Dell ST2421LB, ST2420LB appendix Setting the Maximum Resolution, Using the Dell Soundbar Optional

If VGA/DVI/HDMI input is selected and below appears. The monitor will enter

both VGA, DVI and HDMI cable are not connected, a floating dialog box as shown Power Save Mode after 15 minutes if left at this state.

or

See Solving Problems for more information.

Setting the Maximum Resolution

To set the maximum resolution for the monitor.

Windows XP:

1.Right-click on the desktop and select Properties.

2.Select the Settings tab.

3.Set the screen resolution to 1920 x 1080.

4.Click OK.

Windows Vista® or Windows® 7:

1.Right-click on the desktop and select Personalization.

2.Click Change Display Settings.

3.Move the slider-bar to the right by pressing and holding left-mouse button and adjust the screen resolution to 1920 x 1080.

4.Click OK.

If you do not see 1920 x 1080 as an option, you may need to update your graphics driver. Depending on your computer, complete one of the following procedures.

If you have a Dell desktop or portable computer:

¡Go to support.dell.com, enter your service tag, and download the latest driver for your graphics card.

If you are using a non-Dell computer (portable or desktop):

¡Go to the support site for your computer and download the latest graphic drivers.

¡Go to your graphics card website and download the latest graphic drivers.

Using the Dell Soundbar (Optional)

The Dell Soundbar is a stereo two channel system mountable on Dell flat panel displays. The Soundbar has a capacitive touch front control panel, a white LED for power indication, and two audio headset jacks.