Acer eMachines eM250 Service Manual Download Page 92

Page: 92 / 194

Chapter 3

Remove the two screws securing the Hinge Covers to the brackets.

NOTE:

The LCD Brackets are not identical. Ensure that the correct bracket is used during reassembly.

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.

Step

Size

Quantity

Screw Type

Hinge Covers

M2*3

Left

Bracket

Right

Bracket

Summary of Contents for eMachines eM250

Page 1: ...eMachines eM250 Series Service Guide PRINTED IN TAIWAN Service guide files and updates are available on the ACER CSD web for more information please refer to http csd acer com tw...

Page 2: ...II Revision History Please refer to the table below for the updates made to this service guide Date Chapter Updates...

Page 3: ...expressed or implied with respect to the contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular purpose Any Acer Incorporated software described in...

Page 4: ...bits and pieces of additional information related to the current topic WARNING Alerts you to any damage that might result from doing or not doing specific actions CAUTION Gives precautionary measures...

Page 5: ...NOT be covered in this generic service guide In such cases please contact your regional offices or the responsible personnel channel to provide you with further technical details 2 Please note WHEN OR...

Page 6: ...VI...

Page 7: ...ash Utility 30 Remove HDD BIOS Password Utilities 31 Miscellaneous Utilities 33 Machine Disassembly and Replacement 37 Disassembly Requirements 37 Related Information 37 General Information 38 Pre dis...

Page 8: ...eplacing the Speaker Module 100 Replacing the Thermal Module 101 Replacing the Mainboard 102 Replacing the USB Board 104 Replacing the WLAN Board 105 Replacing the TouchPad FFC 106 Replacing the Bluet...

Page 9: ...er board 145 Card reader board 146 Clearing Password Check and BIOS Recovery 147 Clearing Password Check 147 BIOS Recovery by Crisis Disk 148 FRU Field Replaceable Unit List 149 eMachines eM250 Explod...

Page 10: ...X Table of Contents...

Page 11: ...nel with one soDIMM slot DDR2 533 667 MHz SDRAM memory interface design soDIMM slot Supports 512 MB 1 GB 2 GB soDIMMs for total system memory of up to 2 GB Display and graphics 10 1 WSVGA high brightn...

Page 12: ...cy control BIOS user supervisor HDD passwords Kensington lock slot Special keys and controls 84 key keyboard with 1 6 mm minimum key travel Touchpad pointing device with two buttons Power 24 4 W 2200...

Page 13: ...ENE KBC KB926 AMP INT Speaker 10 100 Ethernet AR8114A page 24 SDIO CONN MINI Card x2 PCI Express EMC1402 LCD Conn page 27 page 19 LVDS page 28 USB Port X1 SPI INT DMIC CONN HeadPhone MIC Jack RGB page...

Page 14: ...luetooth communication switch indicator Enables disables the Bluetooth function Indicates the status of Bluetooth communication only for certain models 5 Status indicators Light Emitting Diodes LED th...

Page 15: ...es the wireless function No Icon Item Description 1 Ethernet RJ 45 port Connects to an Ethernet 10 100 based network 2 Ventilation slots and cooling fan Enable the computer to stay cool even after pro...

Page 16: ...d Only one card can operate at any given time 2 USB 2 0 ports Connect to USB 2 0 devices e g USB mouse 3 DC in jack Connects to an AC adapter 4 Kensington lock slot Connects to a Kensington compatible...

Page 17: ...latch Releases the battery for removal 5 3G SIM card slot Accepts a 3G SIM card for 3G connectivity only for certain models Icon Function Description Bluetooth Indicates the status of Bluetooth commun...

Page 18: ...Pad keep it and your fingers dry and clean The TouchPad is sensitive to finger movement hence the lighter the touch the better the response Tapping too hard will not increase the TouchPad s responsive...

Page 19: ...in uppercase Num Lock Fn F11 When Num Lock is on the embedded keypad is in numeric mode The keys function as a calculator complete with the arithmetic operators and Use this mode when you need to do...

Page 20: ...nnected to a network domain M Minimizes all windows R Open the Run dialog box U Open Ease of Access Center BREAK Display the System Properties dialog box SHIFT M Restore minimized windows to the deskt...

Page 21: ...F3 Acer ePower Management Launches Acer ePower Management in Acer Empowering Technology Fn F4 Sleep Puts the computer in Sleep mode Fn F5 Display toggle Switches display output between the display scr...

Page 22: ...Hold Alt Gr and then press the 5 key at the upper center of the keyboard NOTE Some fonts and software do not support the Euro symbol See www microsoft com typography faq faq12 htm for more information...

Page 23: ...ront side bus FSB 2 Threads support On die 512 kB 8 way L2 cache Support for IA 32 bit architecture Intel Streaming SIMD Extensions 2 and 3 Intel SSE2 and Intel SSE3 support and Supplemental Streaming...

Page 24: ...160 250GB and above 5400 rpm SATA connector BTO Item Specification Vendor Model Name Seagate ST9160310AS Seagate ST9250827AS Seagate ST9250315AS HGST L9A300 HTS543225 HTS543216 WD WD2500BEVT WD1600BEV...

Page 25: ...OS vendor InSyde BIOS Version v0 10 BIOS ROM type Flash BIOS ROM size 1 MB Features Support ISIPP Support Acer UI Support multi boot Suspend to RAM S3 Disk S4 Various hot keys for system control Suppo...

