Replaced the Hard Drive, now there's no power! What did I do?
Any help would be appreciated!
I have a PowerBook 17" G4 and I just replaced the hard drive. After using ifixit's directions, I hooked everything up and tried to start it. Nothing! I re-opened the case and checked all of my connections. Nothing! Not a peep. Then I put my old hard drive in and reconnected. Still nothing.
I was seated the whole time and, to the best of my knowledge, never built up static electricity. I can't figure out the next step. Also, I tried to reset the PMU, but I'm not even sure that would have worked since it won't start. The PB is old, so a new one is probably in order soon, but I'd like to get another year or so out of it.
Any ideas? I've read that the logic board can fail. If so, is that easy to replace? I'm no expert, but I did (unsuccessfully) install a hard drive!
Thanks in advance for any suggestions you might have.
You also have to sometimes accept that everytime you open up and unplug things, you run the risk of disturbing something.
No matter how experienced you are, I have seen many times where just the act of swapping a CPU or changing RAM has triggered a failure elsewhere in the system.
I think the culprit of these occurances is voltage remaining in the capacitors. It is widely acknowledged that holding the power button down for 30 seconds after unplugging devices can restore function, so it is equally likely that failiing to do so, and failing to release the charge held in the capacitors before doing work can lead to internal discharges when plugging and unplugging devices and therefore lead to unwittingly damaging equipment.
Just a theory though.....
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Reinstalling OS X Without Erasing the Drive
Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
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Also see:
Reinstall OS X Without Erasing the Drive
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OS X Yosemite- Reinstall OS X
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☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, press the key combination shift-command-U. The application is in the folder that opens.
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Select the most recent panic log under System Diagnostic Reports. Post the contents – the text, please, not a screenshot. For privacy’s sake, I suggest you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header and body of the report, if it’s present (it may not be.) Please don't post "shutdownStall" or "hang" reports.
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Select the language you wish to use, and then choose "Disk Utility" from the menu bar.
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I picked out the hard drive and I know where the hard drive in my laptop will be located, and how to remove and replace it. However I'm a little worried about actually doing it. I wouldn't need to back anything up because I haven't used it before, so can I just replace the hard drive before I ever even turn it on for the first time?
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SfithyDouble & triple check that you installed the hard drive correctly.
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