Dell Chromebook 11 3380 Owner's Manual
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Dell Chromebook 11 3380 Owner's Manual

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Chromebook 11 3380
Disassembly and Reassembly Guide - For use by Dell
Certified Technicians only
Regulatory Model: P80G
Regulatory Type: P80G002

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Summary of Contents for Dell Chromebook 11 3380

  • Page 1 Chromebook 11 3380 Disassembly and Reassembly Guide - For use by Dell Certified Technicians only Regulatory Model: P80G Regulatory Type: P80G002...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Contents 1 Working on your computer..........................6 Safety instructions................................6 Before working inside your computer..........................6 After working inside your computer..........................7 2 Removing and installing components......................8 Recommended tools................................8 microSD card..................................8 Removing microSD card..............................8 Installing microSD card..............................8 Base cover..................................8 Removing the base cover............................
  • Page 4 Disk Partition Map..............................43 Developer and Recovery Mode..........................45 Coreboot + U-boot Custom Firmware........................45 Chromium OS vs ChromeOS............................46 View system information..............................46 Dell activity light................................48 Overview..................................48 Raise your Hand/Answer Question/Discussion buttons..................49 MultiColor Poll ................................50 5 Technology and components........................51 Keyboard.................................... 51 Keyboard keys function..............................51...

  • Page 5: Contents

    Reset Chromebook................................72 Recovering Chromebook..............................72 Recovering the Chromebook............................72 7 Contacting Dell............................76 Contents...

  • Page 6: Working On Your Computer

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

  • Page 7: After Working Inside Your Computer

    After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on your computer. CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers. Replace the battery.

  • Page 8: Removing And Installing Components

    Removing and installing components This section provides detailed information on how to remove or install the components from your computer. Recommended tools The procedures in this document require the following tools: • Phillips #0 screwdriver • Phillips #1 screwdriver • Plastic scribe microSD card Removing microSD card...
  • Page 9 Using a plastic scribe, pry and lift the base cover away from the computer. Removing and installing components...

  • Page 10: Installing Base Cover

    Installing base cover Align the base cover with the screw holders on the computer. Press the edges of the cover until it clicks into place. Tighten the two middle screws. Tighten the M2.5xL8.5 screws to secure the base cover to the computer. Follow the procedure in After working inside your computer.

  • Page 11: Installing The Battery

    Installing the battery Insert the battery into the slot on the computer. Connect the battery cable to the connector on the battery. Tighten the M2.0xL3 screws to secure the battery to the computer. Install the base cover Follow the procedure in After working inside your computer.

  • Page 12: Installing The Heatsink

    Installing the heatsink Insert the heatsink into the slot on the computer. Tighten the M2.5x2.5 screws to secure the heatsink to the computer. Install the: battery base cover microSD card Follow the procedure in After working inside your computer. System Fan Removing the system fan Follow the procedure in Before working inside your...

  • Page 13: Installing The System Fan

    Installing the system fan Place the fan on the system board. Tighten the M2xL3 screws to secure the fan to the system board. Connect the fan cable to its connector on the system board. Route the WLAN cable onto its routing on the fan. Install the: battery base cover...

  • Page 14: Installing The Audio Board

    d Lift and remove the audio board from the system [4]. Installing the audio board Place the audio board in its place on the computer. Tighten the M2xL3 screw to secure the audio board to the computer. Affix the cable adhesive to the computer. Reconnect the audio board cable to its connector on the system board.
  • Page 15 To remove the speaker: Disconnect the speaker cable from the connector on the system board [1]. b Lift the speaker cable off from the cable guide [2]. Remove the adhesive tape that secures the speaker cable to the computer [3]. d Unroute the speaker cable from the routing channel [4].

  • Page 16: Installing The Speakers

    Installing the speakers Place the speakers into the slots on the computer. Route the speaker cable through the routing channel. Affix the adhesive tape to secure the speaker cable to the computer. Connect the speaker cable to the connector on the system board. Install the: battery base cover...
  • Page 17 Remove the M2xL3 screws that secure the metal bracket to the touchpad on the computer. Peel off the adhesive tapes [1] and [2] and then remove the metal bracket from the system [3]. Removing and installing components...
  • Page 18 Remove the M2xL3 screws that secure the touchpad to the system [1] and then lift the touchpad from the system [2]. Removing and installing components...

