Dell Precision 620 User Manual page 6

5. If the problem is resolved, you have corrected a faulty connection.
6. If your monitor is not operating properly, see
7. If your keyboard is not operating properly, see
8. If your mouse or printer is not operating properly, see
Look and Listen
Looking at and listening to your system is important in determining the source of a problem. Look and listen for the indications described in Table
1.
If after looking and listening to your computer you have not resolved the problem, continue with the recommendations in
Table 1. Boot Routine Indications
Look/Listen for: Action
An error message See "Messages and
The monitor's Most monitors have a power indicator (usually on the front bezel). If the monitor's power indicator does not light up, see
power indicator "Troubleshooting the
The system power Use the power indicator to help you identify a system problem when you press the power button to turn on the computer
indicator but the system does not boot:
A blinking yellow power indicator before power-on self-test (POST) indicates that the power supply may be faulty. In
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rare cases, the system board may be faulty. See
Dell.
A solid yellow power indicator before POST indicates that a device on the system board may be faulty or is
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incorrectly installed. Be sure that the microprocessor is properly seated, remove all expansion
reboot. If the system does not boot, see
A solid green power indicator and a beep code during POST indicate that a Rambus in-line memory module
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(RIMM) may be faulty or is not properly seated.
remove the pair of RIMMs in the highest numbered socket pair and move the pair of Rambus Continuity Modules
(C-RIMM) modules to the lowest numbered empty socket pair, and then reboot. Repeat this procedure until you
identify the faulty or improperly seated RIMM. Otherwise, if you have a spare pair of RIMMs, replace an existing pair
of RIMMs with the spare pair, and then reboot. Repeat this procedure with each pair of RIMMs until you identify the
faulty or improperly seated RIMM.
A solid green power indicator, no beep code, and no video during POST indicate that the monitor or the integrated
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video controller may be faulty. See
correctly connected, see
A solid green power indicator and no beep code with video during POST indicate that an integrated system board
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device may be faulty. See
The keyboard Most keyboards have one or more indicators (usually in the upper-right corner). Press the <Num Lock> key, the <Caps
indicators Lock> key, and the <Scroll Lock> key to toggle the keyboard indicators on and off. If the keyboard indicators do not light
up, see
The diskette-drive The diskette-drive access indicator should quickly flash on and off when you access data on the diskette drive. On a
access indicator system running a Microsoft® Windows® operating system, you can test the drive by opening Windows Explorer and
clicking the icon for drive A. If the diskette-drive access indicator does not light up, see
The hard-disk drive The hard-disk drive access indicator should quickly flash on and off when you access data on the hard-disk drive. On a
access indicator system running a Windows operating system, you can test the drive by opening Windows Explorer and clicking the icon
for drive C. If the hard-disk drive access indicator does not light up, see
A series of beeps See "Messages and
An unfamiliar Make sure that the sound is not caused by the application program you are running. The sound could be caused by a
constant scraping hardware malfunction. See
or grinding sound
when you access a
drive
The absence of a When you turn on your system, you can hear the hard-disk drive spin up, and the system tries to access the boot files from
familiar sound the hard-disk drive or the diskette drive. If your system boots, see
"Getting
"Troubleshooting the
"Troubleshooting the
"Troubleshooting I/O
Codes."
Monitor."
"Getting
"Getting
"Troubleshooting the Keyboard."
Codes."
"Getting Help" for instructions on getting technical assistance from Dell.
Help."
Monitor."
Keyboard."
Ports." Otherwise, see
"Getting Help" for instructions on getting technical assistance from
"Getting Help" for instructions on getting technical assistance from Dell.
Remove all RIMMs
"Troubleshooting the Monitor." If the monitor is operating properly and is
Help" for instructions on getting technical assistance from Dell.
Help" for instructions on getting technical assistance from Dell.
"Dell
"Look and Listen."
"System
cards, and then
and reinstall them. If the problem persists,
"Troubleshooting
"Troubleshooting Drives."
Diagnostics." If your system does not boot, see
Setup."
Drives."