Download Print this page

Advertisement

Chromebook 5190
Owners Manual
Regulatory Model: P28T
Regulatory Type: P28T001

Advertisement

Troubleshooting

   Related Manuals for Dell Chromebook 5190

   Summary of Contents for Dell Chromebook 5190

  • Page 1

    Chromebook 5190 Owners Manual Regulatory Model: P28T Regulatory Type: P28T001...

  • Page 2

    A WARNING indicates a potential for property damage, personal injury, or death. © 2018 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..........................5 Safety precautions................................5 Standby power................................5 Bonding ..................................5 Electrostatic discharge — ESD protection.......................5 ESD field service kit ..............................6 Transporting sensitive components........................... 7 Before working inside your computer..........................7 After working inside your computer..........................7 2 Removing and installing components......................

  • Page 4

    Replacing palmrest..............................41 3 Technology and components........................43 Keyboard................................... 43 Keyboard keys function............................. 43 Touchpad...................................45 Bluetooth...................................46 4 Product specification for Chromebook 5190....................47 5 Software..............................48 Operating system................................48 Chrome OS................................. 48 Verified Boot................................49 Disk Partition Map..............................50 Developer and Recovery mode..........................51 Coreboot and U-boot Custom Firmware.........................

  • Page 5: Working On Your Computer

    Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable.

  • Page 6: Esd Field Service Kit

    Two recognized types of ESD damage are catastrophic and intermittent failures. • Catastrophic – Catastrophic failures represent approximately 20 percent of ESD-related failures. The damage causes an immediate and complete loss of device functionality. An example of catastrophic failure is a memory DIMM that has received a static shock and immediately generates a "No POST/No Video"...

  • Page 7: Transporting Sensitive Components

    Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport.

  • Page 8

    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. Replace the base cover. Connect any external devices, such as a port replicator or media base, and replace any cards, such as an ExpressCard.

  • Page 9: Removing And Installing Components

    Removing and installing components microSD card Removing microSD card Follow the procedure in Before working inside your computer. Press in on the microSD card to release it from the computer. Remove the microSD card from the computer. Installing microSD card Slide the SD card into its slot until it clicks into place.

  • Page 10

    b Pry the base cover from the edge using a plastic scribe [1] and lift the base cover from the system [2]. Removing and installing components...

  • Page 11

    Lift the base cover away from the system. Removing and installing components...

  • Page 12: Installing The Base Cover

    Installing the base cover Toe in the base cover front edge into the system. Press the edges of the cover until it clicks into place. Replace the M2.5x7.5 screws to secure the base cover to the system. Install the microSD card.

  • Page 13

    d Remove the single (M2x3) screw and lift the left metal bracket that secures the battery cable to the connector on the battery [1, 2]. Unroute the battery cable [3]. Peel the adhesive that secures the battery cable to the system board [4]. Removing and installing components...

  • Page 14

    g Remove the 3 (M2x3) screws that secure the battery to the system [1]. h Lift the battery away from the system [2]. Removing and installing components...

  • Page 15: Installing The Battery

    Installing the battery Insert the battery into the slot on the system. Replace the 3 (M2x3) screws that secure the battery to the system. Route the battery cable and connect the cable to the connector on the system board. Affix the 2 adhesive tap to secure the cable to the system board. Place the 2 metal brackets to secure the battery cable to its connector on the system board and the battery.

  • Page 16

    d Lift the speaker away from the system. Removing and installing components...

  • Page 17: Installing Speaker

    Installing speaker Place the speakers into the slots on the system. Route the speaker cable through the retention clips in the routing channel. Affix the adhesive tape to secure the speaker cable to the system. Connect the speaker cable to the connector on the system board. Install the: battery base cover...

  • Page 18: Installing Wlan Card

    Installing WLAN card Insert the WLAN card into the slot on the system. Connect the WLAN antenna cables to the connectors on the WLAN card. Place the WLAN card bracket to secure the WLAN cables to the WLAN card. Replace the single (M2x3) screw to secure the WLAN card bracket to the system. Install the: battery base cover...

