Certain typed symbols do not appear correct.

Cause

Solution

The font you are using does not support that particular symbol.

Use the Character Map to locate and select the appropriate symbol. You can copy the symbol from the Character Map into a document.

In Windows 8, on the Start screen, type ch, and then select Character Map from the list of applications.

Solving Audio Problems

If the computer has audio features and you encounter audio problems, see the common causes and solutions listed in the following table.

Table 7-6Solving Audio Problems

Sound cuts in and out.

Cause

Solution

 

 

Processor resources are being used by other open applications.

Shut down all open processor-intensive applications.

 

 

Sound does not come out of the speaker or headphones.

 

 

 

Cause

Solution

 

 

Software volume control is turned down or muted.

Double-click the Speaker icon on the taskbar, then make sure

 

that Mute is not selected and use the volume slider to adjust the

 

volume.

 

NOTE: In Windows 8, the taskbar is available at the bottom of

 

the Desktop screen.

 

 

Audio is hidden in Computer Setup.

Enable the audio in Computer Setup: Security > Device Security >

 

System Audio.

 

 

The external speakers are not turned on.

Turn on the external speakers.

 

 

The audio device may be connected to the wrong jack.

Ensure that the device is connected to the correct jack on the

 

computer. The rear audio jack output is the green receptacle. The

 

speakers should be plugged into the line-out jack and the

 

headphones should be plugged into the headphone jack.

 

 

External speakers plugged into the wrong audio jack on a recently

See the sound card documentation for proper speaker

installed sound card.

connection. The rear audio jack output is the green receptacle.

 

 

Headphones or devices connected to the line-out connector mute

Turn on and use headphones or external speakers, if connected,

the internal speaker.

or disconnect headphones or external speakers.

 

 

Computer is in Sleep state.

Press the power button to resume from Sleep state.

 

CAUTION: When attempting to resume from Sleep state, do not

 

hold down the power button for more than four seconds.

 

Otherwise, the computer will shut down and you will lose any

 

unsaved data.

Internal speaker is disabled in Computer Setup.

Enable the internal speaker in Computer Setup. Select Advanced

>Device Options > Internal Speaker.

76 Chapter 7 Troubleshooting Without Diagnostics