  • Page 19: Installing The Touchpad

    Installing the touchpad Place the touchpad into the slots on the computer. Tighten the M2xL3 screws that secure the touchpad to the system. Affix the adhesive tape that secures the touchpad cable to the touchpad. Place the metal bracket and tighten the M2xL3 screws that secure the metal bracket to the touchpad.. Connect the touchpad cable to its connector on the system board.
  • Page 20 Then, Remove the screw on the metal bracket covering the display cable connector [1]. b Lift the metal bracket off the display cable connector [2]. Disconnect the display cable from its connector on the system board [3]. d Remove the screw securing the retaining metal bracket to the system board [4]. Lift the retaining metal bracket off the system board [5].
  • Page 21 Then: Disconnect the <engineering input> from its connector on the system board [1]. b Disconnect the audio board connector [2] and peel off the adhesive securing the cable to the system board [3]. Disconnect the speaker cable from its connector [4] and unroute the cable from the cable guide [5]. Removing and installing components...
  • Page 22 Remove the M2xL3 screws and lift the system board off the computer. Removing and installing components...

  • Page 23: Installing The System Board

    Installing the system board Align the system board with the screw holders on the computer. Tighten the M2xL3 screws to secure the system board to the computer. Route the speaker through the cable guide and connect the speaker cable to the its connector. Affix the adhesive of the audio board cable to the system board and connect the audio board cable to its connector.
  • Page 24 Then, do the following to remove the display: Remove the M1.6xL2 screw securing the metal bracket covering the display cable connector [1]. b Remove the metal bracket off the computer [2]. Disconnect the display cable from its connector on the system board [3]. d Flip over the computer [4].
  • Page 25 Remove the M2xL4 screws [1] and lift the display assembly off the computer [2]. Removing and installing components...

  • Page 26: Installing The Display Assembly

    Installing the display assembly Place the display assembly to align with the screw holders on the computer. Tighten the M1.6xL2 screws to secure the display assembly to the computer. Turn over the computer. Connect the display cable to the connector. Place the metal bracket over the display connector and tighten the screw to secure the display cable to the computer.

  • Page 27: Hinge Cap

    Hinge Cap Removing the hinge cap Follow the procedure in Before working inside your computer. Remove the: microSD card base cover battery display assembly To remove the hinge cap: Press on the left hinge cap to release it from the display assembly [1]. b Press on the right hinge cap to release it from the display assembly [2].

  • Page 28: Lcd Bezel

    LCD Bezel Removing the LCD Bezel Follow the procedure in Before working inside your computer. NOTE: These instructions are applicable only for systems with a non-touch screen display. Remove the: microSD card base cover battery display assembly hinge cap Remove the M2xL4 screws that secure the bezel to the cover. Using a plastic scribe, gently pry the bezel loose from the cover.

  • Page 29: Installing Lcd Bezel

    Installing LCD Bezel Replace the bezel and gently press on the edges to snap the bezel into place. Tighten the screws to secure the LCD bezel to the cover of the computer. Install the: hinge cap display assembly battery base cover microSD card Follow the procedure in After working inside your computer...
  • Page 30 hinge cap LCD bezel Remove the M1.6xL2 screws securing the LCD panel to the metal bracket and flip over the LCD panel. Lift up the adhesive sticker [1] to expose the foam padding [2]. Then, disconnect the cable from the LCD panel [3] and remove the connector from the panel [4].

  • Page 31: Installing The Lcd Panel

    Installing the LCD Panel Connect the LCD cable to its connector. Replace the foam padding. Affix the adhesive sticker. Place the LCD panel on the cover of the computer. Tighten the screws to secure the LCD panel to the metal bracket. Replace the bezel and gently press on the edges to snap the bezel into place.

  • Page 32: Camera

    Camera Removing the camera Follow the procedure in Before working inside your computer. NOTE: These instructions are applicable only for systems with a non-touch screen display. Remove the: microSD base cover battery LCD bezel hinge cap LCD bezel Disconnect the camera cable [1] and remove the camera module from the LCD assembly [2]. Installing the camera Place the camera module in its slot on the LCD assembly.

