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Apple Computing Products:
macOS - Desktop Hardware
Imac 2009, possible problems?
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<blockquote data-quote="harryb2448" data-source="post: 1454956" data-attributes="member: 42497"><p>G'day and welcome to the forums.</p><p></p><p>The reason you see no BIOS is because Macs do not have them but EFI. What operating system are you using? This help immensely. If it is a system installed by discs, insert the DVD and boot, holding down 'c'. Leave the installer and go to Utilities > Disk Utility and choose Repair Disk. Advise us of the result.</p><p></p><p>If it is a Lion or Mountain Lion system, use Lion Recovery mode.</p></blockquote><p></p>
[QUOTE="harryb2448, post: 1454956, member: 42497"] G'day and welcome to the forums. The reason you see no BIOS is because Macs do not have them but EFI. What operating system are you using? This help immensely. If it is a system installed by discs, insert the DVD and boot, holding down 'c'. Leave the installer and go to Utilities > Disk Utility and choose Repair Disk. Advise us of the result. If it is a Lion or Mountain Lion system, use Lion Recovery mode. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Imac 2009, possible problems?
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