Dell Inspiron Chromebook 11 3181 2-in-1 Inspiron 3181 2-in-1 Service Manual
Dell Inspiron Chromebook 11 3181 2-in-1 Manual
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- Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 1
Inspiron 3181 2-in-1 Service Manual Regulatory Model: P26T Regulatory Type: P26T001 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 2
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 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 3
Contents 1 Working on your computer...5 Safety instructions...5 Before working inside your computer...5 After working inside your computer...6 2 Disassembly and reassembly...7 Recommended tools...7 Screw size list...7 microSD card...7 Removing microSD card...7 Installing microSD - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 4
Dell activity light...40 Basic troubleshooting...40 Power issues...41 CROSH...45 CROSH commands...45 Chrome commands...47 Commonly used CROSH command...53 Check battery charging status...53 Resetting Inspiron Chromebook...60 Recovering the Inspiron Chromebook...65 Recovering the Inspiron Chromebook - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 5
only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 6
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 Connect any external devices, such as a port replicator or media base, and replace any cards, such as an - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 7
2 Disassembly and reassembly Recommended tools The procedures in this document require the following tools: • Phillips #0 screwdriver • Phillips #1 screwdriver • Plastic scribe NOTE: The #0 screw driver is for screws 0-1 and the #1 screw driver is for screws 2-4 Screw size list Table 1. Screw list - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 8
3 Remove the microSD card from the computer. Installing microSD card 1 Slide the SD card into its slot until it clicks into place. 2 Install the microSD card. 3 Follow the procedure in After working inside your computer. Base cover Removing base cover 1 Follow the procedure in Before working inside - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 9
Installing base cover If the system is shipped with M.2 SSD perform the following steps. 1 Toe in the base cover front edge into the system. 2 Press the edges of the cover until it clicks into place. 3 Replace the M2.5x7 screws to secure the base cover to the computer. 4 Install the microSD card 5 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 10
Installing battery 1 Insert the battery into the slot on the computer. 2 Connect the battery cable to the connector on the battery. 3 Replace the M2x3 screws to secure the battery to the computer. 4 Install the: a base cover b microSD card 5 Follow the procedure in After working inside your computer - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 11
NOTE: The two release holes for the keyboard are indicated by the "KB" labeling. 4 Slide the keyboard outwards, away from the computer. Disassembly and reassembly 11 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 12
NOTE: Carefully pull the keyboard connector through the gap in the palm rest. 5 Lift the keyboard away from the computer. 12 Disassembly and reassembly - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 13
Installing keyboard 1 Align the keyboard trim with the tabs on the computer, and press it until it clicks into place. 2 Connect the keyboard cable on the system board. Disassembly and reassembly 13 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 14
3 Install the: a battery b base cover c microSD card 4 Follow the procedure in After working inside your computer. Power switch board Removing power switch board 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 power - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 15
Installing power switch board 1 Align the screw hole on the power switch board with the screw holders on the slot of the computer. 2 Replace the two M2x3 screws that secure the power switch board to the computer. 3 Connect the power switch cable to the connector on the power switch board. 4 Install - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 16
Installing audio board 1 Insert the audio board into the slot on the computer. 2 Replace the M2x3 screw that secure the audio board to the computer. 3 Connect the audio cable to the connector on the audio board. 4 Install the: a battery b base cover c microSD card 5 Follow the procedure in After - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 17
3 To remove the power connector port: a Disconnect the power connector cable from the connector on the system board [1]. b Remove the M.2.0x3.0 screws that secure the power connector port on the computer [2]. c Slide and lift the power connector port away from the computer [3]. Installing power - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 18
Speaker Removing speaker 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 speaker: a Disconnect the speaker cable from the connector on the system board [1]. b Remove the adhesive tape that secures the speaker cable on - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 19
Installing speakers 1 Place the speakers into the slots on the computer. 2 Route the speaker cable through the retention clips through routing channel. 3 Affix the adhesive tape to secure the speaker cable on the computer. 4 Connect the speaker cable to the connector on the system board. 5 Install - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 20
d Lift the latch, and disconnect the cable [6] 4 Disconnect the sensor cable, and turn over the computer [1, 2] 20 Disassembly and reassembly - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 21
5 To remove display assembly: a Remove the display hinge screws M2.5xM5.0 that secure the display assembly to the computer [1]. b Lift the display assembly away from the computer [2]. Disassembly and reassembly 21 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 22
Installing display assembly 1 Place the display assembly to align with the screw holders on the computer. 2 Replace the screws that secure the display hinges to the palm-rest assembly. 3 Flip over the computer and connect the sensor cable on the system board. 4 Connect the display cable to the - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 23