  • Page 19: Input Output Board

    Input Output board Removing Input Output board Follow the procedure in Before working inside your computer. Remove the: microSD card base cover battery To remove the Input Output board (I/O board): Lift the latch and, disconnect the two I/O cables from the connector on the I/O board [1]. b Remove the 2 (M2x4) screws that secure the I/O bracket to the system [2].

  • Page 20: Installing Input Output Board

    Installing Input output board Place the Input output (I/O) board to its slot in the system. Replace the 2 (M2x3) screws to secure the I/O board to the system board. Connect the two I/O cables and close the latch to secure it to the I/O board. Place the I/O bracket and replace the 2 (M2x4) screws to secure the bracket to the system.

  • Page 21: Touchpad

    Touchpad Removing the touchpad Follow the procedure in Before working inside your computer. Remove the: microSD card base cover battery To remove the touchpad: Remove the 3 (M2x3) screws that secure the touchpad bracket to the system [1]. b Remove the touchpad bracket [2]. Lift the latch and, disconnect the touchpad cable from the connector in the touchpad frame [1].

  • Page 22

    Remove the 3 (M2x2) screws that secure the touchpad frame to the system [1]. Lift the touchpad away from the system [2]. Removing and installing components...

  • Page 23: Installing The Touchpad

    Installing the touchpad Place the touchpad into its slot on the system. Replace the 3 screws to secure the touchpad frame to the system. Connect the touchpad cable to the connector in the touchpad frame. Affix the adhesive tape to secure the touchpad frame to the system. Place the touchpad bracket into the slot.

  • Page 24

    Turn the system and carefully pull the keyboard cable through the gap in the palm rest. d Lift the keyboard away from the system. Removing and installing components...

  • Page 25: Installing Keyboard

    Installing keyboard Carefully insert the keyboard cable through the gap on the palm rest before securing the keyboard onto the system. Align the keyboard trim with the tabs on the system, and press it until it clicks into place. Turn the system and connect the keyboard cable to the connector on the system board. Install the: battery base cover...

  • Page 26: System Board

    System board Removing system board Follow the procedure in Before working inside your computer. Remove the: microSD card base cover battery To remove the system board: Lift the latch and, disconnect the 2 Input/Output cables from the connector on the system board [1]. b Lift the latch and, disconnect the touchpad cable from the connector on the system board [2].

  • Page 27

    Remove the single (M2x4) screw that secures the system board bracket to the system [1]. Lift the system board bracket [2] and release the hook on the bracket from the retention tab in the system [3]. Removing and installing components...

  • Page 28

    Remove the 3 (M2x3) screws that secure the system board to the system [1]. m Lift the system board away from the system [2]. Removing and installing components...

  • Page 29: Installing System Board

    Installing system board Align the screw holes on the system board with the screw holes on the system. Replace the 3 screws to secure the system board to the system. Align the system board bracket and snap the hook on the bracket to the retention tab in the system. Place the system board bracket and replace the single screw to secure the bracket to the system.

  • Page 30

    Turn the system. Removing and installing components...

  • Page 31: Installing Display Assembly

    g Place the system in a 90° position on the edge of a plane surface with the display facing down. h Remove the 6 (M2.5x5) display hinge bracket screws that secure the display assembly to the system [1]. Lift the display assembly away from the system [2]. Installing display assembly Place the chassis on the edge of a plane surface.

  • Page 32: Display Bezel

    Display bezel Removing display bezel Follow the procedure in Before working inside your computer. Remove the: microSD card base cover battery display assembly To remove the display bezel: Remove the mylar cap that secures the display bezel to the display assembly. b Remove the 4 (M2x3.5) screws that secure the display bezel to the display assembly.

  • Page 33

    Pry the edges to release the display bezel from the display assembly. Removing and installing components...

  • Page 34: Installing Display Bezel

    Installing display bezel Place the display bezel on the display assembly. Starting from the top corner, press on the display bezel and work around the entire bezel until it clicks on to the display assembly. Replace the 4 screws to secure the display bezel to the display assembly Replace the mylar caps on the display bezel.

  • Page 35

    b Peel the adhesive tape that secures the eDP cable to the display panel [1]. Lift the latch and, disconnect the display cable from the connector in the display panel [2, 3]. Removing and installing components...

  • Page 36

    d Lift the display panel away from the display assembly. Removing and installing components...

