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Lenovo ideaCentre N300, Руководство по обслуживанию

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Lenovo ideaCentre N300 Скачать руководство пользователя страница 24

Step 5.

Disconnect the antenna and data cables from the Wi-Fi card.

1

Step 6.

Remove the screw that secures the Wi-Fi card to the motherboard.

2

Step 7.

Pull the Wi-Fi card upward to remove it from the socket.

3

Step 8.

To install the new Wi-Fi card:

a.

Insert the new Wi-Fi card into the card port and secure it with the screw.

b.

Connect the antenna cables to the new Wi-Fi card.

Step 9.

Reattach the rear cover.

Replacing the speaker system

Note:

Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover.

To replace the speaker system:

Step 1.

Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating
system, and turn off the computer and all attached devices.

Step 2.

Unplug all power cords from electrical outlets.

Step 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 “Left and right view”
and “Rear view” for help with locating the various connectors.

Step 4.

Remove the rear cover. Refer to "Removing the rear cover".

18

Lenovo N300/308 All-In-One PC Hardware Maintenance Manual

Содержание ideaCentre N300

Страница 1: ...Lenovo N300 308 All In One PC Hardware Maintenance Manual ideaideaideaCentreidea Machine Types 10153 F0AH N308 10161 F0AL N300 ...

Страница 2: ......

Страница 3: ...Lenovo N300 308 All In One PC Hardware Maintenance Manual Machine Types 10153 F0AH N308 10161 F0AL N300 ...

Страница 4: ... Lenovo 2012 2013 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software are delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 ...

Страница 5: ...ecifications 9 Chapter 4 Replacing hardware 11 General information 11 Replacing the keyboard and mouse 12 Removing the rear cover 12 Replacing the battery 13 Replacing a memory module 14 Replacing the hard disk drive 15 Replacing the heat sink 16 Replacing the Wi Fi card 17 Replacing the speaker system 18 Replacing the front indicator board 19 Replacing the motherboard 20 Replacing the computer st...

Страница 6: ...iv Lenovo N300 308 All In One PC Hardware Maintenance Manual ...

Страница 7: ...ON and DANGER sections in this manual before following 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 nel m...

Страница 8: ...2 Lenovo N300 308 All In One PC Hardware Maintenance Manual ...

Страница 9: ...rom areas that people may walk through to ensure no one trips over it Do not wear loose clothing that can be trapped in the moving parts of a machine Ensure that your sleeves are fastened or rolled up above your elbows If your hair is long tie or fasten it back Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip approximately 8 centimeters 3 inches from ...

Страница 10: ...t be a complete circuit to cause electrical shock By observing the above rule you may prevent a current from passing through your body When using a tester set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machine frames Observe the specia...

Страница 11: ...connect the power cord 3 Check the power cord for a A third wire ground connector in good condition Use a meter to measure third wire ground continuity for 0 1 ohm or less between the external ground pin and frame ground b The power cord should be the appropriate type as specified in the parts listings c Insulation must not be frayed or worn 4 Remove the cover 5 Check for any obvious alterations U...

Страница 12: ...al grounding of the computer is required for operator safety and correct system function Proper grounding of the electrical outlet can be verified by a certified electrician Safety notices The CAUTION and DANGER safety notices in this section are provided in the language of English DANGER Electrical current from power telephone and communication cables is hazardous To avoid a shock hazard Do not c...

Страница 13: ...row into or immerse in water Heat to more than 100 C 212 F Repair or disassemble Dispose of the battery as required 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 T...

Страница 14: ...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 8 Lenovo N300 308 All In One PC Hardware Maintenance Manual ...

Страница 15: ...s for your computer This section lists the physical specifications for your computer Type Lenovo N300 308 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 90 40 C Altitude 86KPa to 106KPa Electrical input Input voltage 90V 264V AC Input frequency 47Hz 63Hz Copyright Lenovo 2012 2013 9 ...

Страница 16: ...10 Lenovo N300 308 All In One PC Hardware Maintenance Manual ...

Страница 17: ...the Safety and Warranty Guide go to the Support Web site at http support lenovo com Note Use only parts provided by Lenovo General information Pre disassembly instructions Before starting 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 signal cables from the computer 3 Place the system on a flat stable surf...

Страница 18: ... Note The mouse can be replaced using the same method Removing the rear cover Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover Note It may be helpful to place the computer face down on a soft flat surface for this procedure Lenovo recommends that you use a blanket towel or other soft cloth to protect the touch screen from scratches or other dama...

Страница 19: ...over from the front bezel Step 7 To reattach the rear cover a Line up the rear cover with the front bezel and reconnect the function board cable b Line up the holes on the rear cover with mounting pins on the front bezel and place the rear cover into position Replacing the battery Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover To replace the b...

Страница 20: ...with mounting holes on the rear cover then place it into position b Secure the new battery to the chassis with the five screws c Connect the power cable to the connector on the motherboard Step 8 Reattach the rear cover Replacing a memory module Attention Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover To replace a memory module Step 1 Remove any me...

Страница 21: ...e computer and wait 3 to 5 minutes to let it cool down before removing the rear cover To replace the hard disk drive Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power co...

Страница 22: ...e heat sink Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover To replace the heat sink Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer ...

Страница 23: ...pe to seal the gap between the heat sink and system fan Step 8 Reattach the rear cover Replacing the Wi Fi card Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover To replace the Wi Fi card Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 ...

Страница 24: ...o 5 minutes to let it cool down before removing the rear cover To replace the speaker system Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cab...

Страница 25: ...to 5 minutes to let it cool down before removing the rear cover To replace the front indicator board Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output...

Страница 26: ...y cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 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 Left and right view and Rear view for help with locating the various co...

Страница 27: ...e rear cover Replacing the computer stand Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover To replace the computer stand Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect a...

Страница 28: ...e it with the screws Replacing the camera Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover To replace the camera Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cable...

Страница 29: ...ctrical outlets Step 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 Left and right view and Rear view for help with locating the various connectors Step 4 Remove the rear cover Refer to Removing the rear cover Step 5 Remove the memory module Refer to Replacing a memory module Step 6...

Страница 30: ...Step 13 Reattach the rear cover 24 Lenovo N300 308 All In One PC Hardware Maintenance Manual ...

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