Dell Inspiron 3020 Small Desktop Service Manual - Page 51

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Steps 1. Slide the system board at an angle with the rear external ports aligned to their respective openings at the rear of the chassis. 2. Place the system board onto the chassis. 3. Replace the seven screws (#6-32) and the screw (#6-32x3.8) to secure the system board on the chassis. 4. Route and connect the following cables to the system board. ● hard-drive and optical-drive power cable ● optical-drive data cable ● hard-drive data cable ● system-board power cable ● power-button cable ● processor-power cable 5. Align and place the front I/O bracket with I/O slot on the chassis. 6. Replace the screw (#6-32) to secure the front I/O bracket on the chassis. Next steps 1. Install the processor. 2. Install the fan and heat-sink assembly. 3. Install the fan shroud. 4. Install the media-card reader. 5. Install the coin-cell battery. 6. Install the wireless card. 7. Install the M.2 2230 solid-state drive or M.2 2280 solid-state drive, as applicable. 8. Install the memory. 9. Install the hard-drive and optical-drive cage. 10. Install the 3.5-inch hard drive or 2.5-inch hard drive. 11. Install the front cover. 12. Install the left-side cover. 13. Follow the procedure in After working inside your computer. Recommended tools The procedures in this document may require the following tools: ● Philips screwdriver #1 and #2 Removing and installing components 51

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Steps
1.
Slide the system board at an angle with the rear external ports aligned to their respective openings at the rear of the
chassis.
2.
Place the system board onto the chassis.
3.
Replace the seven screws (#6-32) and the screw (#6-32x3.8) to secure the system board on the chassis.
4.
Route and connect the following cables to the system board.
●
hard-drive and optical-drive power cable
●
optical-drive data cable
●
hard-drive data cable
●
system-board power cable
●
power-button cable
●
processor-power cable
5.
Align and place the front I/O bracket with I/O slot on the chassis.
6.
Replace the screw (#6-32) to secure the front I/O bracket on the chassis.
Next steps
1.
Install the
processor
.
2.
Install the
fan and heat-sink assembly
.
3.
Install the
fan shroud
.
4.
Install the
media-card reader
.
5.
Install the
coin-cell battery
.
6.
Install the
wireless card
.
7.
Install the
M.2 2230 solid-state drive
or
M.2 2280 solid-state drive
, as applicable.
8.
Install the
memory
.
9.
Install the
hard-drive and optical-drive cage
.
10.
Install the
3.5-inch hard drive
or
2.5-inch hard drive
.
11.
Install the
front cover
.
12.
Install the
left-side cover
.
13.
Follow the procedure in
After working inside your computer
.
Recommended tools
The procedures in this document may require the following tools:
●
Philips screwdriver #1 and #2
Removing and installing components
51