Dell Inspiron 20 3043 driver and firmware
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Service Manual - Page 7
... cables such as telephone cables, network cables and so on, from your computer.
5 Disconnect all attached devices and peripherals, such as keyboard, mouse, monitor, and so on, from your computer.
6 Remove any media card and optical disc from your computer, if applicable.
7 After the computer is unplugged, press and hold the power button for 5 seconds to ground the system board.
Safety Instructions...
Service Manual - Page 8
... to avoid bending any connector pins. When connecting cables, make sure that the ports and connectors are correctly oriented and aligned.
CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.
CAUTION: Press and eject any installed card from the media-card reader.
Recommended Tools
The procedures in this document may...
Service Manual - Page 69
Flashing the BIOS
You may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS: 1 Turn on the computer. 2 Go to dell.com/support. 3 If you have your computer's Service Tag, type your computer's Service
Tag and click Submit. If you do not have your computer's Service Tag, click Detect My Product to allow automatic detection of...
Service Manual - Page 70
..., user manuals, setup instructions, product specifications, technical help blogs, drivers, software updates, and so on
See dell.com/support.
Information about Microsoft Windows 8/8.1
See dell.com/windows8.
Information about Microsoft Windows 7
Click Start → All Programs → Dell Help Documentation.
Learn about your operating system, setting up and using your computer, data...
Service Manual Battery - Page 8
... for shut-down instructions.
3 Disconnect your computer and all attached devices from their electrical outlets.
4 Disconnect all cables such as telephone cables, network cables and so on, from your computer.
5 Disconnect all attached devices and peripherals, such as keyboard, mouse, monitor, and so on, from your computer.
6 Remove any media card and optical disc from your computer, if applicable...
Service Manual Battery - Page 9
... to avoid bending any connector pins. When connecting cables, make sure that the ports and connectors are correctly oriented and aligned.
CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.
CAUTION: Press and eject any installed card from the media-card reader.
Recommended Tools
The procedures in this document may...
Service Manual Battery - Page 74
Flashing the BIOS
You may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS: 1 Turn on the computer. 2 Go to dell.com/support. 3 If you have your computer's Service Tag, type your computer's Service
Tag and click Submit. If you do not have your computer's Service Tag, click Detect My Product to allow automatic detection of...
Service Manual Battery - Page 75
...information, user manuals, setup instructions, product specifications, technical help blogs, drivers, software updates, and so on
See dell.com/support.
Information about Microsoft Windows 8.1
See dell.com/windows8.
Information about Microsoft Windows 7
Click Start → All Programs → Dell Help Documentation.
Learn about your operating system, setting up and using your computer, data...