Dell Chromebook 11 3380 Owner'S Manual Download Page 43 | Manualshive

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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.

Software

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Summary of Contents for 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: ...amage 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 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 2017 02 Rev A00 ...

Page 3: ...sink 11 Installing the heatsink 12 System Fan 12 Removing the system fan 12 Installing the system fan 13 Audio board 13 Removing the audio board 13 Installing the audio board 14 Speakers 14 Removing the speakers 14 Installing the speakers 16 Touchpad panel 16 Removing the touchpad 16 Installing the touchpad 19 System board 19 Removing the system board 19 Installing the system board 23 Display asse...

Page 4: ...oot 42 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 Touchpad 55 Integrated Microphone 56 Key features 57 Typical applications ...

Page 5: ...Reset Chromebook 72 Recovering Chromebook 72 Recovering the Chromebook 72 7 Contacting Dell 76 Contents 5 ...

Page 6: ...surface such as a connector on the back of the computer CAUTION Handle components and cards with care Do not touch the components or contacts on a card Hold a card by its edges or by its metal mounting bracket Hold a component such as a processor by its edges not by its pins CAUTION When you disconnect a cable pull on its connector or on its pull tab not on the cable itself Some cables have connec...

Page 7: ...g 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 1 Replace the battery 2 Replace the base cover 3 Connect any external devices such a...

Page 8: ... in on the microSD card to release it from the computer 3 Remove the microSD card from the computer Installing microSD card 1 Slide the microSD card into its slot until it clicks into place 2 Follow the procedure in After working inside your computer Base cover Removing the base cover 1 Follow the procedure in Before working inside your computer 2 To remove the base cover a Using a screwdriver fir...

Page 9: ...3 Using a plastic scribe pry and lift the base cover away from the computer Removing and installing components 9 ...

Page 10: ...he computer 5 Follow the procedure in After working inside your computer Battery Removing the battery 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 To remove the battery a Disconnect the battery cable from the connector on the system board 1 b Remove the M2 0x3 0 screws that secure the battery to the computer 2 c Lift the battery away from the computer 3 1...

Page 11: ...Install the base cover 5 Follow the procedure in After working inside your computer Heat sink Removing the heatsink 1 Follow the procedure in Before working inside your computer 2 Remove the a microSD card b base cover c battery 3 To remove the heatsink a Remove the M2 5x2 5 screws that secure heat sink to the computer 1 b Lift the heatsink away from the computer 2 Removing and installing componen...

Page 12: ...r System Fan Removing the system fan 1 Follow the procedure in Before working inside your computer 2 Remove the a microSD card b base cover c battery 3 To remove the system fan a Unroute the WLAN cable from the routing on the system fan 1 b Disconnect the fan cable from the connector on the system board 2 4 Remove the M2xL3 screws that secure the fan to the system board 1 5 Lift the system fan off...

Page 13: ...e procedure in After working inside your computer Audio board Removing the audio board 1 Follow the procedure in Before working inside your computer 2 Remove the a micrSD card b base cover c battery 3 To remove the audio board a Disconnect the audio board cable from its connector on the system board 1 b Lift and peel off the black adhesive tape to remove the cable from the system board 2 c Remove ...

Page 14: ...ffix the cable adhesive to the computer 4 Reconnect the audio board cable to its connector on the system board 5 Install the a battery b base cover c microSD card 6 Follow the procedure in After working inside your computer Speakers Removing the speakers 1 Follow the procedure in Before working inside your computer 2 Remove the a microSD card b base cover c battery 14 Removing and installing compo...

Page 15: ...the system board 1 b Lift the speaker cable off from the cable guide 2 c Remove the adhesive tape that secures the speaker cable to the computer 3 d Unroute the speaker cable from the routing channel 4 4 Remove the speakers from the computer Removing and installing components 15 ...

