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Acer Chromebook C934 Lifecycle Extension Manual
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Acer Chromebook C934 Lifecycle Extension Manual

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Acer Chromebook
C934/C934T/CB314-3H/CB314-3HT
LIFECYCLE EXTENSION
GUIDE

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Summary of Contents for Acer Chromebook C934

  • Page 1 Acer Chromebook C934/C934T/CB314-3H/CB314-3HT LIFECYCLE EXTENSION GUIDE...

  • Page 2: Table Of Contents

    Self-Repair ..........1-1 Disassembly Procedures .

  • Page 3: Self-Repair

    NOTE: NOTE: In the event of not being able to create a Factory Default recovery media, it is possible to obtain a copy of the recovery media through Acer Customer Service (http://www.acer.com/support) This is not a free of charge service.

  • Page 4: Disassembly Procedures

    Disassembly Procedures Safety Guidelines This chapter contains step by step procedures on how to remove and de-install components from the computer. Use the following safety guidelines to ensure your personal safety. Each procedure included in this chapter assumes that you are preparing your computer for recycling and disposal.
  • Page 5 WEEE Annex VII Component These components are classified as requiring selective treatment: Battery pack  Touchpad module  USB board  Mainboard  LCD panel  Disassembly Procedures...
  • Page 6 Pre-disassembly Instructions Do the following prior to starting any maintenance procedures: 1. Place the system on a stable work surface. 2. Remove the power adapter from the USB Type-C port (A or B) as shown in Figure 1-1 Figure 1-2. Figure 1-1.
  • Page 7 Base Cover Removal 1. Remove ten (10) screws from the base cover (Figure 1-3). Figure 1-3. Base Cover Removal 2. Carefully pry up the base cover starting from the upper edge to release the latches as shown in Figure 1-4. Figure 1-4.
  • Page 8 3. Continue to release the remaining latches on the upper, left, right, and bottom sides. Then grasp and remove the base cover from the system (Figure 1-5). Figure 1-5. Base Cover Removal Disassembly Procedures...
  • Page 9 Battery Pack Removal Prerequisite: Base Cover Removal 1. Find the battery pack (A) on the top assembly (Figure 1-6). 2. Detach the insulator mylar (B) and the tape (C) securing the cables (Figure 1-6). Figure 1-6. Battery Pack Removal 3. Disconnect the battery cable (D) from the mainboard connector (Figure 1-7).
  • Page 10 4. Remove the battery pack from the top assembly (Figure 1-8). WEEE Annex VII Component: Battery Pack Figure 1-8. Battery Pack Removal IMPORTANT: Follow local regulations for battery disposal. Disassembly Procedures...
  • Page 11 Touchpad Module Removal Prerequisite: Battery Pack Removal 1. Detach the adhesive tape (A) securing the cable connection (Figure 1-9). Figure 1-9. Touchpad Module Removal 2. Disconnect the touchpad FFC (B) from the touchpad module and mainboard connectors. Then remove the touchpad FFC from the top assembly (Figure 1-10).
  • Page 12 CAUTION: Touchpad FFC (Flexible Flat Circuit) can be damaged if removed while the touchpad module connector and the mainboard connector are locked. 3. Lift slightly the keyboard FPC (C). Then detach the conductive tape (C) from the touchpad module and top assembly (Figure 1-11).
  • Page 13 5. Using the screwdriver, push the guide pins (F) firmly to release them from the top assembly (Figure 1-13). 6. Slide the touchpad module slightly to disengage it from the bottom latches (F), and then remove the touchpad module (G) from the top assembly (Figure 1-13).
  • Page 14 USB Board Removal Prerequisite: Battery Pack Removal 1. Remove three (3) screws (A) securing the right LCD hinge (Figure 1-14). Figure 1-14. USB Board Removal 2. Lift the top assembly until it is fully open (Figure 1-15). Figure 1-15. USB Board Removal 1-12 Disassembly Procedures...
  • Page 15 3. Close the top assembly and lift the right LCD hinge until it is fully extended (Figure 1-16). Figure 1-16. USB Board Removal 4. Disconnect the 20-pin USB board FFC from the mainboard connector (B) and the USB board connector (C). Then remove the 20-pin USB board FFC (Figure 1-17).