  • Page 33: Lcd Hinge

    Tighten the screws to secure the LCD bezel to the cover of the computer. Install the: hinge cap battery base cover microSD card Follow the procedure in After working inside your computer LCD Hinge Removing the LCD Hinge Follow the procedure in Before working inside your computer.

  • Page 34: Installing The Lcd Hinge

    Installing the LCD Hinge Align the LCD hinges to the screw holes on the computer cover. Tighten the screws to secure the hinges to the metal bracket of the LCD assembly. Install the: LCD bezel hinge cap display assembly battery base cover microSD card Follow the procedure in...
  • Page 35 Gently pry up the lower edge of the keyboard from the computer. Removing and installing components...
  • Page 36 CAUTION: As you remove the keyboard from the palmrest, carefully pull out the keyboard cable from the opening on the palmrest. Remove the keyboard away from the computer. Removing and installing components...

  • Page 37: Installing The Keyboard

    Installing the keyboard Align the keyboard trim with the tabs on the computer and press it until it clicks into place . CAUTION: When reinstalling the keyboard, insert the keyboard cable into the opening on the palmrest first, before you slot the keyboard into the top latches.
  • Page 38 battery keyboard heatsink audio board speakers touchpad display assembly system board NOTE: The component you are left with is the palmrest. Install the following components on the new palmrest. system board display assembly touchpad speakers audio board heatsink keyboard battery base cover microSD card Follow the procedure in...

  • Page 39: Product Specifications

    Product Specifications This topic details the product specifications of the Dell Chromebook 13 (3380). Table 1. Chromebook 13 (3380) Product Specifications Features Chromebook 13 (3380) Processor • Intel Celeron Processor 3855U (15W, 2M cache, 1.60 GHz) • Intel Core i3–6006U Processor (15W.3M cache, 2.0GHz)
  • Page 40 Features Chromebook 13 (3380) Ports and Slots • 2 x USB 3.1 Gen 1 with BC1.2 • 1 x USB Type-C (supports USB 3.1 Gen 1, DisplayPort, and power delivery charging) • 1 x HDMI 1.4a (Out) • Universal Audio Jack •...

  • Page 41: Software

    Software This section provides information about the operating system, commands, and bundled software for the Dell Chromebook 13 (3380). Topics: • Operating System • View system information • Dell activity light Operating System This page contains information about the operating system used by the Dell Chromebook 13 (3380).

  • Page 42: Verified Boot

    Verified Boot Read Only firmware verifies the integrity of Read/Write (R/W) firmware. R/W firmware verifies the active Linux kernel. During run time, the kernel verifies each block read from disk. If a verification step fails and there is no backup option, the machine enters recovery mode. The Developer Mode switch turns off verified boot (at the Kernel stage) to enable users to run Chromium OS (or other OS).

  • Page 43: Disk Partition Map

    Disk Partition Map There are two copies of Chrome OS on disk: an active copy and a backup copy. Each copy consists of a kernel partition and a root file system. The backup copy is updated automatically in the background. Users only need to reboot. The partition contains encrypted user data and is also used in the factory for storing test software.
  • Page 44 Software...

  • Page 45: Developer And Recovery Mode

    Developer and Recovery Mode Table 2. Developer and Recovery Mode Developer Mode Recovery Mode • Used to boot without verification. • Allows a user to reinstall the Chrome OS from a USB key or SD card. • Can be turned on via key combination during boot. •...

  • Page 46: Chromium Os Vs Chromeos

    This page contains all the information about viewing system information for the Dell Chromebook 13 (3380). Dell Chromebook 13 (3380) does not support Dell BIOS. Hence, there are several ways to check system specifications depending on the information you are searching for. The table below lists some of the most commonly used methods to view system information and specifications.
  • Page 47 Table 4. View System Information Commands Action and Purpose Screenshot Chrome:help View basic OS information. Chrome:settings View information such as screen resolution options (Device > Display settings), touchpad, and other basic hardware information. Chrome:system View advanced system information such as Google Chrome version, BIOS information, CPU information, memory information, network status, power supply information,...

  • Page 48: Dell Activity Light

    Overview Dell Activity Light can be used as an indicator for the interaction between school teacher and student, and Dell has designed a software over this feature. The application will not be factory installed when product RTS, but it can be downloaded and installed via the web-store through the following link: https://chrome.google.com/webstore/detail/dell-led/klhphccnhmdlnljpdljjhehlmplnmini...

