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Dell Chromebook 3400, Service Manual

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Dell Chromebook 3400 Service Manual Download Page 45

4 

Pull the keyboard cable from the gap in the palmrest and connect to the connector on the keyboard interposer board [1, 2].

Next steps

1

Install the 

battery

.

2

Install the 

base cover

.

3

Install the 

microSD card

.

4

Follow the procedure in 

after working inside your computer

.

System board

Removing the system board

Prerequisites

1

Follow the procedure in 

before working inside your computer

.

2

Remove the 

microSD card

.

3

Remove the 

base cover

.

4

Remove the 

battery

.

Steps

1 

Remove the single (M2.0x3.0) screw that secures the wireless bracket to the system board [1].

2 

Lift the wireless bracket away from the computer [2].

3 

Disconnect the two wireless antennas from the connector on the system board [3].

Removing and Installing

45

Summary of Contents for Chromebook 3400

Page 1: ...Dell Chromebook 3400 Service Manual Regulatory Model P101G Regulatory Type P101G001 ...

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 2019 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 2019 03 Rev A00 ...

Page 3: ...icroSD card 13 Installing microSD card 13 Base cover 14 Removing the base cover 14 Installing the base cover 17 Battery 19 Lithium ion battery precautions 19 Removing the battery 20 Installing the battery 22 Speaker 25 Removing the speakers 25 Installing the speakers 28 Input Output board 31 Removing the Input and output board 31 Installing Input output board 34 Keyboard interposer board 37 Removi...

Page 4: ...oving display cable 72 Installing display cable 73 Camera 74 Removing camera 74 Installing camera 75 Display back cover 76 Replacing display back cover and antenna assembly 76 Palm rest 78 Replacing palmrest assembly 78 4 Troubleshooting 80 Basic troubleshooting 80 Power issues 80 CROSH 84 CROSH commands 85 Chrome commands 86 Commonly used CROSH command 92 Check battery charging status 92 Reset Ch...

Page 5: ...same time as touching 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 ...

Page 6: ...en unplug the cable from the network device 5 Disconnect your computer and all attached devices from their electrical outlets 6 Press and hold the power button while the computer is unplugged to ground the system board NOTE To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface at the same time as touching a connecto...

Page 7: ...uper Speed 2013 USB 3 0 USB 3 1 Gen 1 SuperSpeed USB For years the USB 2 0 has been firmly entrenched as the de facto interface standard in the PC world with about 6 billion devices sold and yet the need for more speed grows by ever faster computing hardware and ever greater bandwidth demands The USB 3 0 USB 3 1 Gen 1 finally has the answer to the consumers demands with a theoretically 10 times fa...

Page 8: ...meras etc USB 2 0 may not be fast enough Furthermore no USB 2 0 connection could ever come close to the 480Mbps theoretical maximum throughput making data transfer at around 320Mbps 40MB s the actual real world maximum Similarly USB 3 0 USB 3 1 Gen 1 connections will never achieve 4 8Gbps We will likely see a real world maximum rate of 400MB s with overheads At this speed USB 3 0 USB 3 1 Gen 1 is ...

Page 9: ...pport for USB 3 1 Gen 1 controllers This is in contrast to previous versions of Windows which continue to require separate drivers for USB 3 0 USB 3 1 Gen 1 controllers Keyboard Dell 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 u...

Page 10: ...d Press Ctrl Alt and the down arrow Delete Press Alt Backspace Toggle the bookmark bar Ctrl Shift B Search current webpage Ctrl F Open a new tab Ctrl T Open a new window Ctrl N Open the link you clicked in a new background tab Press Alt and click a link Switch to next tab Ctrl Tab Sign out of Google Account Ctrl Shift Q Close current tab Ctrl W To see more shortcuts simply press Ctrl Alt To open t...

Page 11: ...uickly move two fingers left or right to go backward or forward on web pages or while using apps Click the 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 Bluetooth This section outlines the instruction to pair a bluetooth device with your Chrome devices Bluetooth technology lets you connect devices wirelessly over ...

