Dell OptiPlex 7770 All In One OptiPlex 7770 All-in-One Service Manual - Page 43

Removing the heat sink - UMA

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3. Install the following components: a) System board shield b) Back cover c) Stand 4. Follow the procedure in After working inside your computer. Removing the heat sink - UMA 1. Follow the procedure in Before working inside your computer. 2. Remove the following components: a) Stand b) Back cover c) System board shield 3. Loosen the five captive screws in a sequential order [ 1,2,3,4,5] as mentioned on the heat sink.[1]. 4. Lift the heat sink off the system board and display assembly base [2]. Removing and Installing components 43

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3.
Install the following components:
a)
System board shield
b)
Back cover
c)
Stand
4.
Follow the procedure in
After working inside your computer
.
Removing the heat sink - UMA
1.
Follow the procedure in
Before working inside your computer
.
2.
Remove the following components:
a)
Stand
b)
Back cover
c)
System board shield
3.
Loosen the five captive screws in a sequential order [ 1,2,3,4,5] as mentioned on the heat sink.[1].
4.
Lift the heat sink off the system board and display assembly base [2].
Removing and Installing components
43