  • Page 49: Raise Your Hand/Answer Question/Discussion Buttons

    Raise your Hand/Answer Question/Discussion buttons Students can either click the on-screen button or press keyboard hot key to on/off the Ask question LED. The on-screen button can be the Chrome application in the menu or the shortcut icon on the task bar. Software...

  • Page 50: Multicolor Poll

    MultiColor Poll Students can vote with different LED color by either clicking the on-screen button (suggested) or pressing keyboard hot key. Software...

  • Page 51: Technology And Components

    Keyboard Dell Chromebook 13 (3380) keyboards have a few extra features to help you browse the web effortlessly and efficiently. The keyboard contains a dedicated search key and a new row of web shortcut keys. A standard USB Windows keyboard can also be used with the Chromebook, using the same keyboard shortcuts.
  • Page 52 Table 5. Special keys Special keys Go to the previous page in browser history (F1) Go to the next page in browser history (F2) Reload current page (F3) Open your page in fullscreen mode (F4) Switch to your next tab or window (F5) Decrease screen brightness (F6) Increase screen brightness (F7) Mute (F8)
  • Page 53 Keyboard shortcut keys Table 6. Shortcut keys Shortcut keys Shortcut Function Stop the loading of your current page Alt + Up arrow Page up Alt + Down arrow Page down Alt + Left arrow (Backspace) Go to previous page in your browsing history Alt + Right arrow(Shift + Backspace) Go to the next page in your browsing history Ctrl + Right arrow...
  • Page 54 Shortcut keys Shortcut Function Ctrl + 1 through Ctrl + 8 Go to the tab at the specified position in the window Ctrl + 9 Go to the last tab in the window Ctrl + A Select everything on the page Ctrl + C Copy selected content to the clipboard Ctrl + D...

  • Page 55: Touchpad

    To see more shortcuts, simply press Ctrl+Alt+? To open the keyboard viewer on your screen. Touchpad This page contains information for Dell Chromebook 13 (3380) touchpad gestures. The following table lists some gestures and actions supported by the Chromebook touchpad: Table 7.

  • Page 56: Integrated Microphone

    Integrated Microphone This page contains all the information about the Dell Chromebook 13 (3380) integrated microphone. Akustica AKU240 is an HD Voice quality, top port, digital output MEMS microphone in a small 4.0 x 3.0 x 1.0 mm package. The robust digital...

  • Page 57: Key Features

    The output of the microphone is pulse density modulated (PDM), a single-bit digital output stream designed to enable the multiplexing of stereo microphone data onto a single wire. With a user selectable Left/Right channel option, the AKU240 is ideal for use in multiple microphone applications.

  • Page 58: Diagnostics And Troubleshooting

    You will see these instructions only if your chrome device does not already have a similar device connected or its functionality is not built in, like a keyboard or trackpad. Basic troubleshooting This page contains all the information for Dell Chromebook 13 (3380) basic troubleshooting. NOTE: Refer to Google Help Center for the online troubleshooter.

  • Page 59: Power Issues

    Power issues Table 8. Power Issue Power issues Issue Possible solutions If the Chromebook does not turn on, follow these steps: Remove all external devices. If the Chromebook starts, reconnect devices one at a time while restarting the computer to figure out which device is causing the problem.
  • Page 60 Audio, screen and camera issues Table 10. Audio, screen, and camera issues Audio, screen and camera issues Issues Possible solutions If you hear static or the volume from the speakers is very low when attempting to listen to audio: Make sure the device is not muted. Try adjusting the volume. Try rebooting the Chromebook.
  • Page 61 Bluetooth issue Table 11. Bluetooth issue Bluetooth issue Issue Possible solutions If you run into issues while attempting to pair or use a Bluetooth device with the Chromebook, try the following steps to resolve the issue: First, make sure that the Bluetooth device you're trying to pair is supported by the Chromebook.
  • Page 62 Touchpad / Hotkeys issues Issue Possible solutions If users experience hotkey issues with the account that is not the owner (primary) account, delete the user account and re- create it. If none of the above steps work, try Reset or Recover the Chromebook.

