Dell Precision R7610 Dell Precision Workstation R7610 Owner's Manual - Page 103

Diagnostic LEDs, Light Pattern - bios

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Light Pattern Diagnostic LEDs Power Button LED Problem Description Troubleshooting Steps problem is with the power supply. Memory modules are detected, but a memory power failure has occurred. • If two or more memory modules are installed, remove the modules, then reinstall one module and re-start the computer. If the computer starts normally, continue to install additional memory modules (one at a time) until you have identified a faulty module or reinstalled all modules without error. If only one memory module is installed, try moving it to a different DIMM connector and re-start the computer. • If available, install verified working memory of the same type into your computer. A possible CPU or system board failure has occurred. Replace the CPU with a known good CPU. If the computer still fails to boot, inspect the CPU socket for damage. BIOS may be corrupt or missing. The computer hardware is operating normally but the BIOS may be corrupt or missing. A possible system board failure has occurred. Remove all peripheral cards from the PCI and PCIe slots and restart the computer. If the computer boots, add the peripheral cards back one by one until you find the bad one. Power connector not installed properly. Re-seat the 2x2 power connector from the power supply unit. 103

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Light Pattern
Problem Description
Troubleshooting Steps
Diagnostic LEDs
Power Button LED
problem is with the
power supply.
Memory modules are
detected, but a memory
power failure has occurred.
•
If two or more
memory modules
are installed,
remove the
modules, then re-
install one module
and re-start the
computer. If the
computer starts
normally, continue
to install additional
memory modules
(one at a time) until
you have identified
a faulty module or
reinstalled all
modules without
error. If only one
memory module is
installed, try moving
it to a different
DIMM connector
and re-start the
computer.
•
If available, install
verified working
memory of the same
type into your
computer.
A possible CPU or system
board failure has occurred.
Replace the CPU with a
known good CPU. If the
computer still fails to boot,
inspect the CPU socket for
damage.
BIOS may be corrupt or
missing.
The computer hardware is
operating normally but the
BIOS may be corrupt or
missing.
A possible system board
failure has occurred.
Remove all peripheral cards
from the PCI and PCIe slots
and restart the computer. If
the computer boots, add the
peripheral cards back one
by one until you find the bad
one.
Power connector not
installed properly.
Re-seat the 2x2 power
connector from the power
supply unit.
103