When i connect my dell inspiron laptop to my lg 42 lcd tv it keeps saying on the tv invalid format this should be a plug and play but it does not work and im clueless how to get the format the same any help
Go into your control panel.
There will be a picture showing 2 screens.
Select the 2nd screen, and lower resolution to it's minimum.
Apply and test.
Slowly increase till you find what your happiest with.
Worked for me using a ASUS laptop and LG60'plasma.
Here's what worked for me with my Dell laptop and LG 37" tv: go into the display properties of your computer graphic card by right-clicking on the desktop. Make sure you've got it set up for dual display with the laptop as the primary and the monitor (your tv) as the secondary display. Then go into the display properties for the monitor and make sure that it's set to display full screen instead of maintain aspect ratio, then apply the setting.
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Sounds like you may need to check your video drivers for an update,
besides Windows itself find out what video you have Intel or Amd and
update thru their website. It can also be that your tv is running at a
resolution that your laptop might not support.However most new video
drivers allow for custom resolution settings that can be applied besides
the native ones in windows.If its a vga cable I almost can be certain
that it is not allowing the native resolution of your display.Hdmi will
automatically adjust it.Also try hooking the laptop up to a Pc monitor
and check for a display if it works on the monitor you need a custom
resolution for your tv. Also try a different input on the tv (if ones
available) and check it.
You may need to use the S-video cable for video. Make sure video mirroring is disabled on the powerbook. Also, make the external monitor the primary display by dragging the menu bar to it in Displays preferences (Mac OS X) or the Monitors control panel (Mac OS 8 and 9).
Same problem!!! Inspiron E1505 connected to a year old LG 47" 1080p lcd. My rgb used to work fine, plug and play with my pc. No luck with my laptop though. I've tried setting up duel monitors, updating all(atleast I think all) of my drivers, and rechecking all connections!! Please Help.