Question about Dell UltraSharp 2405FPW 24" Flat Panel LCD Monitor

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I can't select the DVI source input on the monitor front panel

I'm trying to select the DVI source input on the monitor front panel but it will only move thru the source inputs 3, 4, and 5 which are s-video, composite, and component. The inputs 1 are 2 are d-sub and dvi. I would like to use DVI. I'm trying to do this in order to get the 1900 by 1200 resolution offered by this monitor. It worked in the past and then suddenly I am having problems with this. Thank you. Kerry

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  • noellossie Nov 24, 2007

    me too. this was working with my laptop and then I used it with components as a monitor for gaming. now i want to hook it back up to the laptop and it will not let me use input 1 or 2. anyone?

  • ethyleen Feb 12, 2008

    can't get back to 1 on 2405FPW monitor. no pic- black screen- maybe throw out window??? dell support dosen't even have monitors as an option on their 400 quesiton automated "answering" system. NO instruction manual came with this. burning eyes on CRT to find answer. anybody???



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The logic board is probably bad. Check out the site they have installation video on changinging out the board and also sell all parts for that monitor.

Posted on Jun 21, 2008

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Video card in the monitor sounds to have failed. It dosn't take alot to short them out these days.
Try the analogue port (make sure everything is off when you connect it up) and then see if you get to access it from the menu.
Sometimes these monitors are a little fussy about selecting things that it didn't detect as valid when it powered up.
By powering up I mean from when you plugged power into it, not just turning it on with the power button.
It would need to be unplugged from the wall for about 5 mins to drain out the power that is stored in the main filter capacitor.

Posted on Apr 08, 2008


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1 Answer

No signal when i used vga monitor connector to pc, no problem in dvi

I have both ASUS and LG monitors with multiple input choices. On both, when the monitor is turned on, it remembers the last input source. Both monitors (and presumably yours, as well) have an INPUT selection in their SETUP MENU.
So, I'm suggesting you search your monitor for an INPUT selection option, then choose "VGA" rather than DVI / HDMI / AV / COMPONENT / CABLE / ANTENNA, etc.
Hope this helps.

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How to switch from analog to digital mode

Any contemporary monitor is able to switch analog/digital mode automatically if connection from signal source to monitor is set up properly.

Connect digital output from your graphic card to DVI input of the monitor. Disconnect any other signal cables from monitor and switch on both devices (PC & monitor). Wait a while. Monitor checks its inputs and a activates digital DVI, because it is only one active input on it.

If none picture excluding error message of monitor is displayed, go through these steps:
1) Check whether your monitor is set for automatic input selection. If monitor buttons have no response try to use analog input to activate screen (any picture, desktop background...) and then get monitor menu access by pressing menu button.

2) Find out what connector type has your graphics card in PC. Possibilities are: DVI, HDMI, DisplayPort and some their options. See Wikipedia for connector look if you are not sure.
Remember that blue D-SUB (VGA) connectors are analogue and you cannot activate digital mode through analog VGA cable.

3) Use appropriate cable to connect monitor to PC.
Example: Your PC has HDMI output. Use HDMi-to-DVI cable. Your monitor input is DVI and common DVI-DVI cable is not suitable in case you have PC with the HDMI.
Note that DVI-to-DVI, DisplayPort-to-DVI etc. cables are available. You must buy right one.

Be aware that "Auto" button is inactive in digital mode of monitor.

Nov 18, 2013 | Belinea 1930 S1 Monitor

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Acer monitor no signal

If your monitor has various input sources, make sure it's on the correct input source in the main/input menu. If that's not the problem double check the cable for bent pins also make sure if you have a video card with DUAL dvi outputs that your using the correct one.. as the other one might be secondary and non-functional. It's possible but highly unlikely if you unplugged the DVI cable while the monitored was still powered on it could have damaged the video card of the computer or mainboard of the LCD monitor. When in doubt try another DVI cable if all else fails.. if you have another DVI monitor (thats a known good) try that also to make sure that the video card is not the problem.

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Try first, select input source manualy.
Sometimes, it automatically trys to detect DVI source first.

Jun 19, 2013 | Samsung Computers & Internet

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Samsung syncmaster 2033sw monitor, till now i was using a vga cable for the display, but recently i bought a dvi cable and connected it. but its not detecting the display of dvi cable. if i remove the vga...

