Specifications
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Views System Information Computer model Processor L3 cache Chipset Specifications Inspiron 5447 Inspiron 5448 • 4th generation Intel Core i3 ULV • 5th generation Intel Core i3 ULV • 4th generation Intel Core i5 ULV • 5th generation ...i5 ULV • 4th generation Intel Core i7 ULV • 5th generation Intel Core i7 ULV 4 MB Integrated in processor Dimensions and Weight System Information Memory Ports and Connectors Communications Video Audio Storage Media-card reader Display Keyboard Camera Touchpad Battery Power Adapter Computer Environment
Views System Information Computer model Processor L3 cache Chipset Specifications Inspiron 5447 Inspiron 5448 • 4th generation Intel Core i3 ULV • 5th generation Intel Core i3 ULV • 4th generation Intel Core i5 ULV • 5th generation ...i5 ULV • 4th generation Intel Core i7 ULV • 5th generation Intel Core i7 ULV 4 MB Integrated in processor Dimensions and Weight System Information Memory Ports and Connectors Communications Video Audio Storage Media-card reader Display Keyboard Camera Touchpad Battery Power Adapter Computer Environment
Specifications
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Views Ports and Connectors External: Network USB Audio/Video Internal: M.2 Card Specifications One RJ45 port • One USB 2.0 port • Two USB 3.0 ports • One HDMI port • One headphone and microphone combo (headset) port One M.2-2230 slot for Wi-Fi and Bluetooth combo card Dimensions and Weight System Information Memory Ports and Connectors Communications Video Audio Storage Media-card reader Display Keyboard Camera Touchpad Battery Power Adapter Computer Environment
Views Ports and Connectors External: Network USB Audio/Video Internal: M.2 Card Specifications One RJ45 port • One USB 2.0 port • Two USB 3.0 ports • One HDMI port • One headphone and microphone combo (headset) port One M.2-2230 slot for Wi-Fi and Bluetooth combo card Dimensions and Weight System Information Memory Ports and Connectors Communications Video Audio Storage Media-card reader Display Keyboard Camera Touchpad Battery Power Adapter Computer Environment
Specifications
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Dimensions and Weight System Information Memory Ports and Connectors Communications Video Audio Storage Media-card reader Display Keyboard Camera Touchpad Battery Power Adapter Computer Environment Views Display Type Resolution (maximum) Pixel pitch Dimensions: Height Width Diagonal Refresh rate Operating angle Controls Specifications • 14-inch HD • 14-inch HD touchscreen 1366 x 768 0.2265 mm 173.95 mm (6.85 in) 309.40 mm (12.18 in) 355.60 mm (14 in) 60 Hz 0 degrees (closed) to 135 degrees Brightness can be controlled using shortcut keys.
Dimensions and Weight System Information Memory Ports and Connectors Communications Video Audio Storage Media-card reader Display Keyboard Camera Touchpad Battery Power Adapter Computer Environment Views Display Type Resolution (maximum) Pixel pitch Dimensions: Height Width Diagonal Refresh rate Operating angle Controls Specifications • 14-inch HD • 14-inch HD touchscreen 1366 x 768 0.2265 mm 173.95 mm (6.85 in) 309.40 mm (12.18 in) 355.60 mm (14 in) 60 Hz 0 degrees (closed) to 135 degrees Brightness can be controlled using shortcut keys.
Specifications
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... be used to type alternate characters or to perform secondary functions. To perform secondary functions, press Fn and the desired key. optional Some keys on your keyboard have two symbols on them. Dimensions and Weight System Information Memory Ports and Connectors Communications Video Audio Storage Media-card reader Display Keyboard Camera Touchpad Battery Power Adapter Computer Environment These keys can define the primary behavior of the shortcut keys by pressing Fn+Esc or by changing Function Key...
... be used to type alternate characters or to perform secondary functions. To perform secondary functions, press Fn and the desired key. optional Some keys on your keyboard have two symbols on them. Dimensions and Weight System Information Memory Ports and Connectors Communications Video Audio Storage Media-card reader Display Keyboard Camera Touchpad Battery Power Adapter Computer Environment These keys can define the primary behavior of the shortcut keys by pressing Fn+Esc or by changing Function Key...
Service Manual
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Removing the Wireless Card 21 Prerequisites...21 Procedure...21 Replacing the Wireless Card 23 Procedure...23 Post-requisites 23 Removing the Memory Module(s 24 Prerequisites...24 Procedure...24 Replacing the Memory Module(s 26 Procedure...26 Post-requisites 27 Removing the Fan 28 Prerequisites...28 Procedure...28 Replacing the Fan 31 Procedure...31 Post-requisites 31 Removing the Keyboard 32 Prerequisites...32 Procedure...32 Replacing the Keyboard 35 Procedure...35 Post-requisites 35 Folding the Keyboard Cables 35
Removing the Wireless Card 21 Prerequisites...21 Procedure...21 Replacing the Wireless Card 23 Procedure...23 Post-requisites 23 Removing the Memory Module(s 24 Prerequisites...24 Procedure...24 Replacing the Memory Module(s 26 Procedure...26 Post-requisites 27 Removing the Fan 28 Prerequisites...28 Procedure...28 Replacing the Fan 31 Procedure...31 Post-requisites 31 Removing the Keyboard 32 Prerequisites...32 Procedure...32 Replacing the Keyboard 35 Procedure...35 Post-requisites 35 Folding the Keyboard Cables 35
Service Manual
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... computer. 5 Disconnect all open applications. 2 Shut down your computer. - Windows 8.1: On the Start screen, click or tap the power icon → Shut down . Before Working Inside Your Computer CAUTION: To avoid damaging the components and cards, handle them by their electrical outlets. 4 Disconnect all cables such as keyboard, mouse, monitor, and so on the configuration you are using a different operating system, see the documentation...
