Motorola 100 manual Symptom Charts, Startup

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TroubleshootingSymptom Charts/Startup - 3

Symptom Charts

Startup

Error chord sounds	1	Connect AC adapter and restart computer in three or four
during startup	2	minutes.
sequence	2	Replace memory expansion board (if installed). Refer to
	3	“Memory Expansion Card” in Upgrades.
	3	Replace motherboard.
	4	Replace daughterboard.
Screen displays	1	Reseat RAM expansion card.
checkerboard pattern;	2	Replace RAM expansion card.
no startup chime	3	Replace daughterboard.
	4	Reseat display cable.

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Contents PowerBook Speciﬁcations Processor Memory Disk Storage Interfaces Sound Devices Video Display Sound and VideoElectrical Power Adapter Troubleshooting General Power Manager Reset Startup Symptom ChartsPower Power Power Video Video Video Video Video Video Hard Drive Troubleshooting Symptom Charts/Hard Drive Peripheral Troubleshooting Symptom Charts/Peripheral Peripheral Peripheral Peripheral Internal Modem Internal Modem Internal Modem Internal Modem Miscellaneous PowerBook 100 Startup Problems Flowchart Take Apart Guidelines Backup Batteries Connector Panel Cover Batteries Backup Battery Door Replacement Note Make Backup Battery Door Page Main Battery Page Main Battery Cover Locking Tab Connector Panel Cover Right Cover Peg Display Assembly Page Page Assembly and open Keyboard Take Apart Take Apart Keyboard Palm Rest Cover Page Replacement Note To Trackball Assembly Trackball Cable Connector Hard Drive Take Apart Hard Drive Page Replacement Note If Elevation Foot Take ApartElevation Foot Using needlenose pliers Brightness & Contrast Knobs Contrast and brightness Daughterboard Daughterboard J318J319 Motherboard Take Apart Motherboard Top Cover Clutch Plate Cover Screw Locking Tabs Clutch Cover Replacement Note Position Top Cover Interconnect Cable Speaker Display Bezel Take Apart Display Bezel Page Display Take Apart Display Move the interconnect Inverter Board Display Lamp Cable Connector Sure the blue insulator end Upgrades Fax/Data Modem To install a fax/data modem Modem Connector Cover J1 Connector Standoff J9 Connector Upgrades DOC Remove the fax/data modem Memory Expansion Card Page Page Additional Procedures Fuse Page Additional Procedures Fuse Fuse Fuse Holder Battery Recharger Page Scsi Termination Page Battery Handling Follow these guidelines for Page Battery Verification Set the voltmeter to AC Adapter Verification Page Display Bulb Replacement Caution Replacement Note When Exploded View Power Book