Xps m140 would like to be able to display a higher resolution onto my secondary monitor,the secondary monitor suports up to hd. I currently have it displaying at1024by 768 from my Dell but would love it if I could match up with this new monitor naive res by upgrading my Dell. TY
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this is from the manual for your computer. you need to get it on both monitors simultaneously.
When you start the computer with an external device (such as an external monitor or projector) attached and turned on, the image may appear on either the computer display or the external device. Press <Fn><F8> to switch the video image between the display only, the external device only, or the display and the external device simultaneously.
You shouldn't need to install software for a monitor to work. What you may have to do though, is configure your display settings to allow an external display. Your laptop might have a function key to do this. Try clicking the function key + the key that looks like a monitor display on your laptops keyboard. This should activate the external display port. You might also try going into the control panel, select display and enable the secondary display. Also a 17 inch display probably has a screen resolution of 1024x768 or 1280x1024 so make sure you don't set the resolution any higher then that or the display might not show anything.
Stat by plugging your s-video cord into the computer and the TV. Then go to your display settings and enable the monitor as either your primary or secondary display. If you don't know how to get to display settings, I'll need to know what operating system you have.
There could either be a problem on your LCD screen, or Graphics card, to determine it. Try plugging an external monitor on your laptop and see if the display turns black also on the other monitor. If no, the problem is the LCD, but if yes (still black screen on the external monitor) it means the problem is on the graphics card.
You said the computer boots up. How do you know for sure that the computer really boots up. I say this because from my experience this are the symptons of a bad RAM in a notebook computer. If you are good at troubleshooting, get a RAM of similar specification and change it to see. If the specs of the RAM you get (get one from a friend's computer), are similar the notebook will most likely display.
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!
Pixelation/artifacting is usually indicative of a problem with video RAM (IE: The video card has a hardware problem) Since the Video is integrated into the motherboard, that means a motherboard replacement. ($150 to $200 for a replacement MB on Ebay)