  • Page 63: Chrome Commands

    More "Who am I" type of stuff Create Recovery USB Stick chrome://imageburner/ Google's version of DBAR/DBRM Chrome Flags chrome://flags Experimental features beyond the scope of what Dell supports Memory Troubleshooting chrome://memory View running processes and memory utilization Module Load chrome://conflicts...
  • Page 64 Purpose Browser Shortcut Explanation Histogram chrome://histograms Actual work and I/O audit Credits chrome://credits References to all module/libs contributions and their respective wiki/license URLs Crash Reporting chrome://crashes Shows detailed crash report, if the feature was enabled Apps RAM Utilization chrome://appcache-internals Detailed memory usage for apps/extensions, especially handy for 2 GB Chromebooks Following are the 12 most helpful chrome:// commands that you should know: Table 15.
  • Page 65 Chrome Commands Purpose Screenshot chrome://downloads This is also available from the Menu > Downloads. Shortcut key is Ctrl+J. chrome://extensions This is also available from the Menu > Tools > Extensions. chrome://bookmarks This is also available from the Menu > Bookmarks > Bookmark Manager. Short cut key is Ctrl+Shift+O.
  • Page 66 Chrome Commands Purpose Screenshot chrome://history This is also available from the Menu > History. Short cut key is Ctrl+H. chrome://memory This will redirect to “chrome://memory- redirect/”. This will display the memory used by the Google Chrome browser. This also displays all the process related to browser with their PID, process name, and the memory it takes.
  • Page 67 Chrome Commands Purpose Screenshot chrome://quota-internals This gives information about the disk space quote used by the browser, including the breakdown of how much space the individual websites took under temporary files. chrome://sessions This displays the number of sessions and magic list that are currently running. chrome://settings This is also available from the Menu >...

  • Page 68: Crosh

    The Chrome OS does not support ePSA, Dell BIOS, the F12 boot menu, or DellConnect. There are no preboot diagnostics. All troubleshooting must be done inside the OS. Chrome Shell (CROSH) and the Chrome URL commands provide some troubleshooting tools, information, and advanced settings.

  • Page 69: Crosh Commands

    CROSH commands The table below lists the available commands in Chrome Shell (CROSH). Table 16. Help commands Command Purpose exit Exits the CROSH Shell. help Displays this help. help_advanced Displays the help for more advanced commands, used for debugging. ping [-c count] [-i interval] [-n] [-s packetsize] [-W waittime] —...
  • Page 70 Command Purpose peers in the network and shares the downloaded updates with them. Run this command without arguments to see the current state. rlz < status | enable | disable> Enables or disables RLZ. rollback Attempts to roll back to the previous update cached on your system.

  • Page 71: Commonly Used Crosh Command

    Commonly used CROSH command This page contains information about the most commonly used CROSH commands to diagnose the Dell Chromebook 13 (3380). Below are some of the most commonly used CROSH commands to troubleshoot a hardware issue. NOTE: CROSH storage_test_1 and storage_test_2 are not supported on eMMC storage device.

  • Page 72: Reset Chromebook

    If the diagnostic test returns a failure message, make sure the Wi-Fi adapter is enabled and connect to a network. Reset Chromebook This page contains all information about resetting the Dell Chromebook 13 (3380). All local user data stored on the Chromebook can be cleared by resetting it to its original factory state (also known as Powerwash).
  • Page 73 Before starting this process, you will need the following: • A Chrome device, Windows, Mac, or Linux computer with administrative rights. • A 4 GB or larger USB flash drive or SD card that you do not mind clearing. Step 1: Check for the "Chrome OS is missing or damaged" message If you see this message, you can first try to perform a hard reset on your Chromebook by pressing Refresh + Power.

  • Page 74: Troubleshooting Tips

    Press Ctrl+D to enter developer mode. If you press the space bar instead, you'll see a screen asking to recover your device. NOTE: Dell does not support the use of the Developer Mode or non-standard OS versions. Troubleshooting Tips Table 19. Troubleshooting tips...
  • Page 75 Question Solution You successfully recovered your Chromebook but now Windows After you have completed recovery, you need to format your USB does not recognize the whole size of the USB or SD card used for or SD card using the recovery tool. recover.

  • Page 76: Contacting Dell

    Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: Go to Dell.com/support.

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