I CANNOT GET MY DELL LATITUDE C840 OUT OF THE 1600 X 1200 PIXEL
RESOLUTION. USING DISPLAY PROPERTIES I HAVE RESET THE RESOLUTION TO 1024 X 768 PIXELS. WHEN I HIT APPLY, THE DESKTOP IS DECREASED BY ABOUT 50% AND I THEN HAVE A SMALLER DESKTOP. HOW CAN I GET THE DISPLAY BACK TO 1024 X 768 PIXELS?
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If you have forgotten your BIOS or Hard Drive Password for this model, there is a master code that you can obtain from Dell Support. Simply call, Email, or use Online Chat from http://support.dell.com and give them your Service Tag, and they can help you out from there. If it is a Windows profile password you have forgotton, try accessing the Administrator account from Safe Mode (Press F8 at startup), and remove the password for the user account from Control Panel, User Accounts.
Go to support.dell.com under drivers select your system download the latest video driver,or on you c drive on your computer you should have a folder called dell where you will find the original drivers for your computer.Install them that will take care of your problem.
This is what you need to do: Connect the s-video from your computer to your tv input. (think you've already done that) Go to display properties on your laptop (right-click Desktop and select Properties) Go to Settings rightclick the blue rectangle, with a number 2 in it and select attach If needed you can change the resolution for the TV. Then click OK Now your computer is configured correctly. Make sure you have selected the correct input on your TV.
The type of screen you have is a UXGA screen. the optimal resolution for that is 1600 x 1200. changing the resolution for that will distort the screen causing black borders. If a computer has a 15.0+" SXGA+ screen with an optimized resolution of 1400x1050 and the screen's current resolution is set to 1280x1024 pixels, the display will shrink resulting in a black border surrounding the edges of the screen. Also, all other lower resolutions may be stretched to fit the screen. No border will be visible, but fonts may appear slightly fuzzy.
i faced the similar problem with my desktop pc, then i called *** they helped me what i did was to remove all the card and then connected one my one, it happens due to clashing of irq, i hope this will resolve your problem