User Guide

TITLE
PowerBook G4: Dialog Box "Built-in Memory Test Has Detected an
Error" Comes Up On Startup
Writer:
Created:
Modified:
Huckabone, Michael
2001-7-20
2001-8-17
TOPIC
During startup boot sequence and before reaching Finder, the following dialog box appears: "The
built-in memory test has detected an error."
DISCUSSION
*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *
Internal Use Only
Troubleshooting Procedure
The steps to solve a symptom are listed sequentially. You might not need to perform every step
before the symptom is solved. Start with the first step, and then test for the symptom. If the
symptom persists, replace any modules you removed, go to the next step, and test again.
Continue down the list until the symptom is solved.
If a RAM card is installed in the upper expansion slot (if not, skip to next step), remove it
and restart. Refer to Customer-Installable-Parts Memory Replacement instructions.
If symptom does NOT repeat, replace RAM card.
■
If symptom repeats, replace RAM in lower RAM slot with known-good SDRAM
SO-DIMM RAM card and restart.
If symptom repeats, replace logic board.
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■
1.
If a RAM card is NOT installed in the upper expansion slot, replace RAM in lower RAM
slot with known-good SDRAM SO-DIMM RAM card and restart. Refer to
Customer-Installable-Parts Memory Replacement instructions.
If symptom repeats, replace logic board.
■
2.
Document Information
Product Area: PowerBook G4
Category: PowerBook G4 Hardware
Sub Category: Troubleshooting
Keywords: kpbook kssts hts
Contributor:
Process Owner: