HP B5P07UT B5P07UT#ABA, Z220 F1J90UAABA, Z420 D3J34UT#ABA Solving audio problems, 4Audio problems

Table 4-3Display problems (continued)

Problem	Cause	Solution
Fuzzy focus; streaking, ghosting,	Flat-panel monitor’s internal	1.	Select the monitor’s Auto-Adjustmentoption in the
or shadowing effects; horizontal	digital conversion circuits		monitor’s onscreen display menu.
scrolling lines; faint vertical bars;	might be unable to correctly	2.	Manually synchronize the Clock and Clock Phase
or unable to center the picture on	interpret the output
			onscreen display functions.
the screen (flat-panel monitors	synchronization of the
using an analog VGA input	graphics card.	3.	Download SoftPaq SP22333 to assist with the
connection only.)
			synchronization).
Some typed symbols do not	The font you are using does	Use the Character Map to locate and select the
appear correctly.	not support that symbol.	appropriate symbol.

Select Start>All Programs> Accessories>System Tools>Character Map. You can copy the symbol from the Character Map into a document.

Solving audio problems

Table 4-4Audio problems

Problem	Cause	Solution
Sound does not come out of the	Software volume control is	Double-click the Speaker icon on the taskbar and use the
speaker or headphones.	turned down.	volume slider to adjust the volume.
	The external speakers are not	Turn on the external speakers.
	turned on.
	External speakers plugged into	See your sound card documentation for proper speaker
	the wrong audio jack.	connection.
	Digital CD audio is	Enable digital CD audio:
	not enabled.	1.	From the Control Panel, select System.
		2.	On the Hardware tab, select the Device Manager
			button.
		3.	Right-click the CD/DVD device and select
			Properties.
		4.	On the Properties tab, select Enable digital CD
			audio for this CD-ROM device.
	Headphones or devices	Turn on and use headphones or external speakers, if
	connected to the line-out	connected, or disconnect headphones or external
	connector have muted the	speakers.
	internal speaker.
	Volume is muted.	1.	From the Control Panel, select Sound, Speech and
			Audio Devices, and then select Sounds and
			Audio Devices.
		2.	Deselect the Mute checkbox.
	Computer is in Standby mode.	Press the power button to resume from Standby mode.

Troubleshooting scenarios and solutions 131