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Troubleshooting Tools 131
A REQUIRED .DLL FILE WAS NOT FOUND — The program that you are trying to open is
missing an essential file. To remove and then reinstall the program:
1
Click the
Start
button, click
Control Panel
, and then click
Add or Remove
Programs
.
2
Select the program you want to remove.
3
Click the
Change or Remove Program
icon.
4
See the program documentation for installation instructions.
ALERT! CPU FAN NOT DETECTED — Ensure that the cooling fan and airflow shroud are
properly installed and working.
ALERT! PREVIOUS ATTEMPTS AT BOOTING THIS SYSTEM HAVE FAILED AT CHECKPOINT [
nnnn
]. FOR
HELP IN RESOLVING THIS PROBLEM, PLEASE NOTE THIS CHECKPOINT AND CONTACT DELL TECHNICAL
SUPPORT — Contact Dell and report the checkpoint code (nnnn) to the support
technician (see "Contacting Dell" on page 295).
ALERT! PREVIOUS FAN FAILURES —
A
LERT! PREVIOUS PROCESSOR THERMAL FAILURE —
A
LERT! PREVIOUS SHUTDOWN DUE TO THERMAL EVENT —
Ensure that nothing is blocking the airflow vents and that all the fans are properly
installed and operating correctly. Also, ensure that the processor heat-sink assembly
is properly installed.
ALERT! PREVIOUS REBOOT WAS DUE TO VOLTAGE REGULATOR FAILURE — Contact Dell for
assistance (see "Contacting Dell" on page 295).
ALERT! SYSTE M BATTERY VOLTAGE IS LOW — Replace the battery (see "Battery" on
page 176).
ALERT! UNABLE TO INITIALIZE ALL INSTALLED MEMORY —
A
LERT! UNCORRECTABLE MEMORY ERROR PREVIOUSLY DETECTED IN DIMM_X/Y —
See "Memory Problems" on page 114.