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After Working on Your Computer
After you have completed any replacement procedures, ensure that you connect any external devices, cards, cables, and so on, before turning on your
computer.
1. Replace the computer cover (see Replacing the Computer Cover).
2. Connect any telephone or network cables to your computer.
3. Connect your computer and all attached devices to their electrical outlets.
4. Turn on your computer.
5. Verify that the computer works correctly by running the Dell Diagnostics. See your Setup and Quick Reference Guide for help running Dell Diagnostics.
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1
power connector
(PWR2)
2
processor heat sink/fan
assembly power
3
memory module connectors
(2)
4
main power
connector (PWR1)
5
serial ATA drive connector
(SATA2)
6
serial ATA drive connector
(SATA1)
7
serial ATA drive
connector (SATA3)
8
serial ATA drive connector
(SATA0)
9
battery socket
10
front I/O panel
connector
11
USB1 system board
connector (from front I/O
panel)
12
USB2 system board
connector (from front I/O
panel)
13
CMOS jumper (CLEAR
CMOS)
14
USB3 system board
connector
15
audio connector (AUDIO1)
(from front I/O panel)
16
PCI connector (PCI1)
17
PCI connector (PCI2)
18
PCI Express x16 connector
(PCIE_x16)
19
PCI Express x1
connector (PCIE_X1)
20
audio connectors
21
one LAN and two USB ports
22
chassis fan power
23
USB ports (2)
24
video connector (VGA)
25
PS/2 mouse and
keyboard connectors
NOTICE: To connect a network cable, first plug the cable into the network device and then plug it into the computer.