LCD Monitors having multiple inputs have option and option to select and switch between the displays from analog (VGA) or Digital (DVI) inputs. Go to the LCD menu and select input source (DVI)

Hope this helps!


Nov 15, 2010 | Samsung Syncmaster 2033SW Monitor

1 Answer

How do I connect my hdtv cable box to the tv/monitor. There is no hdmi input on the tv.

Your setup has a TV/Monitor and a audio/video box. The A/V box is connected to the TV and other source inputs connect to the A/V box. Hookup your cable box to the A/V box either using component video (green, blue, red) RCA cables from cable box outputs to the A/V box inputs OR the A/V box also has a DVI/HDMI input jack which may work using a HDMI cable.
Select the proper source.

Aug 26, 2010 | Initial DTV372 37 in. HD-Ready LCD TV/DVD...

1 Answer

I have hooked up my tv for a computer moniter and all it says is YPbPr no input signal can i get some help please

Dear Sir,

After switching your monitor as a TV you have to select input source as TV or DVI by using your monitor remote controller generally monitor set to VGA input.For using it as a TV you have to change the input from VGA to TV or DVI. It think it solves your problem.If you find any difficulty post a comment with more information about the problem,we will glad to assist you

good luck

Aug 27, 2009 | Polaroid FLM-2011 Television

1 Answer

Samsung T220HD - can't access HDMI input sources

If it like my monitor, same hookups as yours, then when you want to use the hdmi port you need to disconnect the dvi cable. The monitor cannot read from hdmi & dvi when both are connected, Try this & see if your PS3 works. Good luck.

May 09, 2009 | Samsung T220HD LCD Monitor

2 Answers

How to use a sharp aquos as a monitor with my laptop

Hi. You haven't said how you have connected your laptop to your TV so I'll give you a couple of options:

1. VGA to VGA (This cable is a 15-pin cable like the one you would use to connect a computer monitor to the back of the computer box itself). The Sharp has a VGA connection at the back.

2. DVI to HDMI. If your computer has a DVI output, this would be the best connection.

On your remote, press menu.
Use the left/right arrows to select option

Then use the arrow up and down to select input source.

Depending on the TV you have, you will either see the actual name of the connection (ie. HDMI, DVI, VGA) or you may need to select Input 1, Input 2, etc... depending on which connection you used. The input number may be labelled on the back of your TV.

If none of this works, please let me know your model numbers and I can provide you with instructions specific to your models.

Jan 19, 2009 | Sharp Aquos LC-32G4U 32 in. HD-Ready LCD...

1 Answer

Screen changes between color as a demo signal

Gateway was sued Class action over LCD's and Plasmas they sold over a 2 year period. They resell 3rd party TV's that were very faulty, an immature design.

Here's what I learned about mine, which makes it limp through as a Computer monitor (both DVI and VCA) and halfway functional TV.
You have to connect a DVI source, on the Main Menu for the DVI input there is an option called "Factory Mode". scroll down to it with the CH buttons and select it with the vol button. The scroll to "initialize eprom", select and confirm it. After the "Waitting" words disappear, make sure you have a TV source connected, Then turn the TV off and on, using the hard switch in the back. The TV input should be defaulted to channel 10 or 11 now But you select a TV channel that has no TV signal on it (like channel 1 for example) , the whole TV input side will refuse to let you select it again, and you'll have a blank screen and have to start over.

That takes care of the blank screen thing Now the other problem is parental control is defaulting to "ON" or something, and you can't program channels. With the TV input Main Menu engaged, select "Setup Menu." If you have this problem, then you'll only see 2 options, all the TV input and channel programming options will be missing. You have to select Parental Control, and when it prompts you for a password hit the volume > button 4 times (or just wait for a minute.) This should bring back your TV System and auto prgram/manual search options.

Unfortunately, my TV doesn;t remember these setting very well if I select cable, it does better if I select "AIr". But at least it funtions - kind of. If you switch to your computer input, you probably will have to switch the monitor off and on from the back panel again. Mine always starts up with the menu onscreen. All this might bve less trouble if you have a the remote, I don;t know where mine went after the last move.

Good luck, and hope this helps.

Billy K.

Sep 24, 2008 | Gateway LCD26TV 26 in. Television

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