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Lenovo 40241AU User Manual Download Page 35

Chapter 8. Replacing hardware

      33

Removing the motherboard cover

1.  Remove the computer stand. Refer to “Removing the computer stand”.
2.  Remove the computer cover. Refer to “Removing the computer cover”.
3.  Remove the 5 screws that secure the motherboard cover to the 

computer chassis.

4.  Lift up the motherboard cover.

Replacing the hard disk drive

Attention 

Turn off the computer and wait 3 to 5 minutes to let the computer 
cool down before replacing the hard disk drive. 

Summary of Contents for 40241AU

Page 1: ...guide 7 Handling electrostatic discharge sensitive devices 8 Grounding requirements 8 Safety notices 9 Chapter 3 General information 12 Specifications 12 Chapter 4 General Checkout 13 Problem determination tips 14 Chapter 5 Using the Setup Utility 15 Starting the Setup Utility program 15 Viewing and changing settings 15 Using passwords 16 Using Device 18 Selecting a startup device 19 Exiting from ...

Page 2: ...33 Replacing the optical disk drive 35 Replacing a memory module 37 Replacing connectors module 38 Replacing the system fans 40 Replacing the heatsink 41 Removing the inverter board 42 Replacing the touch module 43 Replacing the bluetooth module 44 Replacing the WLAN card card 45 Replacing the TV tuner card card 45 Replacing the speakers system 46 Replacing the motherboard 47 Replacing the LED pan...

Page 3: ...aution and danger statements in this book before performing any of the instructions Veuillez lire toutes les consignes de type DANGER et ATTENTION du présent document avant d exécuter les instructions Lesen Sie unbedingt alle Hinweise vom Typ ACHTUNG oder VORSICHT in dieser Dokumentation bevor Sie irgendwelche Vorgänge durchführen Leggere le istruzioni introdotte da ATTENZIONE e PERICOLO presenti ...

Page 4: ...lowing statement pertains to these products and any product Lenovo produces containing RoHS compliant parts RoHS compliant Lenovo IdeaCentre A7 parts have unique FRU part numbers Before or after June 2006 failed RoHS compliant parts must always be replaced using RoHS compliant FRUs so only the FRUs identified as compliant in the system HMM or direct substitutions for those FRUs can be used Product...

Page 5: ...Chapter 1 About this manual 3 California Senate Bills 20 50 http www ciwmb ca gov HHW Events AnnualConf 2004 presentation MPaparian pdf ...

Page 6: ... you think are too heavy for you Do not perform any action that causes hazards to the customer or that makes the equipment unsafe Before you start the machine ensure that other service representatives and the customer s personnel are not in a hazardous position Place removed covers and other parts in a safe place away from all personnel while you are servicing the machine Keep your tool case away ...

Page 7: ... electrical equipment Important Use only approved tools and test equipment Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents Many customers have near their equipment rubber floor mats that contain small conductive fibers to decrease electrostatic discharges Do not use this type of mat to protect yourself from electrical ...

Page 8: ... instructions are in the safety sections of maintenance information Use extreme care when measuring high voltages Regularly inspect and maintain your electrical hand tools for safe operational condition Do not use worn or broken tools and testers Never assume that power has been disconnected from a circuit First check that it has been powered off Always look carefully for possible hazards in your ...

Page 9: ...ed CRT face or bulging capacitor Mechanical hazards such as loose or missing hardware The guide consists of a series of steps presented in a checklist Begin the checks with the power off and the power cord disconnected Checklist 1 Check exterior covers for damage loose broken or sharp edges 2 Power off the computer Disconnect the power cord 3 Check the power cord for a A third wire ground connecto...

Page 10: ...static on your body Prevent the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap Use the black side of a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices Select a grounding system such as those listed below to provide protection that meets the specific se...

Page 11: ... hand only to connect or disconnect signal cables Never turn on any equipment when there is evidence of fire water or structural damage Disconnect the attached power cords telecommunications systems networks and modems before you open the device covers unless instructed otherwise in the installation and configuration procedures Connect and disconnect cables as described in the following table when...

