Dell Inspiron 5391 Setup and Specifications
This document provides setup instructions and detailed specifications for the Dell Inspiron 5391 laptop.
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Chapter 1: Set up your Inspiron 5391
NOTE: The images in this document may differ from your computer depending on the configuration you ordered.
- Connect the power adapter and press the power button.
- Finish operating system setup.
- For Ubuntu: Follow the on-screen instructions. For more information, see knowledge base articles SLN151664 and SLN151748 at www.dell.com/support.
- For Windows: Follow the on-screen instructions. Dell recommends connecting to a network for Windows updates. If connecting to a secured wireless network, enter the password when prompted. Sign in with or create a Microsoft account if connected to the internet; otherwise, create an offline account. Enter your contact details on the Support and Protection screen.
- Locate and use Dell apps from the Windows Start menu.
- My Dell: Centralized location for key Dell applications, help articles, and important computer information. Notifies about warranty status, recommended accessories, and software updates.
- SupportAssist: Pro-actively checks hardware and software health. The SupportAssist OS Recovery tool troubleshoots operating system issues. See SupportAssist documentation at www.dell.com/support.
NOTE: In SupportAssist, click the warranty expiry date to renew or upgrade your warranty. - Dell Update: Updates your computer with critical fixes and latest device drivers. See knowledge base article SLN305843 at www.dell.com/support for usage information.
- Dell Digital Delivery: Download software applications purchased but not pre-installed. See knowledge base article 153764 at www.dell.com/support for usage information.
Chapter 2: Views of Inspiron 5391
Left View
1. Power-adapter port: Connect a power adapter to provide power.
2. HDMI port: Connect to a TV, external display, or another HDMI-in enabled device. Provides video and audio output.
3. USB 3.1 Gen 1 (Type-C) port/DisplayPort: Connect devices like external storage or printers. Provides data transfer speeds up to 5 Gbps. A USB Type-C to DisplayPort adapter (sold separately) is required for DisplayPort devices.
4. microSD-card slot: Reads from and writes to the microSD-card.
Right View
1. Micro-SIM card slot (optional): Insert a micro-SIM card to connect to a mobile broadband network.
2. Headset port: Connect headphones or a headset (headphone and microphone combo).
3. USB 3.1 Gen 1 port: Connect devices like external storage or printers. Provides data transfer speeds up to 5 Gbps.
Touchpad
1. Left-click area: Press to left-click.
2. Touchpad: Move your finger to move the mouse pointer. Tap to left-click; two-finger tap to right-click.
3. Right-click area: Press to right-click.
4. Power button with optional fingerprint reader: Press to turn on the computer. Press to put the computer into sleep state; press and hold for 10 seconds to force shut-down. If it has a fingerprint reader, place your finger on the button to log in.
NOTE: You can customize power-button behavior in Windows. See Me and My Dell at www.dell.com/support/manuals.
NOTE: Computers with a fingerprint reader do not have a power-status light on the power button.
