850 watt psu are the other...


You don't say what kind of monitor you have, but that's probably where the problem is. Most likely you have the new video card set for a higher resolution than the monitor can handle. When Windows starts up and switches to your settings, the monitor shuts down. Some monitors will display a message like "input signal out of range" before shutting off, but not all brands or models do.

Look up your model of monitor and find its maximum resolution, and don't set your card greater than that. Press the F8 key when your computer starts up after turning on the power, and choose the "start in VGA" option from the startup menu. This will allow Windows to come up with a resolution setting all monitors can handle. Then you can change your settings.

If you upgraded your video card because you have applications that require high resolutions that the monitor doesn't offer, you'll need to upgrade your monitor as well.

Thanks for using Fixya!

Oct 06, 2010 | PC Desktops

1 Answer

Periods of monitor image flutter. What is cause?


1. check the monitor. use other monitor. if still occur check video card. use other video card.
2. try upgrading the memory module. or have it replace.
3. scan for virus infection.

May 12, 2010 | Lenovo 3000 J115 (7387-A11) Desktop...

2 Answers

Will a newer monitor work with my older 2.4ghz cpu


Upgrading a monitor does not require uparading the RAM or the video card on your computer unless you want to run graphic intensive video games.

Mar 20, 2010 | Dell PC Desktops

1 Answer

When i turn my computer on the power light and


Hello,

If your computer turns on and your monitor stays in stand by mode, then there is no communication between your video card and the monitor.
You could check if the cable is plugged in correctly or even faulty.

It is also possible that there is a problem with your video card. Maybe physically uninstalling and reinstalling it could solve it.

If none of this helps, then you might want to check a new video card.

Hope this helped.

Nov 17, 2009 | Dell Dimension 2400 PC Desktop

1 Answer

Blank screen after turning computer on


Sounds like onboard video might have gone out. 2 suggestions, if the system is still underwarranty, send in for repair. If not, suggestion would be to open the case, and confirm type of slots AGP, PCI, PCI Express, and purchase a video card on the type to install.

Jun 01, 2009 | Dell Dimension E521 PC Desktop

1 Answer

Computer not communicating a signal to monitor


You can fix that by getting a new graphics card
I'm assuming you have a T3830 emachine.
here's the link to replace video card
http://downloads.emachines.com/userguides/8511279_eM_NG3_chassis_HW_ref_en.pdf
Mark

Apr 09, 2009 | E-Machines eMachines T3830 PC Desktop

1 Answer

Compaq s6300nx no video output changed ram,powersupply, graphic c


Try a different monitor, or that monitor on a different PC.

Feb 12, 2009 | Compaq Presario S6300NX PC Desktop

2 Answers

Monitor wont turn on after upgraded memory to 512 from 256


theres a driver conplict, run device manager and remove auknown device. restart the computer

Mar 11, 2008 | PC Desktops

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