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crwdns2944351:0crwdnd2944351:0HP Desktop 550-A39 Fan Replacementcrwdnd2944351:0crwdne2944351:0

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Conclusion
To reassemble your device, follow these instructions :
1) Connect the fan power cable back on
1) Insert new fan, align on thick guard rails, and screw 15 mm Flathead screws back on
2) Insert new fan and screw it back on
2) Securely tighten the CPU fan wire back into the slot and make sure everything is in its place!
3) Securely tightenPut the wirelid back intoon the slotPC
4) Put the lid back on the PC
4) Slide it back into position until it clips shut
5) Slide it back into position until it clips shut
5) Put the 10 mm Flathead screw back on and screw shell casing tightly
6) putPlug the screw back on and screw tightly

7) plug
power cord back in and turn on pcthe PC