Display
1. Left microphone: Provides digital sound input for audio recording and voice calls.
2. Camera: Enables video chat, photo capture, and video recording.
3. Camera-status light: Turns on when the camera is in use.
4. Right microphone: Provides digital sound input for audio recording and voice calls.
Bottom View
1. Left speaker: Provides audio output.
2. Service Tag label: A unique alphanumeric identifier for hardware identification and warranty information.
3. Right speaker: Provides audio output.
Chapter 3: Specifications of Inspiron 5391
Dimensions and weight
| Description | Values |
| Height: | |
| Front | - Wireless Local Area Network (WLAN) - 14.90 mm (0.59 in.) - Wireless Wide Area Network (WWAN) - 16.80 mm (0.66 in.) |
| Rear | - Wireless Local Area Network (WLAN) - 16.50 mm (0.65 in.) - Wireless Wide Area Network (WWAN) - 18.50 mm (0.73 in.) |
| Width | 307.60 mm (12.11 in.) |
| Depth | 204.50 mm (8.05 in.) |
| Weight (maximum) | - Wireless Local Area Network (WLAN) - 1.18 kg (2.60 lb) - Wireless Wide Area Network (WWAN) - 1.20 kg (2.65 lb) NOTE: The weight depends on configuration and manufacturing variability. |
Processors
| Description | Values | ||
| Processors | 10th Generation Intel Core i3 | 10th Generation Intel Core i5 | 10th Generation Intel Core i7 |
| Wattage | 15 W | 15 W | 15 W |
| Core count | 2 | 4 | 4 |
| Thread count | 4 | 8 | 8 |
| Speed | Up to 3.5 GHz | Up to 3.9 GHz | Up to 4.6 GHz |
| Cache | 4 MB | 6 MB | 8 MB |
| Integrated graphics | Intel UHD Graphics | Intel UHD Graphics | Intel UHD Graphics |
Chipset
| Description | Values |
| Chipset | Integrated in the processor |
| Processor | 10th Generation Intel Core i3/i5/i7 |
| DRAM bus width | 64-bit |
| Flash EPROM | 32 MB |
| PCle bus | Up to Gen3 |
Operating system
- Windows 10 Home (64-bit)
- Windows 10 Professional (64-bit)
- Ubuntu
Memory
| Description | Values |
| Slots | Onboard memory NOTE: The memory is integrated on the system board and cannot be upgraded. |
| Type | LPDDR3 |
| Speed | 2133 MHz |
| Maximum memory | 16 GB |
| Minimum memory | 4 GB |
| Memory size per slot | Not supported |
| Configurations supported | - 4 GB LPDDR3 at 2133 MHz - 8 GB LPDDR3 at 2133 MHz - 16 GB LPDDR3 at 2133 MHz |
Ports and connectors
External ports and connectors
| External: | |
| USB | - One USB 3.1 Gen1 port - One USB 3.1 Gen1 (Type-C) port/DisplayPort |
| Audio | One headset (headphone and microphone combo) port |
| Video | One HDMI 1.4b port |
| Media card reader | One microSD-card slot |
| Docking port | Not supported |
| Power adapter port | One 4.5 mm DC-in |
| Security | N/A |
Internal ports and connectors
| Internal: | |
| M. 2 | - One M.2 2230 slot for Wi-Fi and Bluetooth combo card - One M.2 2230 slot for WWAN or M.2 2230 solid-state drive - One M.2 slot for one of the following: - Solid-state drive (2230/2280) - Intel Optane Memory H10 with solid-state storage (2280) NOTE: To learn more about M.2 card features, see knowledge base article SLN301626. |
Communications
WLAN module
| Description | Values | |
| Model number | Intel 9560 | Intel 9462 |
| Transfer rate | Up to 1730 Mbps | Up to 433 Mbps |
| Frequency bands supported | 2.4 GHz / 5 GHz | 2.4 GHz / 5 GHz |
| Wireless standards | - WiFi 802.11a/b/g - Wi-Fi 4 (WiFi 802.11n) - Wi-Fi 5 (WiFi 802.11ac) | - WiFi 802.11a/b/g - Wi-Fi 4 (WiFi 802.11n) - Wi-Fi 5 (WiFi 802.11ac) |
| Encryption | - 64-bit/128-bit WEP - AES-CCMP - TKIP | - 64-bit/128-bit WEP - AES-CCMP - TKIP |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 |
WWAN module
| Description | Values |
| Model number | Intel 7360 (DW5820e) |
| Transfer rate | Up to 450 Mbps DL/50 Mbps UL (Cat 9) |
| Frequency bands supported | - LTE FDD: 450 Mbps DL/50 Mbps UL (Cat 9) - LTE TDD: B347 Mbps DL/30 Mbps UL (Cat 9) - UMTS/HSPA+: UMTS 384 Kbps DL/384 Kbps UL |