Page 12: ...by local ordinances or regulations CAUTION When laser products such as CD ROMs DVD ROM drives fiber optic devices or transmitters are installed note the following Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation There are no serviceable parts inside the device Use of controls or adjustments or performance of procedures other th...

Page 13: ...he power supply do not turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source 1 2 CAUTION Do not place any object weighing more than 82 kg 180 lbs on top of rack mounted devices ...

Page 14: ...pecifications This section lists the physical specifications for your computer Type Lenovo IdeaCentre A7 This section lists the physical specifications Environment Air temperature Operating 10 to 35 C Transit 20 to 55 C Humidity Operating 35 to 80 Transit 20 to 93 40 C Altitude 86KPa to 106KPa Electrical input Input voltage 100V 240V Input frequency 50Hz 60Hz ...

Page 15: ...uter to boot up in quiet mode no beep no memory count and checkpoint code display when no errors are detected by POST To enable beep memory count and checkpoint code display when a successful POST occurs do the following 1 Start the Setup Utility program See Starting the Setup Utility program 2 Select Start Options 3 Set Power On Self Test to Enhanced Before replacing any FRUs ensure that the late...

Page 16: ...nd model Processor or hard disk upgrades Failure symptom Do diagnostics indicate a failure What when where single or multiple systems Is the failure repeatable Has this configuration ever worked If it has been working what changes were made prior to it failing Is this the original reported failure Diagnostics version Type and version level Hardware configuration Print print screen configuration cu...

Page 17: ... to display Boot Menu showed on display and then press F1 Notes a If you are using a USB keyboard and the Setup Utility program does not display using this method repeatedly press and release the F1 key rather than leaving it pressed when turning on the computer b If a Power On Password or an administrator password has been set the Setup Utility program menu is not displayed until you type your pa...

Page 18: ... following rules Must have at least seven characters in length Contain at least one alphabetic character and one numeric character Setup Utility program and hard disk drive passwords are not case sensitive Not be your name or your user name Not be a common word or a common name Be significantly different from your previous password Administrator password When a Administrator Password is set it det...

Page 19: ...tor password do the following Note When prompted for a password you must type your Administrator password 1 From Security menu select Set Administrator Password and press Enter 2 The password dialog box will be displayed Enter Current Password and press Enter Press Enter in New Password and confirm New Password dialog A setup notice will display that changes have been saved 3 Select Exit 4 Select ...

Page 20: ...ter the password is set you may select the Advanced Menu for device setup Using Device Device is used to enable or disable user access to the following device Audio Setup When this feature is set to Disable the device of Audio Setup is disabled and will not be displayed in the system configuration To set Device do the following 1 Start the Setup Utility program see Starting the Setup Utility progr...

Page 21: ...ay using this method repeatedly press and release the F12 key rather than leaving it pressed when turning on the computer 3 Select the desired startup device from the Startup Device Menu and press Enter to begin Note Selecting a startup device from the Startup Device menu does not permanently change the startup sequence Selecting or changing the startup device sequence To view or permanently chang...

Page 22: ... you finish viewing or changing settings press Esc to return to the Setup Utility program menu you might have to press Esc several times If you want to save the new settings select Save changes and Exit on the Exit menu before you exit Otherwise your changes will not be saved ...

Page 23: ...diagnose the error message first If you cannot run the diagnostic tests or you get a diagnostic error code when running a test but did receive a POST error message diagnose the POST error message first If you did not receive any error message look for a description of your error symptoms in the first part of this index Hard disk drive boot error A hard disk drive boot error error codes 1962 and I9...

Page 24: ...sor s connection Reseat connectors Check the power cord for continuity Power Cord Check the power on switch for continuity Power on Switch POST error codes Each time you power on the system it performs a series of tests that check the operation of the system and some options This series of tests is called the Power On Self Test or POST POST does the following operations Checks some basic system bo...