  • Page 16 CAUTION: USB board FFC (Flexible Flat Circuit) and G-sensor board FFC can be damaged if removed while the mainboard connector and the USB board connector are locked. 8. Release the USB board (H) from the USB ports slots and guide pin (I) on the top assembly.
  • Page 17 Mainboard Removal Prerequisite: Battery Pack Removal 1. Remove three (3) screws (A) securing the left LCD hinge (Figure 1-19). Figure 1-19. Mainboard Removal 2. Lift the top assembly until it is fully open (Figure 1-20). Figure 1-20. Mainboard Removal Disassembly Procedures 1-15...
  • Page 18 3. Close the top assembly and lift the left LCD hinge until it is fully extended (Figure 1-21). Figure 1-21. Mainboard Removal 4. Disconnect the 20-pin USB board FFC from the mainboard connector (B) (Figure 1-22). 5. Disconnect the 50-pin USB board FFC from the mainboard connector (C) (Figure 1-22).
  • Page 19 11. Remove four (4) screws (I) securing the mainboard (Figure 1-22). Figure 1-22. Mainboard Removal CAUTION: USB board FFC (Flexible Flat Circuit), touchpad FFC, and keyboard FPC (Flexible Printed Circuit) can be damaged if removed while the mainboard connector is locked. 12.
  • Page 20 Figure 1-24. Mainboard IMPORTANT: Circuit boards >10 cm² have been highlighted with a yellow rectangle as shown in Figure 1-24. Remove the circuit board and follow local regulations for disposal. 1-18 Disassembly Procedures...
  • Page 21 LCD Module Removal Prerequisite: Battery Pack Removal 1. Remove six (6) screws securing the LCD hinges (Figure 1-25). Figure 1-25. LCD Module Removal 2. Lift the top assembly until it is fully open (Figure 1-26). Figure 1-26. LCD Module Removal Disassembly Procedures 1-19...
  • Page 22 3. Close the top assembly and lift both LCD hinges until they are fully extended (Figure 1-27). Figure 1-27. LCD Module Removal 4. Disconnect the 20-pin USB board FFC (A) from the mainboard and USB board connectors (Figure 1-28). 5. Disconnect the 50-pin USB board FFC (B) from the mainboard and USB board connectors (Figure 1-28).
  • Page 23 CAUTION: USB board FFC (Flexible Flat Circuit), touchpad FFC, and keyboard FPC (Flexible Printed Circuit) can be damaged if removed while the mainboard connector the USB board connector are locked. 8. Detach the tape (E) securing the cables (Figure 1-29). Figure 1-29.
  • Page 24 11. Open the top assembly again. Then remove the LCD module away from the top assembly (Figure 1-31). CAUTION: Make sure all cables are moved away from the device to avoid damage during removal. Figure 1-31. LCD Module Removal 1-22 Disassembly Procedures...
  • Page 25 LCD Bezel Removal Prerequisite: LCD Module Removal 1. Pry the LCD bezel from the upper side to release the latches (Figure 1-32). Figure 1-32. LCD Bezel Removal 2. Continue prying along the right side of the bezel (Figure 1-33). Figure 1-33. LCD Bezel Removal Disassembly Procedures 1-23...
  • Page 26 3. Continue prying along the left side of the bezel (Figure 1-34). Figure 1-34. LCD Bezel Removal 4. Continue prying along the bottom side of the bezel until all the latches have been released (Figure 1-35). Then remove the LCD bezel. Figure 1-35.
  • Page 27 LCD Panel Removal Prerequisite: LCD Bezel Removal 1. Pry slightly to access the double-sided mounting tape (A) underneath the LCD panel (B) and the LCD hinge. Then pull to detach the double-sided mounting tape. Repeat the same procedure to remove the double-sided mounting tape on another side of the LCD panel and the LCD hinge (Figure 1-36).
  • Page 28 2. Carefully turn the LCD panel over so that the display panel is facing down on a flat surface. Then detach the mylar tape (C) securing the eDP cable to the LCD panel (Figure 1-37). Figure 1-37. LCD Panel Removal 3.
  • Page 29 4. Disconnect the eDP cable from the LCD panel connector (E) (Figure 1-39). Then remove the LCD panel. Figure 1-39. LCD Panel Removal Disassembly Procedures 1-27...
  • Page 30 Top Assembly Removal (Keyboard Removal) Prerequisite: Ensure that the Speakers, Touchpad Module, G-Sensor Board, USB Board, Mainboard, and LCD Module have been disassembled prior removing the top assembly. NOTE: NOTE: The keyboard is included as part of the top assembly and can not be disassembled. In the event that the keyboard is damaged, replace the entire top assembly.

