Dell Inspiron 15 7557 driver and firmware
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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
... the cable itself. Some cables have connectors with locking tabs or 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...
Service Manual - Page 91
... 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...
Service Manual - Page 92
... system
www.dell.com/support/windows www.dell.com/support/linux
Troubleshooting information, user manuals, setup instructions, product specifications, technical help blogs, drivers, software updates, and so on
www.dell.com/support
Learn about your operating system, setting up and using your computer, data backup, diagnostics, and so on.
See Me and My Dell at www.dell.com/support/manuals.
92
Quick Start Guide - Page 1
Inspiron 15
7000 Series
Quick Start Guide
1 Connect the power adapter and press the power button
2 Finish operating system setup
Windows
Enable security and updates
Connect to your network
Locate Dell apps
查找 Dell Dell
Register your computer
Dell Backup Backup, recover, repair, or restore your computer and Recovery
Dell Help & Support Dell Dell
NOTE: ...
Quick Start Guide - Page 2
...area
14. Network port
15
2. Camera
9. Right‑click area
15. Security-cable slot
14 13 12
3. Camera-status light 4. Left microphone 5. Power-adapter port
10. Power and battery‑status light
11. Media-card reader
16. Power button 17. Service Tag label
Shortcut keys
11
6. USB 3.0 ports (2)
12. USB 3.0 port with
PowerShare
7. Headset port
13. HDMI port
Mute audio
静...