Page 25: ... Hard Disk Error Secondary Slave Hard Disk Error Keyboard error Cannot initialize the keyboard Make sure the keyboard is properly connected to the computer and that no keys are held pressed during POST To purposely configure the computer without a keyboard set keyboardless operation in Setup to Enable The BIOS then ignores the missing keyboard during POST System Halted The system has been halted A...

Page 26: ...disconnect the following components if installed one at a time a External devices modem printer or mouse b Any adapters c Memory modules d Extended video memory e External Cache f External Cache RAM g Hard disk drive h Diskette drive 3 Power on the computer to re test the system 4 Repeat steps 1 through 3 until you find the failing device or adapter If all devices and adapters have been removed an...

Page 27: ...ts of the computer Locating components and connectors The following illustrations will help you to locate the various components and connectors in your computer 1 10 12 13 14 15 16 17 20 19 18 11 4 5 6 7 8 9 2 3 Internal components The following illustration shows the components inside your computer 1 Motherboard 2 Computer stand ...

Page 28: ...odule 15 TV tuner card 16 Touch module 17 Camera 18 Chassis 19 LED panel 20 Front bezel Identifying parts on the motherboard The motherboard sometimes called the planar or system board is the main circuit board in your computer It provides basic computer functions and supports a variety of devices that are factory installed or that you can install later The following illustration shows the locatio...

Page 29: ...ew of the system board 1 2 3 4 5 6 4 7 8 9 1 Card reader connector 2 eSATA connector 3 1394 connector 4 USB connector 2 5 Headphone connector 6 Microphone connector 7 WLAN connector 8 Memory module connector 9 TV tuner card connector ...

Page 30: ...ance Manual 28 Rear view of the computer 3 4 5 6 1 2 7 8 9 1 TV tuner port selected models 2 Bluetooth reset button 3 AV IN ports 4 USB ports 4 5 Ethernet port 6 SPDIF port 7 HDMI in port 8 HDMI out port 9 Power socket ...

Page 31: ...nual HMM for the computer To obtain copies of the Safety and Warranty Guide or HMM go to the Support Web site at http consumersupport lenovo com Note Use only parts provided by Lenovo General information Pre disassembly instructions 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 all power and sign...

Page 32: ...rds from the drives shut down the operating system turn off all attached devices and the computer 2 Unplug all power cords from electrical outlets 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connected to the computer Refer to Locating connectors on the rear of the computer 4 Push the computer stand upright then sl...

Page 33: ...n finish replacing a FRU follow the bellowing instructions to install back computer stand Incorrect operations may damage the computer stand To install the computer computer stand 1 Align then slide the computer stand back in and screw it back 2 Push the computer stand upward as far as it go 3 Slide the little handle back down to unlock the computer stand ...

Page 34: ...iskettes CDs or memory cards from the drives shut down the operating system turn off all attached devices and the computer 2 Unplug all power cords from electrical outlets 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connected to the computer Refer to Locating connectors on the rear of the computer 4 Remove the com...

Page 35: ...2 Remove the computer cover Refer to Removing the computer cover 3 Remove the 5 screws that secure the motherboard cover to the computer chassis 4 Lift up the motherboard cover Replacing the hard disk drive Attention Turn off the computer and wait 3 to 5 minutes to let the computer cool down before replacing the hard disk drive ...

Page 36: ...e from scratches or other damage 1 Remove the computer stand Refer to Removing the computer stand 2 Remove the computer cover Refer to Removing the computer cover 3 Remove the motherboard cover Refer to Removing the motherboard cover 4 Remove the 4 screws that secure the hard disk drive to the chassis 5 Disconnect the data and power cables from the hard disk drive 6 Remove the 6 screws that secure...

