Problem Cause Solution
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.)
Flat panel monitor’s internal
digital conversion circuits
might 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. See the HP Support website and check for an updated
display driver.
3. Manually synchronize the Clock and Clock Phase on-
screen display functions. Download the appropriate
utility from the HP website to assist with the
synchronization.
Certain typed symbols do not
appear correct.
The font you are using does
not support that particular
symbol.
Use the Character Map to locate the and select the
appropriate symbol. Click Start>All Programs>
Accessories>System Tools>Character Map. You can
copy the symbol from the Character Map into a document.
Table 5-7 Display problems (continued)
118 Chapter 5 System diagnostics and troubleshooting ENWW
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