Power mac g5 disassembly manual

To avoid electrocution, shut down the computer. Do not open the computer or attempt to install any items inside it while the computer is on. To avoid being burned, wait at least 10 minutes to allow the computer's internal components to cool. The panel should fall out.


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If the panel does not fall out by itself pull a little from the edges. NOTE: Apple inserted a rather fragile plastic pin that inserts through the top divider shield and clips into a tab on the hidden ledge of this CPU shield. Removing this pin, certainly voided Mac's warranty - but more appropriate for now, voids most after-market insurance plans. A replacement pin new is hard to get ahold of, and very few are talented and patient enough to remove this pin without damaging it.

Just something to keep in mind. If you have no warranty any longer or don't care, please continue Unplug the fan's power cable from the upper rightmost corner of the motherboard connection J If there is a video card in place, carefully pull the cable plug down between the back edge of the video card and the motherboard. Note, the photo shows the unplugged cable and the area it plugs into outlined in yellow. No video card is shown in this photo.

While pushing in on the tabs, highlighted in yellow, pull the fan back towards the cooling unit. Put the CPU case on its back with the opening facing up to make the next steps easier. Unscrew 8 T10 screws from the cooling unit. NOTE: these screws are acctually allen keys.

The prefered tool will be long handled allen keys. You may strip your tool or the actual screws themselves. Use a set of high quality long handled allen keys. The screws will loosen but will not come out, they are designed to loosen the unit, but remain in place. The last two images show another version of the LCS out of the computer in the G5 with off-center views to show the 8 screw holes.

The sleeves around the 6 screws may hold it in, if so just take a pair of needle nose pliers and gently squeeze the sleeves until it releases. Pull the bottom, then side towards the bottom of the CPU case, first to move around the bottom coolant sleeve around the heat sinking bracket. NOTE: Here are the standoffs without the cooling unit installed to make it easier to understand where the screws are located. Remove the bottom 2 standoffs so it is easier to remove the power supply. Check the pin connections for any damage. All the pins highlighted in yellow should appear straight up and not appear bent.

A bent pin will result in your computer not powering on. Cancel: I did not complete this guide. Badges: I have a different cooling apparatus in my Quad Core than the one pictured here. It has a wider radiator on the left side and two black pumps on the right side. The pumps are elevated away from the CPUs.

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I can only find 6 of the 8 screws mentioned in STEP The unit will not come out. If the 2 remaining screws are as pictured in STEP 18, then they would be directly under my radiator. Do I need to remove that too? I have the same problem with a G5 Dual 2. I am about to loose it. Page 31 Then install the upper hard drive with the cable routed below the drive, and connect the cable to the drive as illustrated. Page 32 Clip off the connector from the hard drive end of the lower hard drive cable.

Page 33 Then install the lower hard drive with the cable routed above the drive, and connect the cable to the drive as illustrated. Tools No tools are required for this procedure. Preliminary Steps Before you begin, open the computer. Page 35 Disconnect the optical drive ribbon cable from the logic board.

The cable connector is located under the media shelf that holds the optical drive. Push the optical drive levers out to release the drive. Page 36 Disconnect the power cable from the drive. Route the drive ribbon cable out through the opening in the media shelf and remove the drive and ribbon cable from the computer. Page 37 Then bend down the free end of the ribbon cable, route it through the opening at the back of the media shelf, and connect the cable to the logic board.

Preliminary Steps Before you begin, open the computer and lay it on its side with the access side facing up. Page 39 Procedure Hold the front inlet fan assembly by the front handle and firmly pull it out of the computer. Page 40 Important: Make sure the connector on the fan fully engages the fan connector on the logic board, or the computer will not operate properly. Gently pull the fan assembly to test whether it is connected. The slots are arranged in two banks of four slots each.

Handle the DIMM only by the edges. Before installing a card, check the specifications to make sure it can operate in the Power Mac G5 Late Note: When certain high-end video cards are installed in slot 1, they block the adjacent PCI Express slot slot 2. Once the replacement card is installed, pull on it gently to check that it is properly connected. Page 46 Pull the card gently to see if it is properly connected. If it resists and stays in place, and if its gold connectors are barely visible, the card is connected. Page 47 PCI card guide and the two screw holes in the card fence with the first two PCI card screw holes in the enclosure.

Then press down. Page 48 Remove the two screws that mount the PCI card guide to the logic board.

Power Mac G5 (A1177) Repair Guide

Slide the card guide up to release the two latches from the PCI divider, and remove the card guide from the enclosure. Page 49 Disconnect the Quadro FX cable from the logic board and remove the cable from the enclosure. Page Battery Before you begin, open the computer, lay it on its side with the access side facing up, and remove the front inlet fan assembly. Page 51 Important: Batteries contain chemicals, some of which may be harmful to the environment.