Page 16: ... board 5 Install the a battery b base cover c microSD card 6 Follow the procedure in After working inside your computer Touchpad panel Removing the touchpad 1 Follow the procedure in Before working inside your computer 2 Remove the a microSD card b base cover c battery 3 To remove touchpad cable a Lift the latch and disconnect the touchpad cable from the computer 1 b Lift the touchpad cable off fr...

Page 17: ...e the M2xL3 screws that secure the metal bracket to the touchpad on the computer 5 Peel off the adhesive tapes 1 and 2 and then remove the metal bracket from the system 3 Removing and installing components 17 ...

Page 18: ...6 Remove the M2xL3 screws that secure the touchpad to the system 1 and then lift the touchpad from the system 2 18 Removing and installing components ...

Page 19: ...tor on the system board 6 Install the a battery b base cover c microSD card 7 Follow the procedure in After working inside your computer System board Removing the system board 1 Follow the procedure in Before working inside your computer 2 Remove the a microSD card b base cover c battery d display assembly 3 Disconnect the following cables from their connectors a WLAN antenna cables from the WLAN ...

Page 20: ...he metal bracket off the display cable connector 2 c 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 e Lift the retaining metal bracket off the system board 5 20 Removing and installing components ...

Page 21: ...n the system board 1 b Disconnect the audio board connector 2 and peel off the adhesive securing the cable to the system board 3 c Disconnect the speaker cable from its connector 4 and unroute the cable from the cable guide 5 Removing and installing components 21 ...

Page 22: ...6 Remove the M2xL3 screws and lift the system board off the computer 22 Removing and installing components ...

Page 23: ... to their connectors on the system board 10 Connect the antenna cables to the WLAN card 11 Install the a display assembly b battery c base cover d microSD card 12 Follow the procedure in After working inside your computer Display assembly Removing the display assembly 1 Follow the procedure in Before working inside your computer CAUTION The touch LCD Assembly is pre assembled with the LCD bezel to...

Page 24: ...1 6xL2 screw securing the metal bracket covering the display cable connector 1 b Remove the metal bracket off the computer 2 c Disconnect the display cable from its connector on the system board 3 d Flip over the computer 4 24 Removing and installing components ...

Page 25: ...5 Remove the M2xL4 screws 1 and lift the display assembly off the computer 2 Removing and installing components 25 ...

Page 26: ...nnector and tighten the screw to secure the display cable to the computer 6 Replace the power port on the system board and tighten the screw to secure it to the display hinge 7 Route the WLAN card cable to its routing guide on the fan and then reconnect the antenna cables to the WLAN card 8 Connect the eDP cable to its connector on the system board 9 Install the a battery b base cover c microSD ca...

Page 27: ... on the right hinge cap to release it from the display assembly 2 c Remove the hinge cap from the computer 3 Installing the hinge cap 1 Place the hinge cap on the display assembly 2 Press the left side of the hinge cap to snap it into place 3 Press the right side of the hinge cap to snap it into place 4 Install the a display assembly b battery c base cover d microSD card 5 Follow the procedure in ...

Page 28: ...ions are applicable only for systems with a non touch screen display 2 Remove the a microSD card b base cover c battery d display assembly e hinge cap 3 Remove the M2xL4 screws that secure the bezel to the cover 4 Using a plastic scribe gently pry the bezel loose from the cover 28 Removing and installing components ...

Page 29: ... display assembly c battery d base cover e microSD card 4 Follow the procedure in After working inside your computer LCD Panel Removing the LCD Panel 1 Follow the procedure in Before working inside your computer NOTE These instructions are applicable only for systems with a non touch screen display 2 Remove the a microSD b base cover c battery d display assembly Removing and installing components ...

Page 30: ...uring the LCD panel to the metal bracket and flip over the LCD panel 4 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 30 Removing and installing components ...

Page 31: ...s to secure the LCD panel to the metal bracket 6 Replace the bezel and gently press on the edges to snap the bezel into place 7 Tighten the screws to secure the LCD bezel to the cover of the computer 8 Install the a LCD bezel b hinge cap c display assembly d battery e base cover f microSD card 9 Follow the procedure in After working inside your computer Removing and installing components 31 ...