Removing display back cover 1 Follow the procedure in Before working inside your computer. 2 Using the plastic scribe pry the edges of the display back cover. 3 Remove the display back cover away from the computer. Disassembly and reassembly 23 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 24
Installing display back cover 1 Align the display back cover with the tabs on the computer, and press it until it clicks into place. 2 Follow the procedure in After working inside your computer. System board Removing system board 1 Follow the procedure in Before working inside your computer. 2 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 25
5 To remove the metal bracket (WLAN and display cable): a Remove the M2.0x3.0 screw and lift the metal bracket that secures the WLAN card on the system board [1, 2] b Disconnect the WLAN cables [3]. c Remove the screws M2.0x3.0 and lift the metal bracket that secures the display cable on the - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 26
6 To remove the system board: a Remove the screws that secure the system board on the palm rest assembly [1]. b Lift the system board off the palm- rest assembly [2]. 26 Disassembly and reassembly - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 27
Installing system board 1 Align the system board with the screw holders on the computer. 2 Tighten the M2.0x3.0 screws to secure the system board to the computer. 3 Connect the display cable to the connector. 4 Place the metal bracket over the connector and tighten the M2.0x3.0 screws to secure the - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 28
Palm rest Replacing palm rest 1 Follow the procedure in Before working inside your computer. 2 Remove the: a microSD card b base cover c battery d keyboard e power switch board f audio g power connector h speaker i display assembly j system board NOTE: Touchpad is not a standalone component and is - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 29
h battery i base cover j microSD card 4 Follow the procedure in After working inside your computer. Disassembly and reassembly 29 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 30
information about the operating system, commands, and bundled software for Dell Inspiron Chromebook. Operating system This page contains information about the operating system used by the Dell Chromebook. Chrome OS Chromebooks are powered by the Google Chrome operating system, based on Google - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 31
• Killer web apps • The latest Intel Core processors • Fun games • Built-in support for popular file types and external devices For more information about the Chrome OS, please visit the Chrome OS training page. Verified Boot Read Only - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 32
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 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 33
verified boot • Handles recovery and Developer Mode • Open source code Normal boot is very fast, as it takes less than 1 second to start loading kernel. Chromebook does not boot other operating systems such as Windows or OS X. Software 33 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 34
codecs, and fonts View system information This page contains all the information about viewing system information for the Dell Chromebook. Dell Chromebook does not support Dell BIOS. Hence, there are several ways to check system specifications depending on the information you are searching for - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 35
Table 4. View system information Commands Action and Purpose Chrome:help View basic OS information. Screenshot Chrome:settings View information such as screen resolution options (Device>Display settings), touchpad, and other basic hardware information. Software 35 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 36
Commands Chrome:system Action and Purpose Screenshot View advanced system information such as the Google Chrome version, BIOS information, CPU information, memory information, network status, power supply information, etc. 36 Software - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 37
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 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 38
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. MultiColor Poll Students can vote with - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 39
Software 39 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 40
tool and troubleshooting information for field service technicians. Dell activity light The Dell Chromebook activity light LED indicator is located on the back of the display cover of Chromebook as shown below: The activity indicator supports 7 colors for Dell Active Classroom Application - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 41
computer to figure out which device is causing the problem. You are done. b If the Chromebook still does not start or exhibits the same problem, do not reconnect anything, and continue troubleshooting. 2 The battery life might be too low. Plug the Chromebook into the AC adapter and let it charge for - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 42
there are no issues with a mirrored or extended display. 3 Try rebooting the Chromebook 4 If the screen issues persist, try to Reset or Recover the Chomebook. app 3 Try rebooting the Chromebook 4 If the camera issues persist, try to Reset or Recover the Chomebook. 42 Diagnostic and troubleshooting - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 43
supported by the Chromebook. 2 Try disabling and re-enabling Bluetooth connectivity from the status area in the lower-right corner. 3 Try restarting the Chromebook the volume or brightness keys) are not responding, try the following troubleshooting steps, making sure to test the keys after each one: - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 44
OS issue He's Dead, Jim! error message Chrome OS is missing or damaged Chrome OS issues If the Chromebook becomes slow or unresponsive, and the He's Dead, Jim! error message appears, the system could be running low email address that you use to sign in to Google. 44 Diagnostic and troubleshooting - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 45
5 Click Continue and follow the on-screen instructions to reset the password. Other Chromebook lock up or freeze symptoms that are not listed here If none of the above symptoms match the Chromebook's issue, refer to Google Help Center for the online troubleshooter and more help. CROSH This topic - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 46