Page 37: ... the mounting holes in the chassis then screw it in 11 Screw back the motherboard cover 12 Install the computer cover and stand Replacing the optical disk drive Attention Turn off the computer and wait 3 to 5 minutes to let the computer cool down before replacing the optical disk drive To replace the optical disk drive Note For this procedure it helps to place the computer face down on a soft flat...

Page 38: ...to Locating connectors on the rear of the computer 4 Remove the computer stand Refer to Removing the computer stand 5 Remove the computer cover Refer to Removing the computer cover 6 Remove the motherboard cover Refer to Removing the motherboard cover 7 Remove the hard disk drive Refer to Replacing the hard disk drive 8 Remove the 3 screws that secure the optical disk drive to the chassis 9 Discon...

Page 39: ...at you use a blanket towel or other soft cloth to protect the touch screen surface from scratches or other damage To replace the memory module 1 Remove any media diskettes CDs or memory cards from the drives shut down the operating system turn off all attached devices and the computer 2 Unplug all power cords from electrical outlets 3 Disconnect all cables attached to the computer This includes po...

Page 40: ...replacing the connectors module Note For this procedure it helps to place the computer face down on a soft flat surface Lenovo recommends that you use a blanket towel or other soft cloth to protect the touch screen surface from scratches or other damage To replace the connectors module 1 Remove any media diskettes CDs or memory cards from the drives shut down the operating system turn off all atta...

Page 41: ...module to the motherboard 8 Disconnect the TV antenna cable from the connectors module 9 Lift up the connectors module 10 Align then insert the new connectors module to the motherboard and screw it in 11 Reconnect the TV antenna cable back to the new connectors module 12 Align then install motherboard cover back 13 Install the computer cover and stand ...

Page 42: ...puter cover 3 Removing the motherboard cover Refer to Removing the motherboard cover 4 Disconnect the power cable from the motherboard 5 Remove the 4 screws that secure the system fans to the motherboard 6 Lift the system fans up to remove it 7 Align then install the new system fans and screw it in 8 Align then install the motherboard cover back 9 Align then install the computer cover and computer...

Page 43: ...the computer cover 3 Removing the motherboard cover Refer to Removing the motherboard cover 4 Remove the system fans Refer to Replacing the system fans 5 Remove the 7 screws that secure the heatsink to the motherboard 6 Lift up the heatsink 7 Align then install the new heatsink 8 Install back system fans and the motherboard cover back 9 Align then install the computer cover and computer stand ...

Page 44: ...d 2 Remove the computer cover Refer to Removing the computer cover 4 Remove the 2 screws that secure the inverter board to the chassis 5 Disconnect the cables from the inverter board 6 Lift up the inverter board 9 Connect the cables to the new inverter board 10 Align then screw in the new inverter board 11 Install the computer cover and computer stand ...

Page 45: ...the computer cover Refer to Removing the computer cover 3 Remove the 2 screws that secure the touch module to the chassis 4 Slide out then lift up the touch module 5 Disconnect the cables from the touch module 6 Reconnect the cables to the new touch module 7 Align then screw in the new touch module to the chassis 8 Install the computer cover and computer stand ...

Page 46: ...r cover Refer to Removing the computer cover 3 Push the pins to release the bluetooth module and container from the chassis 4 Remove the bluetooth module from the container and lift it up 5 Disconnect the antenna cable from the bluetooth module 6 Connect the antenna cable to the new bluetooth module 7 Align then install the bluetooth module 8 Install the computer cover and stand ...

Page 47: ...to motherboard and pull out the WLAN card 6 Align then insert the new WLAN card to the card port and screw it in to the motherboard 7 Reconnect the antenna cables back to the new WLAN card 8 Install the motherboard cover back 9 Install the computer cover and computer stand Replacing the TV tuner card card 1 Remove the computer stand Refer to Removing the computer stand 2 Remove the computer cover ...

Page 48: ...otherboard cover back 9 Install the computer cover and computer stand Replacing the speakers system 1 Remove the computer stand Refer to Removing the computer stand 2 Remove the computer cover Refer to Removing the computer cover 3 Remove the motherboard cover Refer to Removing the motherboard cover 4 Remove the connectors module Refer to Replacing the connectors module 5 Disconnect the cables fro...

