Dell Inspiron 14 5457 driver and firmware
Related Dell Inspiron 14 5457 Manual Pages
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Service Manual - Page 9
.... 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 10
... thumb-screws that you must disengage before disconnecting the cable. When disconnecting cables, keep them evenly aligned to avoid bending any connector pins. When connecting cables, ensure that the ports and connectors are correctly oriented and aligned.
CAUTION: Press and eject any installed card from the media-card reader.
Recommended tools
The procedures in this document may require...
Service Manual - Page 37
... 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 www.dell.com/regulatory_compliance.
Procedure
NOTE: If you are installing a new keyboard, fold the cables the same way they are folded on...
Service Manual - Page 104
... update is available or when you replace the system board. To flash the BIOS: 1 Turn on the computer. 2 Go to www.dell.com/support. 3 Click Product Support, enter the Service Tag of your computer 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 Select the operating system installed...