to the network specified by . If is not specified, use the network-id of the currently registered network. 46 Diagnostic and troubleshooting - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 47
test. Performs an extensive readability test. Logs a message to system log. Allows the user to manually adjust advanced touchpad settings. Traces the path/route to a network host. Enables or disables the auto ://about in the Chrome browser URL as shown below: Diagnostic and troubleshooting 47 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 48
the scope of what Dell supports View running processes and memory utilization Shows conflicts of all modules loaded by Chrome Allows troubleshooting of connected accounts Comprehensive Detailed memory usage for apps/extensions, especially handy for 2 GB Chromebooks 48 Diagnostic and troubleshooting - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 49
use it at your own risk. chrome://dns This displays the list of hostnames for which the browser will prefetch the DNS records. Diagnostic and troubleshooting 49 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 50
the Menu > Tools > Extensions. chrome://bookmarks This is also available from the Menu > Bookmarks > Bookmark Manager. Short cut key is Ctrl+Shift+O. 50 Diagnostic and troubleshooting - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 51
> type that URL which failed, and click on "Start Test", which does some test and report you why that URL failed. chrome://plugins/. Diagnostic and troubleshooting 51 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 52
also available from the Menu > Options (on Windows), and Menu > Preferences (on Linux). From here you can control various browser related settings. 52 Diagnostic and troubleshooting - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 53
about the most commonly used CROSH commands to diagnose the Dell Chromebook. 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 the eMMC storage device. Check battery charging status The - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 54
that the battery is charging. Check battery health Follow the steps to evaluate the health of the Chromebook battery, and check the discharge rate: 1 Disconnect the AC adapter from the Chromebook. 2 Turn on and sign in to Chromebook. 3 Open the Chrome browser. 54 Diagnostic and troubleshooting - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 55
than 50% and the battery is less than a year old, the battery is outside expected wear limits and might need to be replaced. Diagnostic and troubleshooting 55 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 56
replaced. Checking memory Follow the steps below to perform a memory check for Chromebook: NOTE: This will approximately take 20 minutes to complete the test, and on the capacity of the memory. 1 Turn on and sign in to Chromebook. 2 Open the Chrome browser. 3 Press CTRL + ALT + T to open CROSH. - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 57
5 A diagnostic screen displays the result of the memory test passed without any errors. Example of a memory test failure. Diagnostic and troubleshooting 57 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 58
adapter: Follow the instruction to gather the information about the network and diagnose the network errors. 1 Turn on and sign in to Chromebook. 2 Open the Chrome browser. 3 Press CTRL + ALT + T to open CROSH. 4 Type network_diag into CROSH, and then press Enter. 58 Diagnostic and troubleshooting - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 59
5 Wait while CROSH performs a set of network diagnostic tests. A diagnostic screen displays the results of the network adapter health test. 6 The diagnostic test log is saved as a.txt (plain text) file in the Files app. Diagnostic and troubleshooting 59 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 60
failure message, make sure the Wi-Fi adapter is enabled and connect to a network. Resetting Inspiron Chromebook This page contains all information about resetting Dell Chromebook. All local user data stored on the Chromebook can be cleared by resetting it to its original factory state (also known as - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 61
1 Click the status area in the lower-right corner, where your account picture appears. Diagnostic and troubleshooting 61 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 62
2 Click Settings as highlighted from the screenshot below. 62 Diagnostic and troubleshooting - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 63
3 Click Show advanced settings to expand the menu. Diagnostic and troubleshooting 63 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 64
4 Click the Powerwash button. 64 Diagnostic and troubleshooting - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 65
. Recovering the Inspiron Chromebook Install a new version of the Chrome operating system on your Chromebook by going through the recovery process. You may want to go through this process if you are having problems updating your Chromebook or if it stops working. Diagnostic and troubleshooting 65 - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 66
guided on your Chromebook by pressing instructions below Table 15. USB flash drive or SD card Operating System Chrome Device Instructions Windows Instructions Mac Instructions Instructions instructions that appear on your screen. 3 After you recover your Chromebook follow the instructions that - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 67
on your Chrome device 3 Wait for the Chromebook to boot up from the flash drive 4 Follow the instructions that appear on the screen. 5 On asking to recover your device. Troubleshooting Tips Table 16. Troubleshooting tips Question I am unable to recover my Chromebook An error message An unexpected - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 68
3 If the problem persists, contact Google Chrome support team. An error message You are using an out-of-date Chrome OS recovery image. You successfully recovered your Chromebook but now you can not use your USB or SD card with Windows You successfully recovered your Chromebook but now Windows - Dell Inspiron Chromebook 11 3181 2-in-1 | Inspiron 3181 2-in-1 Service Manual - Page 69
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Inspiron 3181 2-in-1
Service Manual
Regulatory Model: P26T
Regulatory Type: P26T001