Power Mac G5 Processor and Cooling Unit Replacement
- Yazar: Nolan
- Tahmini süre: 30 dakika
- Zorluk: Orta
This will overview the process to remove and replace the Cooling and Processing unit of the Apple G5. Due to design restrictions of the device it is difficult replace the just processors without permanently damaging the entire unit. So this portion of the guide will only overview removal of the entire unit.
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Adım 1 — Processor and Cooling Unit ¶
Locate the Cooling Unit on the Apple G5.
Put the CPU case on its back with the opening facing up to make the next steps easier.
Adım 2 ¶
Unscrew 8 T10 screws from the cooling unit. NOTE: these screws are acctually allen keys. The prefered tool will be long handled allen keys. t10 are 2.74mm (closest allen key is 2.5 or 3mm) and t15 are 3.27mm(closest allen key is 3mm and 4mm). 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.
Adım 3 ¶
Pull the cooling/processing unit straight up to prevent damage to logic board
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. *heat sinking bracket not in picture*
Adım 4 ¶
Disconnect the cable.
Adım 5 ¶
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. DON'T TOUCH THE PINS. A bent pin will result in your computer not powering on.