Page 26: ...pport independent 44 1k 48k 96k 192kHz sample rate Two independent SPDIF outputs support 16 20 24 bit format and 44 1k 48k 88 2k 96k 192kHz rate Supports line level mono output Supports analog PCBEEP...

Page 27: ...na combo wireless 3G on top side of LCD Item Specification Vendor and model Suyin Camera Rosa Liteon Camera Lily Type 0 3M LDV Item Specification Features 3G card in mini PCI card size Control by USB...

Page 28: ...18 Chapter 1...

Page 29: ...boot device without entering BIOS SETUP Utility Navigating the BIOS Utility There are six menu options Information Main Advanced Security Power Boot and Exit Follow these instructions To choose a men...

Page 30: ...anufacturer of this system UUID Universally Unique Identifier UUID is an identifier standard used in software construction standardized by the Open Software Foundation OSF as part of the Distributed C...

Page 31: ...om LAN remote server Option Enabled or Disabled F12 Boot Menu Enables disables Boot Menu during POST Option Enabled or Enabled D2D Recovery Enables disables D2D Recovery function The function allows t...

Page 32: ...s Enter to set the user password When user password is set this password protects the BIOS Setup Utility from unauthorized access The user can enter Setup menu only and does not have right to change t...

Page 33: ...er to Set 4 If desired you can opt to enable the Password on boot parameter 5 When you are done press F10 to save the changes and exit the BIOS Setup Utility Removing a Password Follow these steps 1 U...

Page 34: ...When you are done press F10 to save the changes and exit the BIOS Setup Utility If the verification is OK the screen will display as following The password setting is complete after the user presses E...

Page 35: ...he list Press Esc to escape the menu F1 ESC Help Exit Select Item Select Menu Change Values Select SubMenu Enter F9 F10 Setup Default Save and Exit Boot priority order 1 IDE0 WDC WD5000BEVT 22ZAT0 2 I...

Page 36: ...es for all SETUP item Discard Changes Load previous values from CMOS for all SETUP items Save Changes Save Setup Data to CMOS Item Specific Help Exit System Setup and save your changes to CMOS F1 ESC...

Page 37: ...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 I...

Page 38: ...ecific Help Use or to select a device then press F5 to move it down the list or F6 to move it up the list Press Esc to escape the menu F1 ESC Help Exit Select Item Select Menu Change Values Select Sub...

Page 39: ...Chapter 2 29 NOTE If the AC power is not connected the following message displays Plug in the AC power to continue 5 Flash is complete when the message Flash programming complete displays...

Page 40: ...m the following steps to use the WinFlash Utility 1 Double click the WinFlash executable 2 Click OK to begin the update A progress screen displays 3 When the process is complete close all programs and...

Page 41: ...error is displayed select the Enter Unlock Password option on the screen 2 An Encode key is generated for unlocking utilities Note down this key 3 Execute the UnlockHD EXE file to create the unlock co...

Page 42: ...ument to short the RTC_RST jumper as shown below Cleaning BIOS Passwords To clean the User or Supervisor passwords perform the following steps 1 From a DOS prompt execute clnpwd exe 2 Press 1 or 2 to...

Page 43: ...to be used in the DMI pool for hardware management When the BIOS displays Verifying DMI pool data it is checking the table correlates with the hardware before sending to the operating system Windows...

Page 44: ...EEPROM Input dmitools wp Acer Example 3 Write Serial Number to EEPROM Input dmitools ws 01234567890123456789 Example 4 Write UUID to EEPROM Create UUID from Intel WFM20 pdf Input dmitools wu Example 5...

Page 45: ...Chapter 2 35 3 Execute MAC BAT to write MAC information to eeprom...

Page 46: ...36 Chapter 2...

Page 47: ...wdriver Plastic tweezers 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...

Page 48: ...ents disassembly Main unit disassembly LCD module disassembly The flowcharts provided in the succeeding disassembly sections illustrate the entire disassembly sequence Observe the order of the sequenc...

Page 49: ...NOTE Items enclosed with broken lines are optional and may not be present Screw List Step Screw Quantity Part No Lower Covers M2 4 4 86 S6802 001 HDD Module M2 4 1 86 S6802 001 HDD Carrier M3 3 4 86 S...

Page 50: ...Battery Pack 1 Turn the computer over 2 Slide the battery lock unlock latch to the unlock position 3 Slide and hold the battery release latch to the release position 1 then slide out the battery pack...

Page 51: ...41 Removing the Lower Covers 1 See Removing the Battery Pack on page 40 2 Remove the four from the HDD Memory and 3G Covers 3 Lift the HDD cover up to remove Step Size Quantity Screw Type Lower Cover...

Page 52: ...42 Chapter 3 4 Lift the Memory cover up to remove 5 Lift the 3G cover up to remove...

Page 53: ...1 See Removing the Lower Covers on page 41 2 Remove the single screw securing the HDD Module in place 3 Slide the HDD in the direction of the arrow to disconnect the HDD from the interface connector...

Page 54: ...ay NOTE To prevent damage to device avoid pressing down on it or placing heavy objects on top of it 5 Remove the four screws two each side securing the hard disk to the carrier 6 Remove the HDD from t...

