Dell Dimension 4100 - Manual (Page 22)

22 Solving Problems
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Video and Monitor Problems
If the screen is blank
HINT: See the monitor
documentation for fault
indications and
troubleshooting
procedures specific to
your monitor.
C H E CK T H E VI DE O C AB LE CON N EC T I ON — Check for bent pins. Ensure
that the video cable is connected as shown on the START HERE sheet for your
computer.
P R ES S T HE M ON I T OR P O W ER BU T T O N — Be sure that you firmly pressed the
monitor power button.
C H E CK T H E PO W ER LI G HT — When the power light is lit or blinking, the
monitor has power. If the power light is blinking, press a key on the keyboard or
move the mouse.
T ES T T H E E LEC T RI CA L O U T LET — Ensure that the electrical outlet is working
by testing it with another device, such as a lamp.
S W A P T H E COM P U T ER AN D M ON I T OR P OW ER CAB LES — Swap the
computer and monitor power cables to determine if the power cable is defective.
T ES T T H E V I DEO EX T EN S I ON C AB LE ( I F U S E D )— If removing the video
extension cable solves the problem, the cable is defective.
T ES T T H E M O NI T O R — If another monitor is available, connect it to the
computer.
C H E CK T H E BAC K P AN EL LI GH TS — If all four lights below the serial port are
not green, call Dell for technical assistance (see page 82).