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Just bought an old PowerBook 3400c for next to nothing. Unit is in great shape but has black screen. Chime on startup, hard drive spins up after about a 10 second pause. How can I determine if this is a VRAM problem on the motherboard, or a cable or screen problem?
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This model should have a VGA out port, so try connecting an external display, then powering up the system. You can also check for a failed backlight by shining a bright flashlight into areas of the LCD to see of the image is there, just not lit up.
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David is correct in suggesting the OP try an external display. The Wallstreet guide is not correct however as the OP states his computer is a 3400c and has the PPC 603e CPU--not the G3. Ralph +
I have hp desktop computer number 6190. Start computer normally but after few second black screen then stop
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Can you connecting to an external display?
by rab777hp