Page 12: ... 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 s keyboard If you are connecting a keyboard enter the randomly generated PIN on the keyboard you wish to pair and press Enter To confirm that your Bluetooth d...

Page 13: ...e procedure in before working inside your computer Steps 1 Press the microSD card to release it from the computer 1 2 Remove the microSD card from the computer 2 Installing microSD card Step Slide the SD card into its slot until it clicks into place 1 2 3 Removing and Installing 13 ...

Page 14: ...your computer Base cover Removing the base cover Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card Steps 1 Loosen the 11 captive screws that secure the base cover to the computer 14 Removing and Installing ...

Page 15: ...2 Pry the base cover from the edge using a plastic scribe 1 2 Removing and Installing 15 ...

Page 16: ...ext to the left and right hinges which ease the disassembly procedure With the help of a plastic scribe pry open from the top left side of the base cover continue working your way around the left and right side of the base cover then remove the base cover from the system 3 Lift the base cover from the computer 16 Removing and Installing ...

Page 17: ...Installing the base cover Steps 1 Align the base cover on the computer and press the edges of the cover until it clicks into place Removing and Installing 17 ...

Page 18: ...2 Tighten the 11 captive screws to secure the base cover to the computer 18 Removing and Installing ...

Page 19: ...cts Do not expose the battery to high temperatures or disassemble battery packs and cells Do not apply pressure to the surface of the battery Do not bend the battery Do not use tools of any kind to pry on or against the battery If a battery gets stuck in a device as a result of swelling do not try to free it as puncturing bending or crushing a Lithium ion battery can be dangerous In such an instan...

Page 20: ... 3 Remove the base cover Steps 1 Disconnect the battery cable from the connector in the system board 1 2 Unroute the battery cable from the routing channel 2 3 Remove the three M2 0x4 0 screws that secure the battery to the palmrest 1 4 Peel the adhesive tape that secures the battery in place 2 3 20 Removing and Installing ...

Page 21: ...5 Pry the battery from the bottom edge 1 and remove the battery from the computer 2 Removing and Installing 21 ...

Page 22: ...ery Steps 1 Peel the protective film before installing the battery 1 2 Align the battery into the slot on the computer and press the battery on the upper right corner to fix it to the palmrest 2 22 Removing and Installing ...

Page 23: ...3 Replace the three M2 0x4 0 screws to secure the battery to the palmrest 1 4 Affix the adhesive tape to the battery 2 3 Removing and Installing 23 ...

Page 24: ...5 Reroute the battery cable and connect the cable to the connector on the system board 1 2 24 Removing and Installing ...

Page 25: ... the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery Steps 1 Peel the adhesive tape that secures the speaker cable to the palmrest 1 2 Disconnect the speaker cable from the connector on the system board 2 3 Peel the adhesive tape that secures the speaker cable to the palmrest 3 Removing and Installing 25 ...

Page 26: ...4 Unroute the cable from retention clips in the routing channel 26 Removing and Installing ...

Page 27: ...5 Lift the speakers away from the computer Removing and Installing 27 ...

Page 28: ...Installing the speakers Steps 1 Place the speakers into the slots on the computer 28 Removing and Installing ...

Page 29: ...2 Reroute the speaker cable through the retention clips in the routing channel Removing and Installing 29 ...

Page 30: ...3 Connect the speaker cable to the connector on the system board 1 4 Affix the adhesive tapes to secure the speaker cable to the computer 2 3 30 Removing and Installing ...

Page 31: ...nput and output board Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery Steps 1 Disconnect the Type C power cable from the connector in the IO board 1 2 Open the latch and disconnect the 30 pin and 40 pin IO board cable from the connectors in the IO board 2 Removing and Installing 31 ...

Page 32: ...3 Remove the two M2 0x4 0 screws that secure the IO board bracket to the IO board 1 4 Use a plastic scribe to lift the IO board bracket away from the palmrest 2 32 Removing and Installing ...

Page 33: ...5 Remove the two M2 0x4 0 screws that secure the IO board to the palmrest 1 6 Lift the IO board away from the computer 2 Removing and Installing 33 ...

