Acer Travelmate 4260 Service Guide
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Chapter 255 BIOS Flash Utility The BIOS flash memory update is required for the following conditions: TNew versions of system programs TNew features or options TRestore a BIOS when it becomes corrupted. Use the Phlash utility to update the system BIOS flash ROM. NOTE: If you do not have a crisis recovery diskette at hand, then you should create a Crisis Recovery Diskette before you use the Phlash utility. NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you use the Phlash. NOTE: Please use the AC adaptor power supply when you run the Phlash utility. If the battery pack does not contain enough power to finish BIOS flash, you may not boot the system because the BIOS is not completely loaded. Fellow the steps below to run the Phlash: First, you have to create a crisis diskette. Follow the steps to create a crisis diskette. 1.Insert a floppy disk to the notebook under Windows mode. 2.Execute “wincris.exe” 3.Wait for few minutes. The process will completed automatically. After you have created crisis diskette, you can then recovery the fail system. 1.Insert the Crisis diskette to the computer. 2.Press Fn+Esc and power on the sytem. 3.The systme will execute the file automatically. Wait for few minutes the system will reboot as the entire process completed.
Chapter 357 This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. To disassemble the computer, you need the following tools: TWrist grounding strap and conductive mat for preventing electrostatic discharge TSmall Philips screw driver TPhilips screwdriver TPlastic flat head screw driver TTw e e z e r s NOTE: The screws for the different components vary in size. During the disassembly process, group the screws with the corresponding components to avoid mismatch when putting back the components. When you remove the stripe cover, please be careful not to scrape the cover. Chapter 3 Machine Disassembly and Replacement
58Chapter 3 General Information Before You Begin Before proceeding with the disassembly procedure, make sure that you do the following: 1.Turn off the power to the system and all peripherals. 2.Unplug the AC adapter and all power and signal cables from the system. 3.Remove the battery pack.
Chapter 359 Disassembly Procedure Flowchart The flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the system board, you must first remove the keyboard, then disassemble the inside assembly frame in that order. Start Thermal DoorHDD Door LCD Module Middle Cover HDD Bracket Keyboard Battery Pack F*2 D*5 F*1 B*4 C*2 LCD hinges to logic D*2 LCD hinges to logic C*2 on bottom side C*8 upper case assembly to lower case assembly on bottom side C*2 upper case assembly to lower case assembly on upper side Lower Case Assembly Modem BoardSwitch Board (for AS models) Upper Case Assembly Main Board H*4 Speaker Set ODD Module Thermal Module Lower Case F*2 F*1 F*2F*1 System FanMemory CPU B*1 D*1 HDD F*1 F*2 Media Board (for AS models)Touchpad Bracket F*1 TouchpadTouchpad FFC Mimi Cover F*1
60Chapter 3 Screw List ItemDescriptionPart Number A SCREW M2.5*3(NL) 86.TAVV5.001 B SCREW M2.5*6(NL) 86.TAVV5.002 C SCREW M2.5*10(NL) 86.TAVV5.003 D SCREW M2.5*15(NL) 86.TAVV5.004 E SCREW M2*2.2 86.TAVV5.005 F SCREW M2*3(NL) 86.TAVV5.006 G SCREW M2*4 86.TAVV5.007 H SCREW M3*4(NL) 86.TAVV5.008 I SCREW D-SUB 4#X40* 1/5-NI (NL) 86.TAVV5.009 LCD Module LCD Inverter LCD Panel Wireless Antenna Set LCD Bezel G*1 for 15 G*2 for 15.4 B*4 B*2 G*2 for 15.4 F*8 (4 on left; 4 on right) LCD Assembly LCD CableLCD Bracket Sets LCD
Chapter 361 Removing the Battery Pack 1.Slide the battery latch then remove the battery.
62Chapter 3 Removing the HDD Module/Memory/System Fan/Thermal Module/ CPU/ODD Module and LCD Module Removing the HDD Module 1.Remove the two screws fastening the HDD door. 2.Detach the HDD door from the notebook. 3.Pull the HDD module outwards to disconnect the HDD module from the main board. 4.Take out the HDD module carefully. Removing the Memory/System Fan/Thermal Module/CPU 1.Remove the six screws fastening the thermal door. (M2.5*15(NL) for red circle; M2*3(NL) for yellow circle) 2.Detach the thermal door from the notebook. 3.Pop out the memory then remove it 4.Use a tweezer to take out the fan cable as shown. 5.Disconnect the fan cable from the main board.
Chapter 363 6.Remove the two screws fastening the system fan. 7.Take out the system fan from the main unit. 8.Remove the four screws fastening the thermal module. 9.Then detach the thermal module carefully. 10.Use a flat-headed screwdriver to release the CPU lock (Turn anti-clockwise). 11 .Detach the CPU from the CPU socket carefully. 12.Tear off the tape fastening the antenna set. 13.Then remove the antenna protection cover.
64Chapter 3 14.Remove the screw holding the mini cover. 15.Detach the mini cover from the main unit. Removing the ODD Module 1.First, remove the screw fastening the ODD module as shown. 2.Push the ODD module outwards then remove it. Removing the LCD Module 1.Open the LCD module as shown (See the left and the middle picture). 2.Detach the middle cover from the main unit carefully. 3.Remove the screw fastening the keyboard. 4.Then turn over the keyboard as shown.