Page 32: ...D b base cover c battery d LCD bezel e hinge cap f LCD bezel 3 Disconnect the camera cable 1 and remove the camera module from the LCD assembly 2 Installing the camera 1 Place the camera module in its slot on the LCD assembly 2 Connect the camera cable to its connector on the camera 3 Replace the bezel and gently press on the edges to snap the bezel into place 32 Removing and installing components...

Page 33: ...Hinge 1 Follow the procedure in Before working inside your computer NOTE These instructions are applicable only for systems with a non touch screen display 2 Remove the a microSD card b base cover c battery d display assembly e hinge cap f LCD bezel 3 Remove the M1 6xL2 screws that secure the LCD hinge to the metal bracket of the LCD panel and remove the metal bracket off the computer 2 Removing a...

Page 34: ...ry e base cover f microSD card 4 Follow the procedure in After working inside your computer Keyboard Removing the keyboard 1 Follow the procedure in Before working inside your computer 2 Remove the a microSD b base cover c battery 3 Disconnect the keyboard cable from the system board 4 Hold the sides of the palm rest assembly securely while pushing into the two release holes using a plastic scribe...

Page 35: ...5 Gently pry up the lower edge of the keyboard from the computer Removing and installing components 35 ...

Page 36: ...UTION As you remove the keyboard from the palmrest carefully pull out the keyboard cable from the opening on the palmrest 6 Remove the keyboard away from the computer 36 Removing and installing components ...

Page 37: ... on the palmrest first before you slot the keyboard into the top latches 2 Connect the keyboard cable on the system board 3 Install the a battery b base cover c microSD 4 Follow the procedure in After working inside your computer Palm rest Removing the palmrest 1 Follow the procedure in Before working inside your computer 2 Remove the a microSD card b base cover Removing and installing components ...

Page 38: ...nt you are left with is the palmrest 3 Install the following components on the new palmrest a system board b display assembly c touchpad d speakers e audio board f fan g heatsink h keyboard i battery j base cover k microSD card 4 Follow the procedure in After working inside your computer 38 Removing and installing components ...

Page 39: ...906 inches 23 mm Back Height 20 8 mm Width 13 1 inches 332 9 mm Depth 9 13 inches 231 8mm Weight 3 63 lb 1 6448 kg Display 13 3 HD 16 9 1366 X 768 Anti Glare non touch 13 3 HD 16 9 1366 x 768 Touch with Corning Gorilla Glass NBT Graphics Intel HD Graphics Memory 4G LPDDR3 4 GB 1866 MHz AC Adapter 65 W Type C AC adapter Battery 4 cell lithium ion 56 Whr Prismatic No ExpressCharge Audio Codec MAX983...

Page 40: ...r Noble Wedge lock slot Internal MiniCard Slots M 2 Warranty 1 year onsite repair service ProSupport with NBD Onsite Premium Phone Support In Home 1 4 years warranty extension options Multiple Display Options A connector is available for an external HDMI display up to 1080p Dock Options N A Regulatory and Environmental Compliance Regulatory and product certification for US and EMEA 40 Product Spec...

Page 41: ...a fast simple and more secure computing experience for users who spend most of their time online Key Benefits Speed Simplicity Security Updatability Synchronization ability High power at low cost Easy to learn and use Documents calendar e mail contacts and tasks available online and offline and all securely backed up and synchronised in the cloud Access to the Chrome web app store The latest Intel...

Page 42: ...ux 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 The BIOS is always verified 42 Software ...

Page 43: ...nd 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 Software 43 ...

Page 44: ...44 Software ...

Page 45: ...a USB key or SD card Recovery mode is entered if verified boot fails A user can force recovery mode via a key combination during boot Coreboot U boot Custom Firmware Coreboot x86 only Memory and chipset initialization Open source except for MRC binary from Intel U Boot Performs verified boot Handles recovery and Developer Mode Open source code Normal boot is very fast as it takes less than 1 secon...