Page 34: ...Installing Input output board Steps 1 Place the IO board to its slot in the computer 1 2 Replace the two M2 0x4 0 screws that secure the I O board to the palmrest 2 34 Removing and Installing ...

Page 35: ...3 Place the IO board bracket to its slot and replace the two M2 0x4 0 screws that secure the bracket to the IO board 1 2 Removing and Installing 35 ...

Page 36: ...4 Connect the Type C power cable to the connector on the IO board 1 5 Connect the 30 pin and 40 pin IO board cables and close the latch to secure it to the IO board 2 36 Removing and Installing ...

Page 37: ...g the keyboard interposer board Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery Steps 1 Disconnect the keyboard cable from the connector on the keyboard interposer board 1 2 Disconnect the keyboard interposer cable from the connector on the system board 2 Removing and Installing 37 ...

Page 38: ...3 Remove the two M2 0x4 0 screws that secure the keyboard interposer board to the palmrest 1 4 Lift the keyboard interposer board away from the computer 2 38 Removing and Installing ...

Page 39: ...e keyboard interposer board Steps 1 Carefully insert the keyboard interposer board to its slot 1 2 Replace the two M2 0x4 0 screws to secure the keyboard interposer board to the palmrest 2 Removing and Installing 39 ...

Page 40: ...3 Connect the keyboard cable and keyboard interposer board cable to the connectors on the interposer board and system board 1 2 40 Removing and Installing ...

Page 41: ...side your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery Steps 1 Disconnect the keyboard cable from the connector on the keyboard interposer board 1 2 Use a plastic scribe to release the keyboard from the two release holes in the system 2 3 Push the keyboard cable through the gap in the palmrest 3 NOTE The two release holes for the keyboard are indicated by the KB ...

Page 42: ...4 Turn the system and carefully pull the keyboard cable through the gap in the palm rest 5 Lift and pull the keyboard out from the computer 1 2 42 Removing and Installing ...

Page 43: ...teps 1 Align the keyboard trim with the tabs on the system and slightly lift it 1 2 2 Carefully insert the keyboard cable through the gap on the palm rest and place the keyboard trim to its place 1 2 Removing and Installing 43 ...

Page 44: ...3 Press the keyboard until it clicks into place and then turn the system 1 2 44 Removing and Installing ...

Page 45: ...our computer System board Removing the system board Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery Steps 1 Remove the single M2 0x3 0 screw that secures the wireless bracket to the system board 1 2 Lift the wireless bracket away from the computer 2 3 Disconnect the two wireless antennas from the con...

Page 46: ...e bracket to the system board 1 5 Lift the display cable bracket away from the computer 2 6 Peel the adhesive tape that secures the display cable 3 7 Lift the latch and disconnect the display cable from the connector on the system board 4 46 Removing and Installing ...

Page 47: ...8 Remove the left IO bracket from the system board 1 9 Disconnect and peel the Type C power cable from the connector on the system board 2 Removing and Installing 47 ...

Page 48: ...isconnect the 30 pin IO board cable 40 pin IO board cable and the touchpad cable from the connectors on the system board 1 2 11 Disconnect the speaker cable from the connector on the system board 3 48 Removing and Installing ...

Page 49: ... the four M2 0x4 0 screws that secure the system board to the palmrest 1 13 Carefully slide and lift the system board from the left side and remove the system board from the computer 2 Removing and Installing 49 ...

Page 50: ...ard Steps 1 Align the screw holes on the system board with the screw holes and slide the system board on the computer 2 Replace the four M2 0x4 0 screws to secure the system board to the palmrest 50 Removing and Installing ...

Page 51: ...pin IO board cable 40 pin IO board cable and the touchpad cable to the connectors on the system board and close the latch 1 2 4 Connect the speaker cable to the connector on the system board 3 Removing and Installing 51 ...

Page 52: ...5 Place the left IO bracket to its place on the system board 1 6 Connect the Type C power cable to the connector on the system board 2 52 Removing and Installing ...

