Dell Inspiron 14 5458 driver and firmware
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Service Manual - Page 10
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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.
Safety instructions
Use the...
Service Manual - Page 11
...aligned to avoid bending any connector pins. When connecting cables, ensure 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 15
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WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Procedure
Slide the...
Service Manual - Page 99
... 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 Click Product Support, enter the Service Tag of your laptop and click
Submit. NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model.
4 Click Drivers & downloads. 5 Scroll...
Service Manual - Page 100
...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...