| Wireless standards | - LTE Category 16 - UMTS/HSPA+ |
| Encryption | Not supported |
| Global Navigation Satellite System (GNSS) | Supports GPS, BDS, and GLONASS |
Audio
| Description | Values |
| Controller | Realtek ALC3204 |
| Stereo conversion | Supported |
| Internal interface | Intel HDA |
| External interface | Headset Combo Connector |
| Speakers | 2 |
| Internal speaker amplifier | Supported |
| External volume controls | Keyboard shortcut controls |
| Speaker output: | 2 W 2.5 W Not supported |
| Subwoofer output | Dual-array microphones |
| Microphone |
Storage
Your computer supports one of the following configurations:
- One M.2 2230/2280 solid-state drive
- One M.2 2230/2280 solid-state drive and one M.2 2230 solid-state drive
- One M.2 card (solid-state drive or Intel Optane Memory H10 with solid-state storage)
| Form factor | Interface type | Capacity |
| One M.2 2230/2280 solid-state drive | PCle Gen3.0x4 NVMe, up to 32 Gbps | Up to 512GB |
| One M.2 2230 solid-state drive | PCle Gen3.0x2 NVMe, up to 16 Gbps | Up to 512GB |
| M.2 2280 Intel Optane Memory H10 with solid-state storage | Solid-state storage: PCle Gen 3.0x2 NVMe | Not supported |
Intel Optane Memory H10 with solid-state storage (optional)
Intel Optane technology utilizes 3D XPoint memory technology and functions as a non-volatile storage cache/accelerator and/or storage device. Intel Optane Memory H10 with solid-state storage functions as both a non-volatile storage cache/accelerator and a solid-state storage solution. It neither replaces nor adds to the memory (RAM) installed on your computer.
| Description | Values |
| Interface | PCle 3.0 x4 NVMe |
| - One PCle 3.0 x4 for Optane memory - One PCle 3.0 x2 for solid-state storage | |
| Connector | M.2 |
| Form factor | 2230 / 2280 |
| Capacity (Optane memory) | Up to 32 GB |
| Capacity (solid-state storage) | Up to 512 GB |
NOTE: Intel Optane Memory H10 with solid-state storage is supported on computers with 9th Generation or higher Intel Core i3/i5/i7 processors, Windows 10 64-bit version or higher (Anniversary Update), and Intel Rapid Storage Technology driver version 15.9.1.1018 or higher.
Media-card reader
| Description | Values |
| Type | One microSD-card slot |
| Cards supported | microSecure Digital (mSD) |
Keyboard
| Description | Values |
| Type | - Standard non-backlit keyboard - Backlit keyboard |
| Layout | QWERTY |
| Number of keys | - United states and Canada: 81 keys - United Kingdom: 82 Keys - Japan: 85 keys |
| Size | X=18.70 mm key pitch Y=18.05 mm key pitch |
| Shortcut keys | Some keys have two symbols. The lower symbol is typed by default. Pressing Shift and the key types the upper symbol. For example, pressing 2 types '2'; pressing Shift + 2 types 'Ø'. The F1-F12 keys are function keys for multimedia control. Press the function key to invoke the task. For example, F1 mutes audio. To use F1-F12 for specific software applications, press Fn + Esc to disable multimedia functionality. Then, press Fn and the respective function key for multimedia control (e.g., Fn + F1 to mute audio). NOTE: You can define the primary behavior of function keys (F1-F12) in BIOS setup. Keyboard shortcuts |
Camera
| Description | Values | |
| Number of cameras | One | |
| Type | RGB HD camera | |
| Location | Front camera | |
| Sensor type | CMOS sensor technology | |
| Resolution: | ||
| Still image | 0.92 megapixel | |
| Video | 1280 x 720 (HD) at 30 fps | |
| Diagonal viewing angle | 74.9 degrees |
Touchpad
| Description | Values | ||
| Resolution: | |||
| Horizontal | 1920 | ||
| Vertical | 1080 | ||
| Dimensions: | |||
| Horizontal | 105 mm (4.13 in.) | ||
| Vertical | 65 mm (2.56 in.) |
Touchpad gestures
For more information about touchpad gestures for Windows 10, see Microsoft knowledge base article 4027871 at support.microsoft.com.