Page 49: ...stand Replacing the motherboard To replace the motherboard 1 Remove the computer stand Refer to Removing the computer stand 2 Remove the computer cover Refer to Removing the computer cover 3 Remove the motherboard cover Refer to Removing the motherboard cover 4 Remove the hard disk drive Refer to Replacing the hard disk drive 5 Remove the connectors module Refer to Replacing the connectors module ...

Page 50: ...k to the new motherboard 14 Connect all the cables to the new motherboard 15 Screw back the motherboard cover 16 Install the computer cover and the computer stand Replacing the LED panel To replace the LED panel 1 Remove the computer stand Refer to Removing the computer stand 2 Remove the computer cover Refer to Removing the computer cover 3 Remove the motherboard cover Refer to Removing the mothe...

Page 51: ...disk drive Refer to Replacing the optical disk drive 12 Remove the inverter board Replacing the inverter board 13 Remove the bluetooth module Refer to Replacing the bluetooth module 14 Remove the touch module Refer to Replacing the touch module 15 Remove the motherboard Refer to Replacing the motherboard 16 Remove the 21 screws that secure LED panel to the chassis 17 Separate the LED panel from th...

Page 52: ...Refer to Replacing the connectors module 6 Remove the WLAN module Refer to Replacing the WLAN module 7 Remove the system fans Refer to Replacing the system fans 8 Remove the heatsink Refer to Replacing the heatsink 9 Remove the speakers system Refer to Replacing the speakers systems 10 Remove the hard disk drive Refer to Replacing the hard disk drive 11 Remove the optical disk drive Refer to Repla...

Page 53: ... hardware 51 19 Disconnect the cable from the camera 20 Connect the cable to the new camera 21 Align then install the new camera 22 Install all relative parts back 23 Install the computer back cover and the computer stand ...

Page 54: ...Support Web site at http consumersupport lenovo com To replace the keyboard 1 Remove any media diskettes CDs or memory cards from the drives shut down the operating system and turn off all attached devices and the computer 2 Unplug all power cords from electrical outlets 3 Locate the connector for the keyboard Refer to Left and right view and Rear view Note Your keyboard is connected to the USB co...

Page 55: ...o the Support Web site at http consumersupport lenovo com To replace the mouse 1 Remove any media diskettes CDs or memory cards from the drives shut down the operating system and turn off all attached devices and the computer 2 Unplug all power cords from electrical outlets 3 Locate the connector for the mouse Refer to Left and right view and Rear view Note Your mouse is connected to the USB conne...

Page 56: ...omputer To obtain copies of the Safety and Warranty Guide or HMM go to the Support Web site at http consumersupport lenovo com To replace the power cord and power adapter 1 Remove any media diskettes CDs or memory cards from the drives shut down the operating system and turn off all attached devices and the computer 2 Locate the connector for the power cord Refer to Rear view 3 Disconnect the fail...

Page 57: ...BIOS system the operating system is allowed to control the power management features of the computer and the setting for Advanced Power Management APM BIOS mode is ignored Not all operating systems support ACPI BIOS mode Automatic Power On features The Automatic Power On features within the Power Management menu allow you to enable and disable features that turn on the computer automatically Resum...

Page 58: ...d software programs described in the manuals included with your computer and the content of the manual at any time without notice All of the manuals included with your computer are provided to help you use Lenovo products appropriately but do not provide any description of the software hardware configuration for the product For configuring the product refer to related contracts if any the product ...

Page 59: ...icro Devices Inc in the United States and or other jurisdictions The table above includes the logo and registered trademarks of Lenovo and its partners Other registered trademarks mentioned in any or all of the manuals included with your computer belong to the specific company respectively The manual included with your computer is protected by copyright laws and rules None of the manuals included ...

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