Page 53: ...close the latch 1 8 Affix the adhesive tape to secure the display cable to the system board 2 9 Place the display cable bracket over the connector and replace the single M2 0x4 0 screw to secure the display cable bracket to the system board 3 4 Removing and Installing 53 ...

Page 54: ...he two wireless antennas to the connector on the system board 1 11 Align and place the wireless bracket to its slot 2 12 Replace the single M2 0x3 0 screw to secure the wireless bracket 3 54 Removing and Installing ...

Page 55: ...s 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery Steps 1 Remove the single M2 0x3 0 screw that secures the wireless bracket to the system board 1 2 Lift the wireless bracket away from the computer 2 3 Disconnect and unroute the two wireless antennas from the connector on the system board 3 Removing and Installing...

Page 56: ...e bracket to the system board 1 5 Lift the display cable bracket away from the computer 2 6 Peel the adhesive tape that secures the display cable 3 7 Lift the latch and disconnect the display cable from the connector on the system board 4 56 Removing and Installing ...

Page 57: ...chnicians should therefore ensure that the left IO bracket is not moved or lost during any subsequent disassembly processes 8 Open the system to 180 degrees and place the computer on a flat surface with the display hinges facing up 9 Remove the six M2 5x5 0 screws that secure the display assembly to the palmrest 1 10 Remove the display assembly from the plamrest 2 Removing and Installing 57 ...

Page 58: ...the chassis on the edge of a plane surface 2 Align the display assembly with the screw holders on the computer 1 3 Replace the six M2 5x5 0 display hinge bracket screws to secure the display assembly to the palmrest 2 58 Removing and Installing ...

Page 59: ...he system board and close the latch 1 6 Affix the adhesive tape to secure the display cable to the system board 2 7 Place the display cable bracket over the connector and replace the single M2 0x4 0 screw to secure the display cable bracket to the system board 3 4 Removing and Installing 59 ...

Page 60: ...he two wireless antennas to the connector on the system board 1 9 Align and place the wireless bracket to its slot 2 10 Replace the single M2 0x3 0 screw to secure the wireless bracket 3 60 Removing and Installing ...

Page 61: ...e microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the display assembly Steps 1 Remove the four M2 5x3 5 screws that secure the display bezel to the panel NOTE The stickers covering the display bezel screws can be removed along with the screws and do not need to be peeled off first When removing apply pressure with a screwdriver on top of the sticker and rotate to remove both the...

Page 62: ...ht or upper left corner of the outside edge of the display bezel and continue to pry open the outside edge of the top side of the display bezel and then pry open the outside edge of the left and right sides of the display bezel 1 2 3 62 Removing and Installing ...

Page 63: ...and right sides of the display bezel 1 2 4 Continue to pry open the bottom outside edge of the display bezel and carefully pry open the bottom inside edge of the display bezel 3 4 NOTE Be careful when prying the display bezel as peeling the adhesive on display bezel may damage the display panel Removing and Installing 63 ...

Page 64: ...ezel Steps 1 Place the display bezel on the display assembly 2 Starting from the top corner press on the display bezel and work around the entire bezel until it clicks on to the display assembly 64 Removing and Installing ...

Page 65: ...here the four bezel stickers over the screws once the screws have been secured NOTE A new set of bezel stickers are included with any replacement display bezel When replacing the new display bezel adhere the new caps over the screws once the screws have been secured Removing and Installing 65 ...

Page 66: ...low the procedure in after working inside your computer Display panel Removing display panel Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the display assembly 6 Remove the display bezel 66 Removing and Installing ...

Page 67: ...splay cable 2 2 Peel the conductive tape securing the display cable on the back of the display panel 1 3 Peel and remove the rubber spacer covering the display cable 2 4 Lift the latch and disconnect the display cable from the connector on the display panel 3 4 5 Remove the display panel away from the display assembly 5 Removing and Installing 67 ...

Page 68: ...ble to the connector on the display panel and close the latch 2 3 3 Affix the rubber spacer 4 and then the conductive tape to secure the display cable on the back of the display panel 5 4 Flip the display panel to align with the screw holders on the display assembly 6 68 Removing and Installing ...

Page 69: ...5 Replace the four M2 0x3 0 screws to secure the display panel to the display assembly Removing and Installing 69 ...

Page 70: ...low the procedure in after working inside your computer Display hinges Removing display hinge Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the display assembly 6 Remove the display bezel 7 Remove the display panel 70 Removing and Installing ...

Page 71: ...inges away from the display back cover 2 Installing display hinge Steps 1 Place the display hinges onto its slot and align the screw holes on the hinges with the screws holes on the display back cover 1 2 Replace the four M2 5x3 5 screws to secure the display hinges to the display back cover 2 Removing and Installing 71 ...

Page 72: ...stall the microSD card 7 Follow the procedure in after working inside your computer Display cable Removing display cable Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the display assembly 6 Remove the display bezel 72 Removing and Installing ...

Page 73: ...tape that secures the display cable and lift the display cable away from the display back cover and antenna assembly Installing display cable Steps 1 Affix the adhesive tape to secure the display cable to the display back coverand route the cable 1 2 Connect the camera cable connector to the camera module 2 3 Affix the adhesive tape to secure the camera cable connector 3 Removing and Installing 73...

Page 74: ...er 6 Install the microSD card 7 Follow the procedure in after working inside your computer Camera Removing camera Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the display assembly 6 Remove the display bezel 74 Removing and Installing ...

Page 75: ...3 Use a plastic scribe to pull the camera module out from the chassis 3 Installing camera Steps 1 Align and place the camera to its slot in the display assembly 1 2 Connect the camera cable to the connector on the display assembly 2 3 Affix the adhesive tape to secure the camera cable connector 3 Removing and Installing 75 ...

Page 76: ...r Display back cover Replacing display back cover and antenna assembly Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the display assembly 6 Remove the display bezel 7 Remove the display panel 8 Remove the display hinges 9 Remove the display cable 10 Remove the camera 76 Removing and Instal...

Page 77: ...ed If the wireless antennas are malfunctioning and need to be replaced replace the entire display back cover and antenna assembly Next steps 1 Install the display cable 2 Install the camera 3 Install the display hinges 4 Install the display panel 5 Install the display bezel 6 Install the display assembly 7 Install the battery 8 Install the base cover 9 Install the microSD card 10 Follow the proced...

Page 78: ...ove the IO board 9 Remove the display assembly 10 Remove the system board Step The component you are left with is the palmrest NOTE The palmrest assembly cannot be further disassembled once all of the pre removal parts procedures are completed If the touchpad frame touchpad support bracket touchpad mylar touchpad module touchpad cable conductive tape or thermal pad are malfunctioning and need to b...

Page 79: ...3 Install the IO board 4 Install the keyboard 5 Install the keyboard interposer board 6 Install the speakers 7 Install the battery 8 Install the base cover 9 Install the microSD card 10 Follow the procedure in after working inside your computer Removing and Installing 79 ...

Page 80: ...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 at least an hour and try turning it on again NOTE When a new Chromebook is used for the first time the battery is still in shipping mode To resolve this issue turn off the Chrom...

Page 81: ...not muted Try adjusting the volume 2 Try rebooting the Chromebook 3 Try playing audio from various sources including YouTube and audio files stored locally on the Chromebook If the speakers are not responding when attempting to listen to audio 1 Unplug the device from all cables USB headphones and displays 2 Try playing audio from various sources including YouTube and audio files stored locally on...

Page 82: ...us area in the lower right corner 3 Try restarting the Chromebook 4 If you are still encountering issue with bluetooth try to Reset or Recover the Chomebook Touchpad and Hotkeys issues Table 9 Touchpad and hotkeys issues Touchpad Hotkeys issues Issue Possible solutions Touchpad not responding If the touch pad has stopped responding try the following steps to resolve the issue Try moving the cursor...

Page 83: ...or message appears the system could be running low on memory NOTE If you terminated the process using Google Chrome s Task Manager the system s task manager or with a command line tool this message will appear as well 1 If the page was not ended intentionally reload the page to continue If the message continues to appear try closing inactive tabs or other programs to free up more memory 2 If issue...