... computer. 5 Disconnect all open applications. 2 Shut down your computer. - Windows 8.1: On the Start screen, click or tap the power icon → Shut down . Before Working Inside Your Computer CAUTION: To avoid damaging the components and cards, handle them by their electrical outlets. 4 Disconnect all cables such as keyboard, mouse, monitor, and so on the configuration you are using a different operating system, see the documentation...
Service Manual
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... any installed card from the network device. When disconnecting cables, keep them by touching an unpainted metal surface, such as authorized or directed by your computer. CAUTION: When you must disengage before disconnecting the cable. WARNING: Disconnect all covers, panels, and screws before opening the computer cover or panels. While you finish working inside your computer and then unplug the cable from the media-card reader. When connecting cables, make...
... any installed card from the network device. When disconnecting cables, keep them by touching an unpainted metal surface, such as authorized or directed by your computer. CAUTION: When you must disengage before disconnecting the cable. WARNING: Disconnect all covers, panels, and screws before opening the computer cover or panels. While you finish working inside your computer and then unplug the cable from the media-card reader. When connecting cables, make...
Service Manual
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After Working Inside Your Computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. 1 Replace all screws and make sure that no stray screws remain inside your computer. 2 Connect any external devices, peripherals, and cables you removed before working on your computer. 3 Replace any media cards, discs, and any other part(s) that you removed before working on your computer. 4 Connect your computer and all attached devices to their electrical outlets. 5 Turn on your computer. 11
After Working Inside Your Computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. 1 Replace all screws and make sure that no stray screws remain inside your computer. 2 Connect any external devices, peripherals, and cables you removed before working on your computer. 3 Replace any media cards, discs, and any other part(s) that you removed before working on your computer. 4 Connect your computer and all attached devices to their electrical outlets. 5 Turn on your computer. 11
Service Manual
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Prerequisites 1 Remove the base cover. 2 Remove the battery. After working inside your computer, follow the steps in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure 1 Use your fingertips to carefully spread apart the securing-clips on each end of the memory-module slot until the memory module pops up. 24 Removing the Memory Module(s) WARNING...
Prerequisites 1 Remove the base cover. 2 Remove the battery. After working inside your computer, follow the steps in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure 1 Use your fingertips to carefully spread apart the securing-clips on each end of the memory-module slot until the memory module pops up. 24 Removing the Memory Module(s) WARNING...
Service Manual
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NOTE: If you do not hear the click, remove the memory module and reinstall it clicks into the slot at an angle, and press the memory module down until it . 1 memory-module slot 3 memory module Post-requisites 1 Replace the battery. 2 Replace the base cover. 2 tab 27 2 Slide the memory module firmly into place.
NOTE: If you do not hear the click, remove the memory module and reinstall it clicks into the slot at an angle, and press the memory module down until it . 1 memory-module slot 3 memory module Post-requisites 1 Replace the battery. 2 Replace the base cover. 2 tab 27 2 Slide the memory module firmly into place.
Service Manual
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For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 39 Removing the Base Frame WARNING: Before working inside your computer, read the safety information that shipped with your computer, follow the steps in After Working Inside Your Computer. After working inside your computer and follow the instructions in Before Working Inside Your Computer.
For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 39 Removing the Base Frame WARNING: Before working inside your computer, read the safety information that shipped with your computer, follow the steps in After Working Inside Your Computer. After working inside your computer and follow the instructions in Before Working Inside Your Computer.
Service Manual
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... may become hot during normal operation. The oils in After Working Inside Your Computer. CAUTION: For maximum cooling of the thermal grease. After working inside your skin can reduce the heat transfer capability of the processor, do not touch the heat transfer areas on a laptop with discrete graphics card. Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 6 Remove the...
... may become hot during normal operation. The oils in After Working Inside Your Computer. CAUTION: For maximum cooling of the thermal grease. After working inside your skin can reduce the heat transfer capability of the processor, do not touch the heat transfer areas on a laptop with discrete graphics card. Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 6 Remove the...
Service Manual
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... 1 Disconnect the coin-cell battery cable from the system board. 47 After working inside your computer, follow the steps in After Working Inside Your Computer. Removing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that you note the BIOS settings before removing the coin-cell battery. Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 6 Remove the base frame.
