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Apple Computing Products:
macOS - Desktop Hardware
time is incorrect upon startup
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<blockquote data-quote="Randy B. Singer" data-source="post: 1584230" data-attributes="member: 190607"><p>You need a new PRAM battery (not to be confused with a PRAM reset). You are lucky. Often the first sign that your PRAM battery has died is that your date and time are wrong. But sometimes the first sign that your PRAM battery is dead is that your Mac will completely refuse to start!</p><p></p><p>There's good news and bad news about replacing your PRAM battery. The good news is that the battery is common and cheap. It is a CR2032 coin cell that you can get at someplace like WalMart's jewelry department for less than $5. The bad news is that it is a bear to replace. I recommend that you have a repair place do it. If you are handy, here are instructions:</p><p></p><p><a href="http://www.ifixit.com/Guide/iMac+Intel+21.5-Inch+EMC+2428+PRAM+Battery+Replacement/5963" target="_blank">iMac Intel 21.5" EMC 2428 PRAM Battery Replacement - iFixit</a></p></blockquote><p></p>
[QUOTE="Randy B. Singer, post: 1584230, member: 190607"] You need a new PRAM battery (not to be confused with a PRAM reset). You are lucky. Often the first sign that your PRAM battery has died is that your date and time are wrong. But sometimes the first sign that your PRAM battery is dead is that your Mac will completely refuse to start! There's good news and bad news about replacing your PRAM battery. The good news is that the battery is common and cheap. It is a CR2032 coin cell that you can get at someplace like WalMart's jewelry department for less than $5. The bad news is that it is a bear to replace. I recommend that you have a repair place do it. If you are handy, here are instructions: [url=http://www.ifixit.com/Guide/iMac+Intel+21.5-Inch+EMC+2428+PRAM+Battery+Replacement/5963]iMac Intel 21.5" EMC 2428 PRAM Battery Replacement - iFixit[/url] [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
time is incorrect upon startup
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