HP S2021 20-inch manual Getting Support from hp.com, Do the following

Problem	Solution
Unable to set the	Make sure the graphics card supports the optimal resolution.
monitor to the optimal	Make sure the latest supported driver is installed for the graphics card. For
resolution.
	HP and Compaq systems, you can download the latest graphics driver for
	your system from: www.hp.com/support. For other systems, refer to the Web
	site for your graphics card.
Screen is black or
displaying at a lower	Check if your monitor and computer support HDCP. Refer to High-Content
resolution while
	Digital Bandwidth Protection or http://www.hp.com/support.
displaying high-
definition (HD) content
(select models).
Unable to hear audio	Do the following:
	● Ensure the source signal is good by using headphones at the source.
from built-in speakers
(select models).	● Press the Menu button to access the OSD menu. Select
	Audio Settings, and then select Volume to adjust the volume.
	● Ensure speaker volume is not muted or too low: Click the Windows
	start button™ , Control Panel, and Hardware and Sound. Under
	Audio Devices and Sound, click Adjust system volume. Under Main
	Volume, move the slider up.
	In order for the Plug and Play feature of the monitor to work, you need a
No Plug and Play.	computer and graphic card that are compatible with Plug and Play. Check
	with your computer manufacturer.
	Check the monitor’s video cable, and make sure that none of the pins are
	bent.
	Make sure that the monitor drivers are installed. Refer to “Installing Drivers”
	in the “Operating the Monitor” chapter for more information. Monitor drivers
	are also available at: http://www.hp.com/support
Picture bounces,	Move electrical devices that may cause electrical interference as far away
	from the monitor as possible.
flickers, or wave pattern
is present in the picture.	Use the maximum refresh rate that your monitor is capable of at the
	resolution that you are using.

Monitor is always in sleep mode (amber LED).

The computer power switch should be in the On position.

The computer graphic card should be snugly seated in its slot.

Check that the monitor video cable is properly connected to the computer.

Inspect the monitor video cable, and make sure that none of the pins are bent.

Check that your computer is operational: Press the Caps Lock key and observe the Caps Lock LED found on most keyboards. The LED should either turn on or off after hitting the Caps Lock key.

Getting Support from hp.com

Before you contact customer service, refer to HP Technical Support at: http://www.hp.com/support

Select your country/region, and then follow the links to the support page for your monitor.

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