If you have another monitor for desktop hook other monitor up then under hardware and software in control panel, add the dell monitor, then hook it up. Some operating systems need the driver to be added first. My brother almost threw away agood dell lcd monitor before I told him this, now he loves the lcd, works great.
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Did you use the combination keys of your laptop Fn and either F5, 6, or 7 depends on brand to select internal/external/both? You also need to make sure that the video resolution feeding the monitor is at native resolution setting.
go into the BIOS settings and tell it to use the LCD/Monitor as a display.
press fn key+(F5 or F7 or F8) 1x or 2x or 3x.....
Fn key combination. The Fn key is located
at the lower left of the keyboard, normally between the CTRL and the ALT
key. Toshiba uses Fn-F5 to toggle between the laptop LCD and an external
display. IBM or Lenovo uses FN-F7, Acer varies with the model, using Fn-F5,
Fn-F3, Fn-F8, Sony Fn-F7, Dell Fn-F8, HP or Compaq, Fn-F4. There are variations
with the age of the laptop and not all manufacturers have standardized on
a key combo across the whole range, but you can usually figure it out from
the little graphics on the function keys that line the top of the keyboard.
you may need to tell the lap top to display from that screen the new screen has no image or signal so goes to sleep to save power.on your lap top try the (FN) key on your laptop then select a blue picture on the keyboad of to squears one black one blue this will alter the display.OR in windows look at Start>controal pannel>display
Hello, you can try this... Connect your laptop with an desktop monitor throughVGA cable.... then Click on start>> goto control panel>> Double click on Power Option>> Under Power Scheme it should be Poratble /Laptop >> Select Never under System Standbye, Trun off Monitor and Turn off Hard Disk.
Thank you for contacting Fixya support, please rate if that helps!!
Restart ur lap and press F8 untill it shows the startup screen in the start up screen select enable VGA mode and start the lap then reset the display setting and restart the lap. Hope this solution will help u in solving ur prob...
Have you used the Fn button on your laptop and changed the video display Icon on the Blue Function keys. You need to change the display wait a few seconds for it to take affect. There are several modes try them all so you know how to use them.
change the CRT/LCD to Presentation. this is done on a Dell (for example) by pressing the blue Fn key and the F8 key which cycles thru the three modes: off, shared or on. bit late (may 2009)0 but just in case/
Have you tried pluging in the monitor in to the laptop before even starting the computer or Putting the computer in to "Stand by" then pluging in the monitor and then bringing the laptop out of "Stand by" or yet when you do have the computer on with the monitor pluged in, try "Fn" and a button hat has like two screens on it with a small bar in between them? All these should work.
try to start your pc in safemode with vga mode with thjis faulty monitor
hope you know how to do it
start pc (powerr on)
then continuously press F8 key then it will show you boot menu
select safemode with command prompt
then if it show desktop on screen this means your monitor is having problem with resolution try to downgrade your monitor's resolution
rightclik on desktopgo to properties
here you can find screen resolution make it to 800X 600 just for one time
then restart your pc it will auto select proper screen resolution