Page 55: ...Chapter 3 45 Removing the DIMM Module 1 See Removing the Lower Covers on page 41 2 Push out the release latches on both sides of the DIMM socket to release the DIMM module 3 Remove the DIMM module...

Page 56: ...g the Lower Covers on page 41 2 Disconnect the 3G Antenna cables from the 3G Module IMPORTANT The Blue cable attaches to the MAIN terminal and the Yellow cable attaches to the AUX terminal 3 Move the...

Page 57: ...Chapter 3 47 4 Detach the 3G Module from the socket NOTE When reattaching the antennas ensure the cables are tucked into the chassis to prevent damage...

Page 58: ...Step Screw Quantity Part No Upper Cover M2 3 3 86 S6802 002 M2 4 7 86 S6802 001 M2 12 1 86 S6802 008 M2 4 5 86 S6802 001 Power Board M2 3 1 86 S6802 003 WLAN Board M2 3 1 86 S6802 003 USB Board M2 4 1...

Page 59: ...he full extent 3 Unlock the single securing latch above the F8 key by pressing down with plastic tweezers IMPORTANT The use of metal tools may damage the outer casing Use plastic tools where available...

Page 60: ...50 Chapter 3 6 Disconnect the FFC and remove the Keyboard...

Page 61: ...9 2 Turn the computer over Remove the eleven securing screws 3 Turn the computer over and disconnect the following cables from the Mainboard Step Size Quantity Screw Type Upper Cover red callouts M2 3...

Page 62: ...52 Chapter 3 Release the locking latch on A as shown Disconnect A from the Mainboard Release the locking latch on B as shown Disconnect B from the Mainboard Disconnect C as shown...

Page 63: ...isassembling the panel or covers take care to dislodge the cables from the base to prevent damage 5 Remove the Hinge Covers as shown NOTE The Hinge Covers are not identical the right side cover has a...

Page 64: ...54 Chapter 3 7 Lift the left side of the Upper Cover away from the Lower Cover 8 Lift the Upper Cover clear of the Lower Cover...

Page 65: ...emoving the Upper Cover on page 51 2 Lift the Power Board FFC to detach the adhesive securing it in place 3 Turn the Upper Cover over and remove the single screw securing the Power Board in place Step...

Page 66: ...4 Slide the Power Board to the right to disengage the locating pin 5 Lift the mylar sheet away from the Upper Cover to allow the Power Board FFC to pass through the cover 6 Remove the board from the...

Page 67: ...h Module cable from the cable channel Ensure that the cable is free from all cable clips 3 Lift the Bluetooth Module left side first to remove it from the Upper Cover NOTE The Bluetooth Module is held...

Page 68: ...oved individually To replace the TouchPad Board replace the entire Upper Cover 1 See Removing the Upper Cover on page 51 2 Hold the mylar sheet in place and lift the FFC away from the Upper Cover 3 Op...

Page 69: ...er on page 51 2 Disconnect the Antenna cables from the WLAN Board NOTE Cable placement is Black to the MAIN terminal left and White to the AUX terminal right 3 Remove the single screw securing the WLA...

Page 70: ...60 Chapter 3 4 Remove the WLAN Board from the Mainboard...

Page 71: ...screw securing the USB Board to the Lower Cover 3 Lift the USB Board left side first to free the I O ports from the Lower Cover IMPORTANT Do not fully remove the USB Board from the cover the USB Boar...

Page 72: ...Chapter 3 4 Turn the board over to expose the cable connector Detach the adhesive strip holding the cable in place 5 Disconnect the cable from the USB Board 6 Remove the USB Board from the Lower Cove...

Page 73: ...he Mainboard 1 See Removing the USB Board on page 61 2 Disconnect the LVDS AC and Speaker cables from the Mainboard 3 Disconnect the LVDS cable and remove the cable from the cable channel 4 Disconnect...

Page 74: ...hesive strip in place on the Mainboard and remove the AC cable as shown 6 Disconnect the Speaker cable as shown 7 Remove the single screw securing the Mainboard to the Lower Cover Step Size Quantity S...

Page 75: ...board right side first and remove it from the Lower Cover 9 Turn the Mainboard CPU side up and place it on a clean surface Detach the adhesive strip holding the USB Board cable in place 10 Disconnect...

Page 76: ...Battery IMPORTANT Follow local regulations for disposal of all batteries 1 See Removing the Mainboard on page 63 2 The RTC Battery is soldered to the Mainboard To replace the battery solder the new ba...

Page 77: ...le 1 See Removing the Mainboard on page 63 2 Disconnect the Fan cable from the Mainboard 3 Remove the four securing screws from the Thermal Module in numerical order from 4 to 1 Step Size Quantity Scr...

Page 78: ...68 Chapter 3 4 Lift the Thermal Module clear of the Mainboard...

Page 79: ...aker Module 1 See Removing the Mainboard on page 63 2 Remove the two securing screws one for each Speaker 3 Lift the left Speaker out of the Lower Cover rear edge first as shown Step Size Quantity Scr...

Page 80: ...ve the Speaker cable from the cable channel Ensure that the cable is free from all cable clips 5 Lift the right Speaker out of the Lower Cover rear edge first as shown 6 Lift the Speaker Module clear...