  • Page 31: Troubleshooting

    Troubleshooting This chapter shows you how to deal with common system problems. Read it before calling a technician if a problem occurs. Solutions to more serious problems require opening up the computer. Do not attempt to open the computer yourself; contact your dealer or authorized service center for assistance.
  • Page 32 What you need to do Step 1: Try less invasive steps If you can sign in to your Chromebook, try these steps first: 1. Turn your Chromebook off, then back on again. 2. If your Chromebook still has an error, reset to factory settings.
  • Page 33 Chromebook tablet: Press and hold the Volume Up, Volume Down, and Power  buttons for at least 10 seconds, then release them. 3. You'll see one of these messages: "Chrome OS is missing or damaged. Please insert a recovery USB stick or SD card.". ...
  • Page 34 "Please remove all connected devices and start recovery". First, remove anything that's connected to your Chromebook, such as a mouse, SD card or external hard drive. Then follow the steps to enter recovery mode. "The device you inserted does not contain Chrome OS". First, make sure that you inserted the USB drive or SD card that you used to create recovery media.

  • Page 35: Fru (Field Replaceable Unit) List

    FRU (Field Replaceable Unit) List Please contact your local service center to find out how to obtain the part or replace your device. FRU (Field Replaceable Unit) List 1-33...

  • Page 36: Exploded Diagrams

    Exploded Diagrams Figure 1-41. System Exploded Diagram Table 1-1. System Exploded Diagram Description Top Assembly Touchpad Module G-Sensor Board G-Sensor Board FFC USB Board FFC (20-pin) USB Board FFC (50-pin) 1-34 Exploded Diagrams...
  • Page 37 Table 1-1. System Exploded Diagram (Continued) Description USB Board Mainboard Acetate Tape Insulator Mylar Touchpad FFC Adhesive Tape Speakers Battery Pack Base Cover Exploded Diagrams 1-35...
  • Page 38 Figure 1-42. LCD Assembly Exploded Diagram Table 1-2. LCD Assembly Exploded Diagram Description LCD Bezel Camera Module Microphone Rubbers LCD Panel LCD Hinge L LCD Hinge R LCD Cover eDP Cable WLAN Antenna (MAIN+AUX) 1-36 Exploded Diagrams...

  • Page 39: Check For Updates Yourself

    Check for updates yourself 1. Turn on your Chromebook. 2. Connect your Chromebook to Wi-Fi. 3. At the bottom right, select the time. 4. Select Settings 5. At the bottom of the left panel, select About Chrome OS. 6. Under "Google Chrome OS", you'll find which version of the Chrome operating system your Chromebook uses.

  • Page 40: Factory Reset Your Chromebook

    Factory reset your Chromebook 1. Sign out of your Chromebook. 2. Press and hold Ctrl + Alt + Shift + r. 3. Select Restart. 4. In the box that appears, select Powerwash > Continue. 5. Follow the steps that appear and sign in with your Google Account. NOTE: NOTE: The account you sign in with after you reset your Chromebook will be the owner...

This manual is also suitable for:

Chromebook c934tChromebook cb314-3hChromebook cb314-3ht