- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Device drivers
- System setup
- Troubleshooting
- Handling swollen Lithium-ion batteries
- Dell SupportAssist Pre-boot System Performance Check diagnostics
- System-diagnostic lights
- Recovering the operating system
- Updating the BIOS using the USB drive in Windows
- Updating the BIOS in Windows
- Enabling Intel Optane memory
- Disabling Intel Optane memory
- WiFi power cycle
- Flea power release
Inspiron 7391 2n1 Service Manual
Screw list
NOTE When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box. This is to ensure that the correct number of screws and correct screw type is restored when the component is replaced.
NOTE Some computers have magnetic surfaces. Ensure that the screws are not left attached to such surfaces when replacing a component.
NOTE Screw color may vary with the configuration ordered.
| Component | Secured to | Screw type | Quantity | Screw image |
|---|---|---|---|---|
| Base cover | Palm-rest assembly | M2x4 | 6 |  |
| Battery | Palm-rest assembly | M1.6x4 | 1 |  |
| Battery | Palm-rest assembly | M2x2 Big Head | 4 |  |
| Fan | Palm-rest assembly | M2x2 | 2 |  |
| Display hinges | Palm-rest assembly | M2x3.5 | 5 |  |
| Keyboard | Palm-rest assembly | M1.2x1.3 | 4 |  |
| Keyboard bracket | Palm-rest assembly | M1.2x1.8 | 29 |  |
| Power-adapter port | Palm-rest assembly | M2x3 | 1 |  |
| Solid-state drive | Palm-rest assembly | M2x2 | 1 | |
| System board | Palm-rest assembly | M2x2 Big Head | 4 | |
| Touchpad bracket | Palm-rest assembly | M1.6x2 | 3 |  |
| Touchpad | Palm-rest assembly | M1.6x2 | 2 | |
| Wireless-card bracket | System board | M2x3 | 1 | |
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