Page 81: ...ing procedure outlines the steps to remove the LCD Module on models with 3G functionality Models that do not support 3G do not require the removal of the yellow and blue Antenna cables detailed below...

Page 82: ...72 Chapter 3 4 Remove the adhesive strips securing the yellow 3G cable in place 5 Remove the cable from the cable clips 6 Remove the blue 3G cable from the cable clips as shown...

Page 83: ...crews from the LCD brackets IMPORTANT Ensure all cables are clear of the lower cover before removing the LCD module 8 Grasp the module with both hands and lift upwards to remove the LCD Module Step Si...

Page 84: ...emoving the Mainboard on page 63 2 The AC Power cable runs as shown along the Lower Cover 3 Remove the AC Power cable from the cable channel Ensure that the cable is free from all cable clips 4 Lift t...

Page 85: ...uct color or configuration The following procedure outlines the steps to disassemble the LCD Module on models with 3G functionality Models that do not support 3G do not require the removal of the yell...

Page 86: ...NOTE The two center screw caps at the top of the bezel are for protection only 3 Starting from the inside right edge pry the bezel away from the panel Continue moving along the top prying the bezel aw...

Page 87: ...Chapter 3 77 4 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...

Page 88: ...78 Chapter 3 Removing the Camera Board 1 See Removing the LCD Bezel on page 76 2 Disconnect the cable from the Camera Board as shown 3 Remove the Camera Board from the LCD Module...

Page 89: ...two securing screws from the LCD Panel 3 Remove the LVDS cable from the cable channel in the bracket 4 Lift the panel as shown to expose the LVDS and Microphone cables IMPORTANT Do not remove the pane...

Page 90: ...e Microphone cable from the cable channel as shown Ensure that the cable is free from all cable clips 6 Lift the Microphone Module upward to detach the adhesive holding it in place 7 Remove the LCD Pa...

Page 91: ...el over on a clean surface 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...

Page 92: ...correct bracket is used during reassembly 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...

Page 93: ...he method is the same For 3G enabled models the LCD Module appears as follows when the LCD Panel is removed Blue callout Main 3G Antenna cable Yellow callout Aux 3G Antenna cable Red callout Main and...

Page 94: ...able from the cable channel 3 Carefully pry up the Antenna pad as shown and remove the pad from the LCD Module IMPORTANT A strong adhesive is used to secure the Antenna pad in place Take care not to b...

Page 95: ...re not to bend the pad during removal 6 Lift all the adhesive strips securing the white and black WLAN Antenna cables in place and remove the cable from the cable channel 7 Carefully pry up the Antenn...

Page 96: ...the WLAN Antenna pads in the LCD Module and press down to secure the adhesive in place 2 Run the cables along the edges of the LCD Module using all the available adhesive securing strips 3 Remove the...

Page 97: ...available adhesive securing strips 5 Remove the protective covering on the Auxiliary 3G Antenna pad Place the pad in the LCD Module and press down to secure the adhesive in place 6 Run the cables alon...

Page 98: ...88 Chapter 3 NOTE The LCD Module appears as shown when the Antennas are replaced correctly 3G and WLAN Models WLAN Only Models...

Page 99: ...ed from the faulty brackets and installed on the replacements 1 Replace the Hinge Covers on the left and right LCD Brackets IMPORTANT The left and right Hinge Covers are not identical the left cover h...

Page 100: ...e not identical Ensure that the correct bracket is used during reassembly 3 replace the four screws two each side securing the LCD Brackets to the LCD Panel 4 Insert the LCD Cable into the panel conne...

Page 101: ...Chapter 3 91 IMPORTANT Ensure that the LCD Cable runs as shown to avoid trapping when the Bezel is replaced...

Page 102: ...cure the adhesive holding it in place 2 Run the Microphone cable down the side of the LCD Module as shown using all available adhesive and cable clips 3 Replace the LCD Panel top edge first as shown L...

Page 103: ...es and Antennas pass through the hinge wells as shown 5 Replace the two securing screws 1 Align the locating slots on the Camera Module with the locating pins on the LCD Module 2 Place the Camera Modu...

Page 104: ...94 Chapter 3 3 Connect the Camera cable as shown...

Page 105: ...ottom edge first as shown Ensure that the cables are not trapped between the bezel and LCD Module and pass through the hinge wells 2 Press down around the edges of the bezel until there are no gaps be...

Page 106: ...e Lower Cover as shown Press down to secure it in place 2 Place the cable bundle in to the Lower Cover ensuring that the bundle is held in place under the securing clip 3 Run the cable around the HDD...

Page 107: ...r 3 97 Replacing the LCD Module 1 Place the LCD Module on the Lower Cover and secure it in place with the four screws 2 Run the blue 3G cable along the cable channel as shown using all available cable...

Page 108: ...shown in to the 3G bay using all available cable clips 4 Run the yellow 3G cable along the cable channel as shown using all available cable clips 5 Run the cable as shown in to the 3G bay and secure i...

Page 109: ...G Antenna using the same cable channel and clips 7 The Lower Cover appears as follows when all the LCD cables and Antennas are correctly placed Blue callout Main 3G Antenna cable Yellow callout Aux 3G...

Page 110: ...ge first to engage the securing clip 2 Run the speaker cable behind the screw column and along the front edge of the Lower Cover as shown Ensure that the cable is secured using all the available cable...

