User manual ACER ASPIRE 5820TG

[. . . ] Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software. Acer is a registered trademark of Acer Corporation. Other brand and product names are trademarks and/or registered trademarks of their respective holders. III Conventions The following conventions are used in this manual: SCREEN MESSAGES NOTE Denotes actual messages that appear on screen. Gives bits and pieces of additional information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions. [. . . ] Remove the USB Board from the Lower Cover. 62 Chapter 3 Removing the Mainboard 1. Disconnect the LVDS cable and remove the cable from the cable channel. 4. Hold the adhesive strip in place on the Mainboard and remove the AC cable as shown. 6. Remove the single screw securing the Mainboard to the Lower Cover. Step Mainboard M2*4 Size 1 Quantity Screw Type 64 Chapter 3 8. Lift the Mainboard right side first and remove it from the Lower Cover. 9. Detach the adhesive strip holding the USB Board cable in place. 10. Disconnect the USB Board cable as shown. Chapter 3 65 Removing the RTC Battery IMPORTANT: Follow local regulations for disposal of all batteries. To replace the battery, solder the new battery to the connections shown. 66 Chapter 3 Removing the Thermal Module 1. Remove the four securing screws from the Thermal Module in numerical order from 4 to 1. 1 3 4 2 Step Thermal Module M2*4 Size 4 Quantity Screw Type Chapter 3 67 4. Lift the Thermal Module clear of the Mainboard. 68 Chapter 3 Removing the Speaker Module 1. Remove the two securing screws (one for each Speaker). Step Speaker Module M2*4 Size 2 Quantity Screw Type 3. Work down the left side as shown, then pry apart the bottom edge to remove the bezel. 5. Lift up the bezel and remove it from the LCD Module. Chapter 3 77 Removing the Camera Board 1. Remove the Camera Board from the LCD Module. 78 Chapter 3 Removing the LCD Panel 1. Remove the two securing screws from the LCD Panel. Step LCD Panel M2*4 Size 2 Quantity Screw Type 3. IMPORTANT: Do not remove the panel at this stage to avoid damaging the cables. Chapter 3 79 5. Lift the Microphone Module upward to detach the adhesive holding it in place. 7. Remove the LCD Panel from the LCD Module. 80 Chapter 3 Removing the LCD Brackets and FPC Cable 1. Carefully lift the adhesive tape securing the cable connector to the LCD Panel. 3. Hold the adhesive tape clear of the LCD Panel and disconnect the LCD cable as shown. 4. Remove the four securing screws (two each side) from the LCD Brackets. Step LCD Brackets M2*3 Size 4 Quantity Screw Type Chapter 3 81 5. Ensure that the correct bracket is used during reassembly. Left Bracket Right Bracket Step Hinge Covers M2*3 Size 2 Quantity Screw Type 6. Remove the Hinge Covers from the left and right brackets as shown. NOTE: If the LCD Brackets are replaced, ensure that the rubber cable connectors are removed from the faulty brackets and installed on the replacements. 82 Chapter 3 Removing the Antennas IMPORTANT: The LCD Module configuration differs depending on supported functions. [. . . ] Press F2 key to enter BIOS Setup menu. If there is no Password request, BIOS Password is cleared. NOTE: The steps are only for clearing BIOS Password (Supervisor Password and User Password). Chapter 5 147 BIOS Recovery by Crisis Disk BIOS Recovery Boot Block: BIOS Recovery Boot Block is a special block of BIOS. Users can enable this feature to restore the BIOS firmware to a successful one once the previous BIOS flashing process failed. BIOS Recovery Hotkey: The system provides a function hotkey: Fn+Esc, for enable BIOS Recovery process when system is powered on during BIOS POST. To use this function, it is strongly recommended to have the AC adapter and Battery present. [. . . ]