Page 46: ...rmware recovery button developer switch Includes additional licensed features such as the Netflix plugin video codecs and fonts View system information 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 ...

Page 47: ...e 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 etc Software 47 ...

Page 48: ...ll 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 klhphccnhmdlnljpdljjheh...

Page 49: ...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 49 ...

Page 50: ...MultiColor Poll Students can vote with different LED color by either clicking the on screen button suggested or pressing keyboard hot key 50 Software ...

Page 51: ...d 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 The image below shows the keyboard layout Keyboard keys function The Chrome device keyboard is designed to help you get to the things you need the most The table below is an overview of the special keys ...

Page 52: ...rd the Windows key in between Ctrl and Alt will work as the search key To turn Caps Lock on temporarily press Alt Search Adjust special keys and Caps Lock Chromebooks come with a special search key to help quickly search the web To type capital letters users can make the search key work like the Caps Lock key Similarly you can also adjust the way the Ctrl and Alt keys work on the Settings page Cha...

Page 53: ...ortcuts Ctrl Shift D Save all open pages in the current window as bookmarks in a new folder Ctrl Shift G orShift Enter Go to the previous match for the input in the find bar Ctrl Shift B Toggle the display of the bookmarks bar Bookmarks appear on the New Tab page if the bar is hidden Ctrl Shift I Toggle the display of the Developer Tools panel Ctrl Shift J Toggle the display of the DOM Inspector C...

Page 54: ...Print your current page Ctrl R Reload your current page Ctrl S Save your current page Ctrl T Open a new tab Ctrl U View page source Ctrl V Paste content from the clipboard Ctrl W Close the current tab Ctrl X Cut Ctrl Z Undo the last action Ctrl Backspace Delete the previous word Ctrl Tab Switch to next tab Ctrl Enter Add www and com to your input in the address bar and open the resulting URL Ctrl ...

Page 55: ... Shift Tab or the left arrow to focus on the previous item in the toolbar Press Space or Enter to activate buttons including page actions and browser actions Press Shift Volume increase to open the context menu for the button if available Press Esc to return focus to the page Shift Search Volume Up Open right click menus for focused items Shift Esc Open the Task Manager To see more shortcuts simpl...

Page 56: ...he item you want to move with one finger With a second finger move the item Release both fingers to drop the item at its new location 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 output stream...

Page 57: ...rements for Digital Microphones Tightly controlled sensitivity of 26 dBFS 2 dB Robust digital output immune to RF EM interference Matched microphones in frequency and phase response for array applications Output supports dual microphone single wire multiplexing Industry standard microphone interface compatible with multiple codecs Low current power down mode Lead free surface mountable and RoHS2 c...

Page 58: ...e menu Your Chromebook will automatically begin scanning for available Bluetooth devices 5 Pick the device you want to add from the list of available Bluetooth devices and click Connect 6 Follow the instructions on the screen to connect your Bluetooth device If you are connecting a mouse no PIN is normally required If you are prompted for a PIN enter the PIN for your mouse using your Chrome device...

Page 59: ... 3 Depending on the Chromebook you have you may see a power indicator light close to the charging port If you have let the Chromebook charge and the light is not coming on perform a hard reset by pressing Refresh Power 4 Use a different AC adapter with the same power voltage 5 Remove the AC adapter and turn on with the battery power only 6 If the above steps did not resolve the issue perform a har...

Page 60: ...book 4 If audio still does not respond try Reset or Recover the Chromebook Screen issues If the screen is not operating properly images are too dark or no image is appearing 1 Try adjusting the brightness with the brightness keys at the top of the keyboard 2 In the status area in the bottom right of the screen check the display and make sure there are no issues with a mirrored or extended display ...

Page 61: ... seconds 3 Restart the Chrome OS by holding down the power button until the device turns off and then turn it back on again 4 If the cursor still does not move when using the touchpad try logging in from the Guest account using the tab key to navigate 5 If users experience touchpad issues with the account that is not the owner primary account delete the user account and re create it Again use the ...