Page 111: ...ing thermal pads are approved for use Eapus XR PE 4 Replace the two securing screws one in each Speaker 1 Align the screw holes on the Thermal Module and Mainboard and replace the module 2 Replace the...

Page 112: ...Turn the Mainboard over and insert it into the Lower Cover left side first to ensure the I O ports pass through the casing 4 Replace the single screw securing the Mainboard to the Lower Cover 5 Connec...

Page 113: ...Chapter 3 103 7 Run the LVDS cable along the cable channel as shown 8 Connect the LVDS cable to the Mainboard...

Page 114: ...ard 2 Replace the adhesive securing the USB cable in place 3 Turn the USB Board over and insert it in to the Lower Cover right side first Ensure that the USB ports are accessible through the casing IM...

Page 115: ...over and replace the single securing screw 1 Insert the WLAN Board in to the Mainboard socket 2 Replace the single securing screw 3 Connect the WLAN Antennas to the WLAN Board terminals NOTE Cable pla...

Page 116: ...the TouchPad connector 2 Close the locking latch to secure the FFC in place 3 Press the FFC down on the Upper Cover to secure it in place 1 Connect the Bluetooth cable to the Bluetooth Module 2 Place...

Page 117: ...the Bluetooth Module down to secure it in place NOTE The Bluetooth Module is held in place by a single screw M2 3 on some models 4 Run the Bluetooth cable along the cable channel as shown using all a...

Page 118: ...lar cover as shown 2 Pull the FFC through the Upper Cover until none of the FFC is visible from the underside 3 Place the Power Board in the Upper Cover and slide it to the left to engage the securing...

Page 119: ...Chapter 3 109 5 Turn the cover over and run the FFC along the Upper Cover and press down to secure the adhesive in place...

Page 120: ...ue pressing down both sides of the Upper Cover and along the bottom edge to snap the covers together NOTE Ensure there are no gaps between the Upper and Lower Covers 4 Replace the Hinge Covers as show...

Page 121: ...Chapter 3 111 5 Replace the five securing screws in the Upper Cover 6 Reconnect the following cables to the Mainboard Connect A to the Mainboard Secure the locking latch on A as shown B A C...

Page 122: ...ure the locking latch on B as shown Connect C as shown 7 Turn the computer over and replace the eleven securing screws as shown NOTE Ensure the correct screw type is used for each hole M2 3 red callou...

Page 123: ...the FFC locking latch as shown 3 Turn the Keyboard over and slide it in the direction of the arrow IMPORTANT Ensure the four securing pins are correctly located 4 Press down around the edges of the K...

Page 124: ...114 Chapter 3 3 Connect the two Antenna cables to the 3G Module IMPORTANT The Blue cable attaches to the MAIN terminal and the Yellow cable attaches to the AUX terminal...

Page 125: ...to the DIMM slot 2 Press the module down to complete the installation 1 Insert the HDD in to the HDD Carrier and secure the Carrier to the HDD by replacing the four screws 2 Insert the HDD Module int...

Page 126: ...116 Chapter 3 4 Replace the single screw to secure the HDD in place...

Page 127: ...down around the perimeter to snap it in to place 2 Replace the Memory Cover and press down around the perimeter to snap it in to place 3 Replace the HDD Cover and press down around the perimeter to s...

Page 128: ...3 Replacing the Battery Pack 1 Slide and hold the battery release latch to the release position 1 then insert the battery pack in to the main unit 2 2 Slide the battery lock unlock latch to the lock p...

Page 129: ...able with the verified symptom to determine which page to go to 4 If the Issue is still not resolved see Online Support Information on page 181 Symptoms Verified Go To Power On Issue Page 120 No Displ...

Page 130: ...let 2 Remove any extension cables between the computer and the outlet 3 Remove any surge protectors between the computer and the electrical outlet Plug the computer directly into a known good electric...

Page 131: ...tton for 10 seconds Reconnect the power and reboot the computer 4 Connect an external monitor to the computer and switch between the internal display and the external display is by pressing Fn F5 on t...

Page 132: ...e Resolution slider to the desired resolution e Click Apply and check the display Readjust if necessary 6 Roll back the video driver to the previous version if updated 7 Remove and reinstall the video...

Page 133: ...efective FRUs Built In Keyboard Failure If the built in Keyboard fails perform the following actions one at a time to correct the problem Do not replace non defective FRUs Start CheckLCD module Swap L...

Page 134: ...esn t work perform the following actions one at a time to correct the problem Do not replace non defective FRUs Start CheckM B T P FFC Re assemble the T P FFC to M B OK NG Check Logic Upper OK Swap Re...

Page 135: ...iver to the previous version if updated recently 4 Remove and reinstall the audio driver 5 Ensure that all volume controls are set mid range a Click the volume icon on the taskbar and drag the slider...

Page 136: ...e system and file settings from a known good date using System Restore If the issue is not fixed repeat the preceding steps and select an earlier time and date 10 Reinstall the Operating System 11 If...

Page 137: ...t Show Disabled Devices clear by default 3 The microphone appears on the Recording tab 4 Right click on the microphone and select Enable 5 Select the microphone then click Properties Select the Levels...

Page 138: ...o locate and resolve issues with the computer i When complete click Finish If an issue is discovered follow the onscreen information to resolve the problem 4 Run the Windows Memory Diagnostic Tool For...

