Member Avatar for normanhilda

Hi all, is it possible to up date to 10.4 Tiger. Thanks, Norm.

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Brief addendum referencing earlier replies: and are correct — many G4 towers can run Mac OS X 10.4 Tiger, but success depends on the exact model and having the correct install media. The practical items that often trip people up are the install source (retail Tiger DVD vs model-specific restore discs), available RAM and free disk space, and any required firmware updates for the machine.

Checklist and preparation: identify the Mac model and CPU from Apple menu → About This Mac → More Info (that model identifier makes it easy to confirm firmware and compatible install media). Make a full backup (disk image or bootable clone) before changing the system. If the internal optical drive is unreliable, use an external FireWire/USB DVD or install via Target Disk Mode from another Mac. Confirm you have either a retail Tiger DVD or the restore discs that shipped with that Mac—restore discs are model‑specific.

Install and first steps: boot the installer (hold C or Option at startup to select the DVD), decide between an Upgrade install or a clean install (clean installs often give better long‑term results). After installation, apply the final Tiger update (the 10.4.x combo update) and run Software Update until nothing remains. Reinstall or update third‑party drivers (video, printers, RAID controllers) after upgrading.

Troubleshooting and cautions: if the DVD won’t boot or the installer fails, try resetting PRAM (hold Command+Option+P+R), boot the installer and run Disk Utility to repair or reformat the drive as Mac OS Extended (Journaled). If performance is sluggish, additional RAM (as reported by ) noticeably helps. Finally, remember Tiger is a legacy OS with no modern security updates — avoid using it for sensitive web activities unless it’s isolated from the internet.

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Member Avatar for Danarchy

Yes assuming you meet all the system requirements.

Member Avatar for jbennet

So long as your CPU is 333 MHz or more, youve got FireWire, 256 MB of RAM (512 MB or 1 GB recommended), 4 GB of disk space and a DVD drive.

Member Avatar for paul.opensource

Running 10.4 on a G4 DA 533x2, 1.5 gig and it runs great. Would love to get a new iMac but need to win the lottery first...;)

Member Avatar for normanhilda

So long as your CPU is 333 MHz or more, youve got FireWire, 256 MB of RAM (512 MB or 1 GB recommended), 4 GB of disk space and a DVD drive.

Thank you I will try it. Norm.

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