Please dispose of used batteries according to your local environmental laws and guidelines. Page 53 Disconnect the combo card from the runway card and lift up a short distance.

How To Remove The G5 Upper Shelf | tonymacxcom

Disconnect the two antenna cables from the card and remove the card from the enclosure. Replacement Note: The cables can attach to either connector on the card. Page 54 Repeat for the second rivet. Holding the runway card by its top edge, pull straight up to disconnect the card from the logic board. Page 56 Remove the two screws that mount the PCI card guide to the logic board.

Introduction

Page 60 Locate the ambient board connected to the logic board. Position your fingers on both sides of the board. Gently rock the board from side-to-side, pulling it straight up and out of the connector.

Troubleshooting

Page Heatsink Cover The only tool required for this procedure is a Xacto knife. Preliminary Steps Before you begin, open the computer, lay it on its side with the access side facing up, and remove the front inlet fan assembly. Extra rivets are available as part number Page 63 Replacement Note: Place the notches in the underside of the cover directly over the four mounting pegs. Slide the cover toward the back of the computer and then press down firmly until you feel the cover lock into place.

Page 65 Lift the fan bracket and fans out of the enclosure. If you are replacing the fans on a Power Mac G5 Late Quad computer, use needlenose pliers to pull each fan off the four grommets that mount it to the bracket, and remove the fans and cable from the bracket.

Page 66 Then rotate the fan back flush with the rear panel, making sure the two latches on the top of the bracket engage with the two slots on the top of the fan guide. Page 67 Replacement Note: Using a flatblade screwdriver, tuck the fan cable under the edge of the logic board. Page 69 Using a Xacto knife, pry up and remove the center of the first black rivet that mounts the runway card to the PCI divider. Pry up and remove the outer casing for the rivet. Repeat steps 1 and 2 for the second rivet. Page 70 Holding the runway card by its top edge, pull straight up to disconnect the card from the logic board.

Set the runway card with combo card attached to the side. There is no need to remove the runway card from the enclosure. Be sure to replace the processor heatsink cable in the clip on the PCI divider. Page 73 Remove the two media bay fan mounting screws. Rotate the fan counterclockwise. Route the fan cable out through the opening in the media bay shelf and remove the fan from the media bay. Page 74 Replacement Note: After placing the fan in the media bay, make sure the tabs on the bottom of the fan engage with the slots in the media bay shelf.

Then rotate the fan clockwise back into position. Page Processor Inlet Frame dual 2. Before installing the frame, apply the label to the frame as illustrated below. Page Processor dual 2. Warning: The heatsink and processor are one unit. Do not attempt to separate the heatsink from the processor. Using a long-handled 3 mm flathead hex driver, replace the two short screws that mount the power supply terminal. Remove the frame from the enclosure.

Disconnect the processor support bar cable from the processor cable. Do not remove the captive screws from their standoffs. Using a 3 mm flathead hex driver, remove the six long processor mounting screws. Power Mac G5 Late Take Apart — Processor Quad Page 88 Using a 3 mm flathead hex driver, remove the four short screws that mount the two processor terminal assemblies. Using a 4 mm ballhead hex driver, loosen the four captive screws near the middle of the processor.

Power Mac G5 Late Take Apart — Processor Quad Page 91 Using a 3 mm flathead hex driver, remove the four short screws that mount the two processor terminal assemblies. Gently rock the heatsink until it feels seated. Using a 3 mm flathead hex driver, replace the four short screws that mount the two processor terminal assemblies. Using a 3 mm flathead hex driver, tighten the four captive float plate screws.

Power Mac Disassembly

Page 98 Tilting the processor could damage the heatsink seal. Although the Power Mac G5 Late Dual support bar cable differs from the Quad cable it has two connectors rather than three , the take-apart procedure for all configurations is primarily the same. Page Remove the two mounting screws from the processor support bar. Disconnect the processor support bar cable from the logic board.

Page Depress the two clips on either side of the front inlet fan connector and remove the connector from the support bar. Unclip the cable from the support bar and remove the cable from the bar. Page Gently pull the board back from the front panel, tip the back of the board up so that it clears the DIMM slot ejectors, and remove the board from the enclosure. Page Replacement Note: When replacing the front panel board, align the ports on the board with the openings in the front panel board. Then press the board firmly to the enclosure. Page Remove the black rubber cap that covers the power button LED.

Lift up and remove the power button board.