High pitched noise coming from inside a flat panel monitor.

Cause

Solution

 

 

Brightness and/or contrast settings are too high.

Lower brightness and/or contrast settings.

 

 

Fuzzy focus; streaking, ghosting, or shadowing effects; horizontal scrolling lines; faint vertical bars; or unable to center the picture on the screen (flat panel monitors using an analog VGA input connection only).

Cause

Solution

 

 

 

Flat panel monitor’s internal digital conversion circuits may be

1.

Select the monitor’s Auto-Adjustment option in the

unable to correctly interpret the output synchronization of the

 

monitor’s on-screen display menu.

graphics card.

2.

Manually synchronize the Clock and Clock Phase on-screen

 

display functions. To download a SoftPaq that will assist you with the synchronization, go to the following Web site, select the appropriate monitor, and download either SP32347 or SP32202: http://www.hp.com/support

Graphics card is not seated properly or is bad (some models).

1.Reseat the graphics card.

2.Replace the graphics card.

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 7, click Start, select All Programs, select Accessories, select System Tools, and then select Character Map.

In Windows 8.1, 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.

Sound cuts in and out.

Cause

Solution

 

 

Processor resources are being used by other open applications.

Shut down all open processor-intensive applications.

 

 

182 Chapter 8 Troubleshooting without diagnostics

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HP 705 G1 Solving audio problems, Certain typed symbols do not appear correct Cause, Sound cuts in and out Cause Solution

705 G1 specifications

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