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The PowerBook 170 was released by Apple Inc. in 1991 along with the PowerBook 100 and the PowerBook 140. Identical in form factor to the 140, it was the high end of the original PowerBook line featuring a faster 25 MHz Motorola 68030 processor with Floating point unit (FPU) and a more expensive and significantly better quality 10 in (250 mm) active matrix display. It was replaced by the PowerBook 180 in 1992.

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PowerBook 170 turns on but won’t show the flashing question mark

My Macintosh PowerBook 170 does turn on, but does not show the floppy disk with “flashing question mark” on it. What can I do?

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See if it will start up using the original system installation disk.

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