Page 139: ...f the rightside USB port fails perform the following actions one at a time to correct the problem Do not replace non defective FRUs Start CheckIO B to M B CONN Re assemble the IO B CONN to M B OK NG C...

Page 140: ...test fails perform the following actions one at a time to correct the problem Do not replace non defective FRUs Start CheckWL antennato WLcard Re assemble the antenna to WLcard OK NG Check antenna OK...

Page 141: ...ils perform the following actions one at a time to correct the problem Do not replace non defective FRUs Start Check3G antennato 3G card Re assemble the antenna to 3G card OK NG Check antenna OK Swap...

Page 142: ...he switches fail perform the following actions one at a time to correct the problem Do not replace non defective FRUs Start CheckIO B to M B FFC Re assemble the IO B FFC to M B OK NG CheckIO B and FFC...

Page 143: ...problem Do not replace non defective FRUs Power Button Failure If the Power Button fails perform the following actions one at a time to correct the problem Do not replace non defective FRUs START Fan...

Page 144: ...e is not fixed repeat the preceding steps and select an earlier time and date 9 Run the Event Viewer to check the events log for errors For more information see Windows Help and Support 10 Roll back t...

Page 145: ...er a short circuit is suspected or whether the system is inoperative Follow these procedures to isolate the failing FRU do not isolate non defective FRU NOTE Verify that all attached devices are suppo...

Page 146: ...Discharge If any problems such as incorrect CMOS settings the CMOS data can be cleared by short circuiting the CMOS J6 jumpers Open the 3G bay door and short circuit the jumpers near the 3G connector...

Page 147: ...common CAS latency between the DIMMS and the MCH 0x09 Determine the memory frequency and CAS latency to program 0x10 Determine the smallest common TRAS for all DIMMs 0x11 Determine the smallest commo...

Page 148: ...re ECC init 0x28 Report status code of every memory range 0x50 Get the root bridge handle 0x51 Notify pci bus driver starts to program the resource 0x58 Reset the host controller 0x5A IdeBus begin ini...

Page 149: ...0xAA PEI_PLATFORM_STAGE2 0xAC PEI_SB_SMBUS_ARP_DISABLED 0x0F PEI_HOST_TO_SYSTEM 0x40 PEI_MEMORY_INIT 0x41 PEI_S3_RESUME 0xAD PEI_CLOCK_GEN 0xAB PEI_OP_PRESENCE 0xAE PEI_FIND_FV 0x16 PEI_H2O_DEBUG_IO 0...

Page 150: ..._BUS 0xE9 ISA_SERIAL 0xED BUS_PCI_UNDI 0xEC PCI_BUS 0xF6 BOOT_PRIORITY 0xF7 FVB_SERVICE 0xF8 ACPI_PLATFORM 0xFB PCI_HOT_PLUG 0xFC DXE_PLATFORM 0xFD PLATFORM_IDE 0x97 SMBIOS 0x98 MEMORY_SUB_CLASS 0x99...

Page 151: ...NCH 0x9E HII_DATABASE 0x9F OEM_SETUP_BROWSER 0x8C OEM_BADGING_SUPPORT 0xF9 SETUP_MOUSE 0x72 MONITOR_KEY 0xBD PLATFORM_BDS 0x8D RESERVED 0x8E RESERVED 0x8F RESERVED 0xA0 DXE_H2O_DEBUG_IO 0xB3 DXE_TPM_T...

Page 152: ...CCESS 0xDE SMM_CONTROL 0xCC SMM_BASE 0xD2 SMM_RUNTIME 0xDF SB_SMM_DISPATCH 0xD0 SMM_THUNK 0xCA SMM_ACPI_SW_CHILD 0xFE SMM_PLATFORM 0xD8 SMM_GMCH_MBI 0x90 SMM_FW_BLOCK_SERVICE 0x91 SMM_VARIABLE 0x92 SM...

Page 153: ...button JP12 Internal keyboard connector SW3 Right button JP20 Speaker connector SW4 Bluetooth button JP11 Internal track pad connector LED2 Battery LED JLVDS1 LCD connector LED3 Media LED JBT1 Bluetoo...

Page 154: ...et JMINI2 MINI card 3G socket JMINI1 MINI card wireless socket JP13 Fan connector JCRT1 CRT connector JP5 SIM card connector JRJ45 RJ45 LAN connector JP7 To Cardreader B connector JUSB1 External USB c...

Page 155: ...Chapter 5 145 Power board Item Description SW1 Power button LED1 Power LED...

Page 156: ...r board Item Description Item Description JUSB1 External USB connector JP2 To M B connector JUSB2 External USB connector SW1 3G WLAN switch JREAD1 Card reader connector LED2 3G WWAN LED JSATA1 HDD con...

Page 157: ...bypass the password check users need to short the HW Gap to clear the password by the following steps Power Off the system and remove HDD AC and Battery from the machine Open the back cover of the ma...

Page 158: ...isis Diskette should be prepared ready in hand The Crisis Diskette could be made by executing the Crisis Disk program in another system with Windows XP OS Follow the steps below 1 Plug in the USB disk...

Page 159: ...reasons a part number change is made it will not be noted on the printed Service Guide For ACER AUTHORIZED SERVICE PROVIDERS your Acer office may have a DIFFERENT part number code from those given in...