... 1 Disconnect the coin-cell battery cable from the system board. 47 After working inside your computer, follow the steps in After Working Inside Your Computer. Removing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that you note the BIOS settings before removing the coin-cell battery. Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 6 Remove the base frame.
Service Manual
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... your computer and follow the instructions in Before Working Inside Your Computer. Procedure 1 Disconnect the speaker cable from the system board. 2 Note the speaker-cable routing and remove the cable from the routing guides. 50 Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 6 Remove the base frame. Removing the Speakers WARNING: Before working inside your computer, read the safety information that shipped...
... your computer and follow the instructions in Before Working Inside Your Computer. Procedure 1 Disconnect the speaker cable from the system board. 2 Note the speaker-cable routing and remove the cable from the routing guides. 50 Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 6 Remove the base frame. Removing the Speakers WARNING: Before working inside your computer, read the safety information that shipped...
Service Manual
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... your computer and follow the instructions in Before Working Inside Your Computer. Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 6 Remove the base frame. 7 Remove the I/O board. Procedure 1 Turn the computer over and open the display. 2 Lift the latch and disconnect the status-light board cable from the system board. 56 Removing the Status-Light Board WARNING: Before working inside your computer, read the safety information that...
... your computer and follow the instructions in Before Working Inside Your Computer. Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 6 Remove the base frame. 7 Remove the I/O board. Procedure 1 Turn the computer over and open the display. 2 Lift the latch and disconnect the status-light board cable from the system board. 56 Removing the Status-Light Board WARNING: Before working inside your computer, read the safety information that...
Service Manual
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... over and open the display. 61 For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. You must enter the Service Tag in the BIOS setup program after you replace the system board. Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 6 Remove the base frame. 7 Remove the memory module(s). 8 Remove the wireless card. 9 Remove the heat sink. Removing the System Board WARNING: Before working inside your...
... over and open the display. 61 For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. You must enter the Service Tag in the BIOS setup program after you replace the system board. Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 6 Remove the base frame. 7 Remove the memory module(s). 8 Remove the wireless card. 9 Remove the heat sink. Removing the System Board WARNING: Before working inside your...
Service Manual
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NOTE: Replacing the system board removes any changes you have made to secure the cables. You must enter the Service Tag in the BIOS setup program after you replace the system board. You must make the desired changes again after you replace the system board. Post-requisites 1 Replace the heat sink. 2 Replace the wireless card. 3 Replace the memory module(s). 4 Replace the base frame. 5 Replace the keyboard. 66 Replacing the System Board WARNING: Before working inside your computer, read the...
NOTE: Replacing the system board removes any changes you have made to secure the cables. You must enter the Service Tag in the BIOS setup program after you replace the system board. You must make the desired changes again after you replace the system board. Post-requisites 1 Replace the heat sink. 2 Replace the wireless card. 3 Replace the memory module(s). 4 Replace the base frame. 5 Replace the keyboard. 66 Replacing the System Board WARNING: Before working inside your computer, read the...
Service Manual
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Procedure 1 Turn the computer over. 73 Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 6 Remove the base frame. 7 Remove the heat sink. 8 Remove the display assembly. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. After working inside your computer and follow the instructions in Before Working Inside Your Computer. Removing the Power-Adapter Port WARNING: Before working inside your...
Procedure 1 Turn the computer over. 73 Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 6 Remove the base frame. 7 Remove the heat sink. 8 Remove the display assembly. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. After working inside your computer and follow the instructions in Before Working Inside Your Computer. Removing the Power-Adapter Port WARNING: Before working inside your...
Service Manual
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.... Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 6 Remove the base frame. 7 Remove the speakers. 8 Remove the I/O board. 9 Remove the status light board. 10 Remove the display assembly. Procedure 1 Remove the screws that shipped with your computer and follow the instructions in Before Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Removing the Palm...
.... Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the hard drive. 4 Remove the fan. 5 Remove the keyboard. 6 Remove the base frame. 7 Remove the speakers. 8 Remove the I/O board. 9 Remove the status light board. 10 Remove the display assembly. Procedure 1 Remove the screws that shipped with your computer and follow the instructions in Before Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Removing the Palm...
Service Manual
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Information about Microsoft Windows 7 Click Start → All Programs → Dell Help Documentation. Open the Search charm, type Help and Support in your country. 83 services Troubleshooting information, user manuals, setup instructions, product specifications, technical help resources: Self-Help Information Accessing Windows Help Self-Help Options Windows 8.1 - Information about Dell products and See dell.com. Windows 7 - Information about your operating system, setting up and using these online self-help blogs, drivers, software updates, and so on . Getting...
Information about Microsoft Windows 7 Click Start → All Programs → Dell Help Documentation. Open the Search charm, type Help and Support in your country. 83 services Troubleshooting information, user manuals, setup instructions, product specifications, technical help resources: Self-Help Information Accessing Windows Help Self-Help Options Windows 8.1 - Information about Dell products and See dell.com. Windows 7 - Information about your operating system, setting up and using these online self-help blogs, drivers, software updates, and so on . Getting...