Dell Dimension 2300 - Manual (Page 51)

Solving Problems 51
If the screen is difficult to read
S W AP THE P O W E R C A B L E S — Swap the computer and monitor power
cables to determine if the power cable is defective.
T E S T T HE VI D E O EX T E N S IO N CA B LE ( IF U S E D ) — If you are using a
video extension cable and removing the cable solves the problem, the cable is
defective.
T E S T A N O T HE R MO N ITO R — If another monitor is available, connect it to
the computer.
C HE C K T H E M ON I T O R S E T T I N G S — See the monitor documentation for
instructions on adjusting the contrast and brightness, demagnetizing
(degaussing) the monitor, and running the monitor self-test.
M O V E T H E S UB W O O F E R A W A Y F RO M THE MO N ITO R — If your speaker
system includes a subwoofer, ensure that the subwoofer is at least 60 cm (2 ft)
away from the monitor.
M O V E T H E M O NI T O R A W A Y F RO M EXT ER N AL P O W E R S O U R C E S —
Fans, fluorescent lights, halogen lamps, and other electrical devices can cause the
screen image to appear "shaky." Turn off nearby devices to check for interference.
R O T AT E T H E M O NI T O R T O F A C E A D IF F E R EN T D IR E C T IO N — Eliminate
sunlight glare, which can cause poor picture quality.
A D JU S T T H E W I N D OW S ® D I S P L A Y S E T T I N G S —
1 Click the Start button, and then click Control Panel.
2 Click Appearance and Themes.
3 Click Display, and then click the Settings tab.
4 Try different settings for Screen resolution and Color quality.
R E S T O R E THE R EC O M ME ND E D S E T T I N G S — Restore the original
resolution and refresh rate settings. See the Tell Me How help file for instructions.
To access help files, see page 32.