Power adapter
| Description | Values | |
| Type | E65W | |
| Diameter (connector) | 4.5 mm x 2.9 mm | |
| Input voltage | 100 VAC - 240 VAC | |
| Input frequency | 50 Hz - 60 Hz | |
| Input current (maximum) | 1.6 A | |
| Output current (continuous) | 3.34 A | |
| Rated output voltage | 19.5 VDC | |
| Temperature range: | ||
| Operating | 0°C to 40°C (32°F to 104°F) | |
| Storage |
Battery
| Description | Values | ||
| Type | 4-cell "smart" lithium-ion | ||
| Voltage | 7.6 VDC | ||
| Weight (maximum) | 0.22 kg (0.485 lb) | ||
| Dimensions: | |||
| Height | 257.85 mm (10.15 in) | ||
| Width | 98.8 mm (3.89 in) | ||
| Depth | 4.3 mm (0.169 in) | ||
| Temperature range: | |||
| Operating | 0°C to 35°C (32°F to 95°F) | ||
| Storage | -40°C to 65°C (-40°F to 149°F) | ||
| Operating time | Varies depending on operating conditions and can reduce under certain power-intensive conditions | ||
| Charging time (approximate) | 4 hours (when the computer is off) NOTE: Control charging time, duration, start/end time using Dell Power Manager. See Me and My Dell at https://www.dell.com/. | ||
| CR2032 | |||
| Coin-cell battery | Varies depending on operating conditions and can reduce under certain power-intensive conditions | ||
| Operating time |
Display
| Description | Values | ||
| Type | Full High Definition (FHD) | Full High Definition (FHD) | |
| Panel technology | Wide Viewing Angle | Wide Viewing Angle | |
| Luminance (typical) | 300 nits | 300 nits | |
| Dimensions (Active area): | |||
| Height | 165.24 mm (6.5 in) | 165.24 mm (6.5 in) | |
| Width | 293.76 mm (11.6 in) | 293.76 mm (11.6 in) | |
| Diagonal | 337.04 mm (13.3 in) | 337.04 mm (13.3 in) | |
| Native resolution | 1920 x 1080 (FHD, non-touch) | 1920 x 1080 (FHD, touch) | |
| Megapixels | 2.07 | 2.07 | |
| Color gamut | 72 % (sRGB) | 72 % (sRGB) | |
| Pixels per inch (PPI) | 166 | 166 | |
| Contrast ratio (min) | 400:1 | 400:1 | |
| Response time (max) | 35 ms | 35 ms | |
| Refresh rate | 60 Hz | 60 Hz | |
| Horizontal view angle | +/-80 degrees | +/-80 degrees | |
| Vertical view angle | +/-80 degrees | +/-80 degrees | |
| Pixel pitch | 0.153 mm | 0.153 mm | |
| Power consumption (maximum) | 4.6 W | 4.8 W | |
| Anti-glare vs glossy finish | Glossy | Anti-glare | |
| Touch options | Not supported | Supported |
Fingerprint reader (optional)
| Description | Values |
| Sensor technology | Capacitive |
| Sensor resolution | 500 ppi dpi |
| Sensor area | 4.06 mm x 3.25 mm |
| Sensor pixel size | 80 x 64 pixels |
Video
Discrete graphics specifications
| Discrete graphics | |||
| Controller | External display support | Memory size | Memory type |
| NVIDIA GeForce MX250 | Not supported | 2 GB | DDR5 |
Integrated graphics specifications
| Integrated graphics | |||
| Controller | External display support | Memory size | Processor |
| Intel UHD Graphics | One HDMI 1.4 port | Shared system memory | 10th Generation Intel Core i3/i5/i7 |
Computer environment
Airborne contaminant level: G1 as defined by ISA-S71.04-1985
| Description | Operating | Storage |
| Temperature range | 0°C to 35°C (32°F to 95°F) | -40°C to 65°C (-40°F to 149°F) |
| Relative humidity (maximum) | 10 % to 90 % (non-condensing) | 10 % to 95 % (non-condensing) |
| Vibration (maximum)* | 0.66 GRMS | 1.30 GRMS |
| Shock (maximum) | 110 G † | 160 G ‡ |
| Altitude (maximum) | -15.2 m to 3048 m (-50 ft to 10,000 ft) | N/A |
*Measured using a random vibration spectrum that simulates user environment.