Page 62: ... the message Chrome OS is missing or damaged Please insert a recovery USB stick into the USB ports on the device Perform a system recovery See performing Recover Chromebook for more information Chrome OS stops responding and nothing moves on the computer display If the Chrome OS stops responding and nothing moves on the computer display 1 Turn off the computer 2 Disconnect all peripheral devices a...

Page 63: ...rome browser shortcuts Purpose Browser Shortcut Explanation System Information chrome system Who am I BIOS version and so on Basic Connectivity Diags chrome diagnostics Test for NIC and Internet connection Chrome Information chrome version 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 th...

Page 64: ... for 2 GB Chromebooks Following are the 12 most helpful chrome commands that you should know Table 15 Helpful chrome commands Chrome Commands Purpose Screenshot chrome flags From here you can enable some of the experimental features that are hidden in the Google Chrome browser Please note that as mentioned on this page since these are experimental these might not work as expected and might cause i...

Page 65: ...lable 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 Diagnostics and Troubleshooting 65 ...

Page 66: ...ss name and the memory it takes chrome net internals This displays all networking related information Use this to capture network events generated by the browser You can also export this data You can view DNS host resolver cache One of the important features in this feature is Test If a URL failed to load you can go to chrome net internals click on Tests tab type that URL which failed and click on...

Page 67: ...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 Options on Windows and Menu Preferences on Linux From here you can control various browser related settings Diagnostics and Troubleshooting 67 ...

Page 68: ... command cmd exe terminals Chrome OS is based on Linux but CROSH does not recognize most Linux commands The most useful commands for troubleshooting are memory test storage_test_1 storage_test_2 ping and tracepath Ping works differently than it does in Windows By default it repeats until you press Ctrl C and it does not show any statistics The tracepath command is similar to the Windows traceroute...

Page 69: ... of seconds No argument defaults to a 300 s test bt_console agent capability Enters a Bluetooth debugging console The Optional argument specifies the capability of a pairing agent the console provides see the Bluetooth Core specification for valid options chaps_debug start stop log_level Sets the chaps debug logging level No arguments will start verbose logging connectivity Shows connectivity stat...

Page 70: ... used to play record audio samples and enable beam forming on Pixel sound beamforming on off will enable disable the feature sound record duration will start recording sound play filename plays the recorded audio samples storage_status Reads storage device SMART health status vendor attributes and error logs storage_test_1 Performs a short offline SMART test storage_test_2 Performs an extensive re...

Page 71: ...ok 2 Turn on and sign in to Chromebook 3 Open the Chrome browser 4 Press CTRL ALT T to open CROSH 5 Type battery_test 1 into CROSH and then press Enter 6 A screen displays the current battery health and discharge rate If the Battery health percentage is greater than 50 the battery is within the expected wear limits If the Battery health percentage is equal to or less than 50 and the battery is les...

Page 72: ...these steps to reset your Chromebook to its original factory state 1 Click the status area in the lower right corner where your account picture appears 2 Click Settings as highlighted from the screenshot below 3 Click Show advanced settings to expand the menu 4 Click the Powerwash button 5 Click Restart when prompted You can also reset your Chromebook from the sign in screen by holding down the ke...

Page 73: ...s Instructions 1 Click this link to download the Recovery Tool If you are a network administrator for your school business or organization click this link to download the Recovery Tool 2 Run the tool and follow the instructions that appear on your screen 3 After you recover your Chromebook you must format your USB flash drive or SD card using the Recovery Tool If you do not format your USB flash d...

Page 74: ...tion is turned off when you start up Use the developer mode if you want to test your own version of the Chrome operating system 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 Question Solut...

Page 75: ...ered your Chromebook but now Windows does not recognize the whole size of the USB or SD card used for recover After you have completed recovery you need to format your USB or SD card using the recovery tool Diagnostics and Troubleshooting 75 ...

Page 76: ... 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 1 Go to Dell com support 2 Select your support category 3 Verify your country or region in the Choose a Country Region drop down list at the bottom of the page 4 Select the appropriate service or support link based on...

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