Apple 145B, 170 manual Peripherals

TroubleshootingSymptom Charts/Peripherals (Continued) - 19

Peripherals (Continued)

Cursor does not move	1	Press reset switch.
when using trackball	2	Check interconnect board, daughterboard, and motherboard
	3	connections.
		Try low-power mouse. If cursor moves, replace trackball or
	4	keyboard.
		Replace interconnect board.
	5	Replace daughterboard.
	6	Replace motherboard.
Cursor intermittently	1	Clean ball and rollers of trackball.
does not move or	2	Replace trackball.
moves erratically	3	Replace keyboard.
	4	Replace interconnect board.
	5	Replace motherboard.