Page 160: ...ription Part Number 1 Left Hinge Cover 42 S6802 002 2 Upper Cover 60 N9702 001 3 Mainboard MB S7206 001 4 CPU Fan 60 S6802 006 5 Thermal Module 6 WLAN Card NI 23600 048 7 Lower Cover 60 S6902 001 8 Ri...

Page 161: ...Chapter 6 151 Rear Assembly Item Description Part Number 1 Memory Door 42 S6802 003 2 3G Door 42 S6802 005 3 HDD Door 42 S6802 004 4 Lower Cover 60 S6902 001 1 2 3 4...

Page 162: ...152 Chapter 6 Upper Cover Assembly Item Description Part Number 1 TouchPad FFC 50 S6802 002 2 Upper Cover 60 N9702 001 3 Power Board 55 S6802 001 1 2 3...

Page 163: ...Chapter 6 153 Lower Cover Assembly Item Description Part Number 1 Speaker Module 23 S6802 001 2 Lower Cover 60 S6902 001 3 AC Power Jack and Cable 50 S6802 003 1 2 3...

Page 164: ...LK 10105 001 3 Camera Module 57 S6802 001 4 LVDS and Microphone Cable 50 S6702 001 5 Left LCD Bracket 60 S6802 005 6 Auxiliary 3G Antenna 50 S7202 002 7 Main 3G Antenna 50 S7202 002 8 Right LCD Brack...

Page 165: ...Ion 3S1P PANASONIC 3 cell 2200mAh Main COMMON Macles BT 00305 006 Battery PANASONIC UM 2008AW Li Ion 3S1P PANASONIC 3 cell 2200mAh Main COMMON Macles White BT 00307 001 Battery SIMPLO UM 2008A Li Ion...

Page 166: ...001 BLUE TOOTH CABLE 50 S6802 002 T P FFC 50 S6802 003 DC IN CABLE 30W 50 S6802 004 IO BOARD CABLE Case Cover Bracket Assembly 60 N9702 001 UPPER CASE ASSY FOR W BT INCL TP BT MYLAR BLK eMachines 60 N...

Page 167: ...W C60F Disk imbalance criteria 0 014g cm KH 16008 022 HDD WD 2 5 5400rpm 160GB WD1600BEVT 22ZCTO ML160 SATA LF F W 11 01A11 KH 16008 027 HDD WD 2 5 5400rpm 160GB WD1600BEVT 22A23T0 WD ML320S SATA 8MB...

Page 168: ...tandard 85KS Black German KB INT00 533 Keyboard 8KB FV1 Black Macles Internal Standard 84KS Black Greek KB INT00 532 Keyboard 8KB FV1 Black Macles Internal Standard 85KS Black Hungarian KB INT00 529 K...

Page 169: ...6 0 065um KN 1GB0B 01 6 Memory SAMSUNG SO DIMM DDRII 667 1GB M470T2864QZ3 CE6 LF KN 1GB0B 02 7 Memory SAMSUNG SO DIMM DDRII 667 1GB M470T2864EH3 CE6 LF 64 16 0 055um KN 1GB0G 02 2 Memory HYNIX SO DIMM...

Page 170: ...nit 8ms 500 1 LK 10106 001 LED LCD SAMSUNG 10 1 WSVGA Glare LTN101NT02 A01 LF 200nit 16ms 400 1 LK 10106 004 LED LCD SAMSUNG 10 1 WSVGA Glare LTN101NT02 A04 LF 200nit 16ms 400 1 LK 10108 001 LED LCD L...

Page 171: ...02 HINGE CAP MYLAR L BLK eMachines 47 S6802 001 LCD SCREW PAD BLACK CATEGORY Acer Description Acer PN Screw SCREW M1 98D 4 0L K 4 6D 0 8T ZK 86 S6802 001 SCREW M2D 2 5L K 6 5D ZK NL 86 S6802 002 SCREW...

Page 172: ...Appendix A 164 Model Definition and Configuration Appendix A...

Page 173: ...970 D 004 eM250 01G16i SNW7ST32INeTIN1 UMACks 1 1G 160 6L2 2 5R CBSD_bg_0 3D_GEk_ES61 SO1GBII6 N160GB5 4KS AAP India LU N970 D 003 eM250 01G16i SNW7ST32INeTIN1 UMACks 1 1G 160 3L2 2 5R CBSD_bg_0 3D_GE...

Page 174: ...970 8 004 eM250 01G16i EM W7ST32EMeTDZ1 UMACks 1 1G 160 3L2 2 5R CBSD_bg_0 3D_GEk_ES81 SO1GBII6 N160GB5 4KS EME A South Africa LX N970 8 003 eM250 01G16i EM W7ST32EMeTZA2 UMACks 1 1G 160 3L2 2 5R CBSD...

Page 175: ...ZA2 UMACks 1 1G 160 3L2 2 5R CBSD_bg_0 3D_GEk_ES61 SO1GBII6 N160GB5 4KS EME A Serbia Macedo nia LX N970 B 030 eM250 01G16i EM AOXPHeTCS1 UMACks 1 1G 160 3L2 2 5R CBSD_bg_0 3D_GEk_SL11 SO1GBII6 N160GB5...