  • Page 37: Installing Display Panel

    Installing display panel Connect the eDP cable to the connector, and affix the tape. Replace the display panel to align with the screw holders on the display assembly. Replace the 4 screws to secure the display panel to the display assembly. Install the: display bezel display assembly...

  • Page 38: Installing Display Hinge

    b Lift the display hinge away from the display assembly. Installing display hinge Place the display hinge cover on the display assembly. Replace the 2 (M2x3) screws and 4 (M2.5x2.5) screws to secure the display hinge to the display assembly. Removing and installing components...

  • Page 39: Display Cable

    Install the: display panel display bezel display assembly battery base cover microSD card Follow the procedure in After working inside your computer. Display cable Removing display cable Follow the procedure in Before working inside your computer. Remove the: microSD card base cover battery display assembly...

  • Page 40: Installing Display Cable

    Installing display cable Route the display cable to its slot in the display assembly. Install the: display panel display bezel display assembly battery base cover microSD card Follow the procedure in After working inside your computer. Camera Removing camera Follow the procedure in Before working inside your computer.

  • Page 41: Installing Camera

    d Lift the camera away from the display assembly. Installing camera Align and place the camera to its slot in the display assembly. Connect the camera cable to the connector on the display assembly. Affix the adhesive tape to secure the camera cable to the system. Install the: display panel display bezel...

  • Page 42

    microSD card base cover battery speaker input and output board WLAN card touchpad keyboard system board display assembly The component you are left with is the palmrest. Install the following in the palmrest: display assembly system board keyboard touchpad WLAN card input and output board speaker battery...

  • Page 43: Technology And Components

    Keyboard Dell Chromebook 5190 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 44

    Special keys Reload current page Enter Immersive mode, which hides the tabs and launcher Enter Overview mode, which shows all windows Decrease screen brightness Increase screen brightness Mute Decrease the volume Increase the volume Search applications and the web at the same time. On a Chromebook, this key is on the side, where the Caps Lock key is normally located.

  • Page 45: 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 5190 touchpad gestures. The following table lists some gestures and actions supported by the Chromebook touchpad: Table 3. Touch pad gestures...

  • Page 46: Bluetooth

    Touchpad gestures 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 short distances.

  • Page 47: Product Specification For Chromebook 5190

    Product specification for Chromebook 5190 This topics lists out the technical specifications for your computer. Table 4. Specifications Type Feature Model Number Chromebook 5190 Processor family Intel Apollo Lake Celeron processor (Dual and Quad Core) Operating System Google Chrome OS Memory configurations •...

  • Page 48: Software

    Software This section provides information about the operating system, commands, and bundled software for Dell . Topics: • Operating system • View system information Operating system This page contains information about the operating system used by the Dell Chromebook 5190.

  • Page 49: Verified Boot

    • 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 •...

  • Page 50: Disk Partition Map

    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. 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.

  • Page 51: Developer And Recovery Mode

    Developer and Recovery mode Table 5. 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 52: Chrome Vs Chromium Os

    This page contains all the information about viewing system information for the Dell Chromebook. Dell Chromebook 5190 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 53

    Table 7. 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. Software...

  • Page 54

    Commands Action and Purpose Screenshot Chrome:system View advanced system information such as the Google Chrome version, BIOS information, CPU information, memory information, network status, power supply information, etc. Software...

  • Page 55

    Commands Action and Purpose Screenshot Chrome:net- View advanced networking internals information. Software...

  • Page 56: Diagnostic And Troubleshooting

    • Commonly used CROSH command • Reset Chromebook • Recovery Chromebook Basic troubleshooting This page contains all the information for Dell basic troubleshooting NOTE: Refer to Google Help Center for the online troubleshooter. NOTE: Resetting the Chromebook, also known as Powerwash, can be attempted before Recovering the Chromebook.

  • Page 57

    Power issues the Chromebook charge and the light is not coming on, perform a hard reset. NOTE: You can perform a hard reset by pressing Refresh + Power. Use a different AC adapter with the same power voltage. Remove the AC adapter, and turn on with the battery power only.

  • Page 58

    Audio, screen, and camera issues Try adjusting the brightness with the brightness keys at the top of the keyboard. 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 59

    Touchpad / Hotkeys issues If the cursor still does not move when using the touch pad, try logging in from the Guest account using the tab key to navigate. If users experience touch pad issues with the account that is not the owner (primary) account, delete the user account and re-create it.