Page 84: ...SA 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 CROSH is a command line interface similar to the Linux BASH or Windows command cmd exe terminals Chrome OS is based on Linux but CROSH does not recognize most...

Page 85: ...t 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 status experimental_storag...

Page 86: ...rding 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 readability test syslog message Logs a message to system log tpcontrol status taptoclick on off sensitivity 1 5 set property value tpcontrol syntp on off Allows the...

Page 87: ...flicts of all modules loaded by Chrome Chrome Sync Status chrome syncchrome sync internals Allows troubleshooting of connected accounts Connectivity Troubleshooting chrome net internals Comprehensive network connectivity diagnostics including DNS analysis Waterfall and Bandwidth diagnostics and so on Histogram chrome histograms Actual work and I O audit Credits chrome credits References to all mod...

Page 88: ... 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 issues Enable these features and use it at your own risk chrome dns This displays the list of hostnames for which the browser will prefetch the DNS records 88 Troubleshooting ...

Page 89: ...lso 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 Troubleshooting 89 ...

Page 90: ...ID process 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 ...

Page 91: ...down 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 Options on Windows and Menu Preferences on Linux From here you can control various browser related settings Troubleshooting 91 ...

Page 92: ...t 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 Chrome Shell CROSH includes a simple battery health diagnostic test This is to confirm that the battery is charging and to check on the battery health and discharge rate Follow the instruction provided to check on the battery charging status 1 Connect the A...

Page 93: ...nfirm 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 Troubleshooting 93 ...

Page 94: ...tery 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 less than a year old the battery is outside expected wear limits and might need to be replaced 94 Troubleshooting ...

Page 95: ...low to perform a memory check for Chromebook NOTE This will approximately take 20 minutes to complete the test and it also depends 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 4 Type memory_test into CROSH and then press Enter Troubleshooting 95 ...

Page 96: ...5 A diagnostic screen displays the result of the memory test passed without any errors Example of a memory test failure 96 Troubleshooting ...

Page 97: ...e following sections to test the network 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 Troubleshooting 97 ...

Page 98: ...SH 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 98 Troubleshooting ...

Page 99: ... with your user profile NOTE All data stored on your Chromebook such as downloaded files photos owner permissions and saved networks will be deleted for all accounts when performing a factory reset After clearing this data you will be guided through the initial setup again Resetting your device will not affect your accounts themselves or any data synced to these accounts NOTE Do not follow the ins...

Page 100: ...1 Click the status area in the lower right corner where your account picture appears 100 Troubleshooting ...

Page 101: ...2 Click Settings as highlighted from the screenshot below Troubleshooting 101 ...

Page 102: ...3 Click Show advanced settings to expand the menu 102 Troubleshooting ...

Page 103: ...4 Click the Powerwash button Troubleshooting 103 ...

Page 104: ...hould now see the setup screen Follow the instructions on the screen to set up your Chromebook again Make sure you sign in with your primary Google Account because this account is set as the owner account Recovery Chromebook This page contains information about recovering Dell Recovering the Chromebook Install a new version of the Chrome operating system on your Chromebook by going through the rec...

Page 105: ...rd Operating System Instructions Chrome Device Instructions Create a recovery flash drive by using the Image Burner The tool may not be available in all languages 1 Type chrome imageburner into the omnibox browser s address bar 2 Run the tool and follow the instructions that appear on your screen NOTE When recovering your Chromebook make sure to create the recovery flash drive on the same model Wi...

Page 106: ...ble to start your Chromebook as normal Because the data stored on your Chromebook has been cleared you will need to go through the initial setup again Make sure you sign in with your primary Google Account because this account will be set as the owner account Chrome OS verification is turned off Message By default Chromebooks are set to the normal user mode If you ve set the user mode to developer...

Page 107: ... Step 2 above You successfully recovered your Chromebook but now you can not use your USB or SD card with Windows After you have completed recovery you need to format your USB or SD card using the recovery tool You successfully recovered 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...

Page 108: ...e 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 Steps 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...

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