†Measured using a 2 ms half-sine pulse when the hard drive is in use.
Chapter 4: Keyboard shortcuts
NOTE: Keyboard characters may differ depending on the keyboard language configuration. Keys used for shortcuts remain the same across all language configurations.
Some keys have two symbols. The lower symbol is typed by default. Pressing Shift and the key types the upper symbol. For example, pressing 2 types '2'; pressing Shift + 2 types 'Ø'.
The F1-F12 keys are function keys for multimedia control. Press the function key to invoke the task. For example, F1 mutes audio.
To use F1-F12 for specific software applications, press Fn + Esc to disable multimedia functionality. Then, press Fn and the respective function key for multimedia control (e.g., Fn + F1 to mute audio).
NOTE: You can also define the primary behavior of the function keys (F1-F12) by changing Function Key Behavior in BIOS setup.
| Function key | Redefined key (for multimedia control) | Behavior |
| F1 | fn | Mute audio |
| F2 | fn | Decrease volume |
| F3 | fn | Increase volume |
| F4 | fn | Play/Pause |
| F5 | fn | Toggle keyboard backlight (optional) NOTE: Non-backlight keyboards have F10 function key without the backlight icon and does not support toggle keyboard backlight function. |
| F6 | fn | Decrease brightness |
| F7 | fn | Increase brightness |
| F8 | fn | Switch to external display |
| F9 | fn | Toggle display mode |
| F10 | fn | Mute/unmute microphone |
| F11 | fn | Decrease display brightness |
| F12 | fn | Increase display brightness |
The Fn key is also used with selected keys to invoke other secondary functions.
| Function key | Behavior | |
| Fn | + B | Pause/Break |
| Fn | + S | Toggle scroll lock |
| Fn | + R | System request |
| Fn | + H | Toggle between power and battery-status light/hard-drive activity light |
| Fn | + Ctrl | Open application menu |
| Fn | + Esc | Toggle Fn-key lock |
Chapter 5: Getting help and contacting Dell
Self-help resources
You can get information and help on Dell products and services using these self-help resources:
| Self-help resources | Resource location |
| Information about Dell products and services | www.dell.com |
| My Dell | |
| Tips | |
| Contact Support | In Windows search, type Contact Support, and press Enter. |
| Online help for operating system | www.dell.com/support/windows www.dell.com/support/linux |
| Access top solutions, diagnostics, drivers and downloads, and learn more about your computer through videos, manuals and documents. | Your Dell computer is uniquely identified by a Service Tag or Express Service Code. To view relevant support resources for your Dell computer, enter the Service Tag or Express Service Code at www.dell.com/support. For more information on how to find the Service Tag for your computer, see Locate the Service Tag for your Dell Laptop. |
| Dell knowledge base articles for a variety of computer concerns | 1. Go to www.dell.com/support. 2. On the menu bar at the top of the Support page, select Support > Knowledge Base. 3. In the Search field on the Knowledge Base page, type the keyword, topic, or model number, and then click or tap the search icon to view the related articles. |
Contacting Dell
To contact Dell for sales, technical support, or customer service issues, see www.dell.com/contactdell.
NOTE: Availability varies by country/region and product, and some services may not be available in your country/region.
NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.
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