  • Page 60: 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 61: Crosh Commands

    Press <Clrl> + <Alt> + <T> The interface appears as shown in the screenshot below: Type in the CROSH command for diagnostics. Type 'help' for a list of available commands. Type help_advanced to display a complete list of commands for debugging purposes Alternately, refer to CROSH Commands for the list of the CROSH commands available for diagnostics.

  • Page 62

    Table 15. Advanced help command Command Purpose battery_test[<test length>] Tests the battery discharge rate for a given number 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.

  • Page 63: Chrome Commands

    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 the scope of what Dell supports Diagnostic and troubleshooting...

  • Page 64

    Purpose Browser Shortcut Explanation Memory Troubleshooting chrome://memory View running processes and memory utilization Module Load chrome://conflicts Shows conflicts 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...

  • Page 65

    Table 17. 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 issues.

  • Page 66

    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 67

    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 68

    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 69: Commonly Used Crosh Command

    Google, and sync statistics. Commonly used CROSH command This page contains information about the most commonly used CROSH commands to diagnose the Dell . Below are some of the most commonly used CROSH commands to troubleshoot a hardware issue.

  • Page 70

    Type battery_test 1 into CROSH, and then press Enter. Check the result to confirm that the battery is charging. Check battery health Follow the steps to evaluate the health of the Chromebook battery, and check the discharge rate: Disconnect the AC adapter from the Chromebook. Turn on and sign in to Chromebook.

  • Page 71

    Press CTRL + ALT + T to open CROSH. Type battery_test 1 into CROSH, and then press Enter. 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. •...

  • Page 72

    • If the test results show that Battery is Unknown, the battery might need to be 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 it also depends on the capacity of the memory. Turn on and sign in to Chromebook.

  • Page 73

    A diagnostic screen displays the result of the memory test passed without any errors. Example of a memory test failure. Diagnostic and troubleshooting...

  • Page 74

    Checking network status If you are having trouble connecting to the Internet, use the steps in one or more of the following sections to test the network adapter: Follow the instruction to gather the information about the network and diagnose the network errors. Turn on and sign in to Chromebook.

  • Page 75

    Wait while CROSH performs a set of network diagnostic tests. A diagnostic screen displays the results of the network adapter health test. The diagnostic test log is saved as a.txt (plain text) file in the Files app. Diagnostic and troubleshooting...

  • Page 76: 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 Dell . All local user data stored on the Chromebook can be cleared by resetting it to its original factory state (also known as Powerwash).

  • Page 77

    Click the status area in the lower-right corner, where your account picture appears. Diagnostic and troubleshooting...

  • Page 78

    Click Settings as highlighted from the screenshot below. Diagnostic and troubleshooting...

  • Page 79

    Click Show advanced settings to expand the menu. Diagnostic and troubleshooting...

  • Page 80

    Click the Powerwash button. Diagnostic and troubleshooting...

  • Page 81: Recovery Chromebook

    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 recovery process. You may want to go through this process if you are having problems updating your Chromebook or if it stops working.

  • Page 82

    NOTE: All account information and data stored on your Chromebook, such as photos, downloaded files, and saved networks, will be deleted. Owner privileges for your primary account will also be reset. However, the actual Google Accounts and any data synced to these accounts are not affected by the recovery process. After the recovery process is complete, you will be guided through the initial setup again.

  • Page 83: Troubleshooting Tips

    Operating System Instructions reinserting your USB drive or SD card. Your USB drive or SD card should now be ready to use for recovery. Create a recovery flash drive by using the Recovery Tool. The tool may not be available in all languages. 1.Click this link to download the Recovery Tool.

  • Page 84

    Question Solution If the problem persists, contact Google Chrome support team. An error message You are using an out-of-date Chrome OS You should download an up-to date recovery image. Simply follow all recovery image. the instructions exactly as specified in Step 2 above. You successfully recovered your Chromebook but now you can not After you have completed recovery, you need to format your USB use your USB or SD card with Windows...

  • Page 85: 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.

Comments to this Manuals

Symbols: 0
Latest comments: