Dell Precision 330 User Manual page 166

166 So lv ing Pr o ble m s
F r o n t - P a n e l D i a g n o s t i c I n d i c a t o r C o d e s ( c o n t i n u e d )
Power Hard Drive
Indicator Indicator
Code Code
Blinking yellow Solid green
Solid green and a N/A
beep code during
POST
Solid green power N/A
indicator and no
beep code and no
video during
POST
Solid green power N/A
indicator and no
beep code but the
system locks up
during POST
Back-Panel Indicators
When you turn on your system, it performs a POST, which is a series of self-
diagnostic checks. A successful POST ends with a single beep that signifies
the start of normal operation. If the system fails to emit the single beep or
appears to stop responding during POST, a series of indicators located at the
rear of the computer can help you understand which POST test failed or
why the system stopped responding. These indicators communicate
problems encountered during POST only, not during normal operation.
CAUTION: Before servicing any components inside your computer,
see "Safety First—For You and Your
The indicator patterns described in the following table can help you
determine what to do to resolve the problem. If a problem resolution
requires you to remove the computer cover, refer to
procedures you must complete before performing the suggested resolution.
If the problem persists after you perform the suggested resolution,
Dell for technical assistance.
Cause Corrective Action
Voltage regulator Check the
failure on the system indicator codes
board. the specific problem is
identified. Also, see
"System Board
A problem was See
detected while the for instructions on
BIOS was executing. diagnosing the beep code.
The monitor or the See
graphics card may be
faulty or incorrectly
installed.
An integrated system Contact Dell
board device may be technical assistance.
faulty.
Computer."
"Installing
diagnostic
to see if
Problems."
"System Beep Codes"
"Video Problems."
for
Upgrades" for
contact