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Q: Can anyone help my G5 powerMac problem
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Dec 29, 2012 5:02 PMby japamac,HelpfulWake from sleep problems have many causes. Often, an external device is the cause, with USB connected hard drives and card readers being top of the list.
USB PCI cards and connected devices also have potential issuesd:
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Read through the following and see what applies to you:
Mac OS X: Why your Mac might not sleep or stay in ... - Support - Apple
For now, troubleshoot by removing all external devices except mouse, keyboard and monitor.
If the keyboard or mouse are Bluetooth, make sure that wake functions are set in the Bluetooth preferences.
Use a wired keyboard and mouse to compare performance.
