HP Pro All-in-One 3520 Specifications download pdf (Page 108)

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 unable to correctly interpret the output synchronization of

the graphics card.

1. Select the monitor’s Auto-Adjustment option in the

monitor’s on-screen display menu.

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, on the Start screen, type ch, and then select

Character Map from the list of applications.

100 Appendix A Troubleshooting Without Diagnostics

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HP Pro All-in-One 3520 Specifications Page 108