Page 176: ...IT1 UMACks 1 1G 160 3L2 2 5R CBSD_bg_0 3D_GEk_IT11 SO1GBII6 N160GB5 4KS EME A Eastern Europe LX N970 D 038 eM250 01G16i SNW7ST32eTEU7 UMACks 1 1G 160 3L2 2 5R CBSD_bg_0 3D_GEk_SL11 SO1GBII6 N160GB5 4K...

Page 177: ...t LX N970 D 012 eM250 01G16i SNW7ST32EMeTME3 UMACks 1 1G 160 3L2 2 5R CBSD_bg_0 3D_GEk_ES81 SO1GBII6 N160GB5 4KS EME A Turkey LX N970 D 011 eM250 01G16i SNW7ST32EMeTTR1 UMACks 1 1G 160 3L2 2 5R CBSD_b...

Page 178: ...O1GBII6 N250GB5 4KS AAP India LU N970 D 005 eM250 01G25i SNW7ST32INeTIN1 UMACks 1 1G 250 3L2 2 5R CBSD_bg_0 3D_GEk_ES61 SO1GBII6 N250GB5 4KS EME A Switzerl and LU N970 D 001 eM250 01G25i SNW7ST32eTCH1...

Page 179: ..._bg_0 3D_GEk_EN61 SO2GBII6 N160GB5 4KS PA ACLA Spanish LX N970 C 012 eM250 02G16i LINPUSeEA1 UMACks 1 2G 160 3L2 2 5R CBSD_bg_0 3D_GEk_EN61 SO2GBII6 N160GB5 4KS PA ACLA Spanish LX N970 C 013 eM250 02G...

Page 180: ...Appendix A 172...

Page 181: ...re tested under Windows 7 with backwards compatibility to Windows XP Refer to the following lists for components adapter cards and peripherals which have passed these tests Regarding configuration com...

Page 182: ...001 Audio Codec Realtek ALC272X Realtek Audio Codec ALC272X LZ 21000 045 Battery SANYO 3CELL2 2 Battery SANYO UM 2008A Li Ion 3S1P SANYO 3 cell 2200mAh Main COMMON Macles BT 00303 008 SANYO 3CELL2 2...

Page 183: ...Main COMMON black BT 00604 033 SONY 6CELL2 6 Battery SONY UM 2008BW Li Ion 3S2P SONY 6 cell 5200mAh Main COMMON white BT 00604 034 SIMPLO 6CELL2 2 Battery SIMPLO UM 2008A Li Ion 3S2P PANASONIC 6 cell...

Page 184: ...tandard KB 00000 021 LAN Atheros AR8114 Atheros AR8114 AR8114 NI 22400 040 LCD AUO NLED10 1 WSVGAG LED LCD AUO 10 1 WSVGA Glare B101AW03 V0 LF 200nit 8ms 500 1 LK 10105 001 SAMSUNG NLED10 1 WSVGAG LED...

Page 185: ...864HDY 667G1 LF 64 16 0 065um KN 1GB04 010 ELPIDA SO1GBII6 Memory ELPIDA SO DIMM DDRII 667 1GB EBE11UE6AESA 6E F LF 64 16 0 065um KN 1GB09 010 SAMSUNG SO1GBII6 Memory SAMSUNG SO DIMM DDRII 667 1GB M47...

Page 186: ...M470T2864EH3 CE6 LF 64 16 0 055um KN 1GB0B 027 HYNIX SO1GBII6 Memory HYNIX SO DIMM DDRII 667 1GB HMP112S6EFR6C Y5 LF 64 16 0 055um KN 1GB0G 022 SAMSUNG SO512MBII 6 Memory SAMSUNG SO DIMM DDRII 667 512...

Page 187: ...O512MBII 6 Memory SAMSUNG SO DIMM DDRII 667 512MB M470T6464QZ3 CE6 LF KN 5120B 026 HYNIX SO512MBII 6 Memory HYNIX SO DIMM DDRII 667 512MB HYMP164S64CP6 Y5 LF 64 16 0 065um KN 5120G 024 NB Chipset INTE...

Page 188: ...180 Appendix B...

Page 189: ...nload information on all of Acer s Notebook Desktop and Server models including Service guides for all models User s manuals Bios updates Software utilities Spare parts lists TABs Technical Announceme...

Page 190: ...182 Appendix C...

Page 191: ...d Layout Top View 143 brightness hotkeys 11 C Camera Board Removing 78 Replacing 93 caps lock on indicator 7 Common Problems 120 D DIMM Module Removing 45 Replacing 115 Display 3 display hotkeys 11 E...

Page 192: ...ly Flowchart 48 Mainboard Removing 63 Replacing 102 media access on indicator 7 Memory Check 120 Memory Cover Removing 41 Replacing 117 Microphone Removing 79 Replacing 92 Model Definition 164 N No Di...

Page 193: ...No Display 121 ODD 129 133 Other Failures 134 Power Button 133 Power On 120 Touch Pad 124 USB 129 WLAN 134 U Undetermined Problems 135 Upper Cover Removing 51 Replacing 110 USB Board Removing 61 Repla...

Page 194: ...186...

Search results

Summary of Contents for eMachines eM250

Reviews:

Related manuals for eMachines eM250

Brands by name

Popular brands

Acer eMachines eM250, Service Manual

Search results

Summary of Contents for eMachines eM250

Reviews:

Related manuals for eMachines eM250

Brands by name

Popular brands