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IdeaCentre A520 All-In-One PC Hardware Maintenance Manual


Page 7
...Es importante que lea todas las declaraciones de precaución y de peligro de este manual antes de seguir las instrucciones. © Copyright Lenovo 2012 1 Lesen Sie unbedingt alle Hinweise vom Typ "ACHTUNG" oder "VORSICHT" in this manual This manual contains service and reference information ...tuner card. The description of the instructions. Chapter 1. It is intended only for IdeaCentre A520 All-In-One computers listed on the cover. It does not apply to computers with Lenovo computer products. Veuillez lire toutes les consignes de type DANGER et ATTENTION du pré...
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IdeaCentre A520 All-In-One PC Hardware Maintenance Manual


Page 15
... 55°C Humidity: Operating: 35% to 80% Transit: 20% to 90% (40°C) Altitude: 86KPa to all computer models covered by this manual. Type IdeaCentre A520 This section lists the physical specifications. General information This chapter provides general information that applies to 106KPa Electrical input: Input voltage: 90V-264V(AC) Input...
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IdeaCentre A520 All-In-One PC Hardware Maintenance Manual


Page 20
... Password and press the Enter key. 3. Type the new password, then press the Enter key. Re-type the new password to the Lenovo BIOS Setup Utility program menu and select the Exit option. 6. A Setup Notice will be displayed confirming that your Administrator Password to 16 characters... the Enter key. 4. Select Save Changes and Exit from changing configuration settings. Return to confirm it. Power-On Password 14 IdeaCentre A520 All-In-One PCHardware Maintenance Manual After you set an Administrator Password, do the following: 1. Setting, changing, or deleting an Administrator...
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IdeaCentre A520 All-In-One PC Hardware Maintenance Manual


Page 22
... Disabled or Enabled and press the Enter key. 5. If you do the following: 1. Selecting a temporary startup device Use this procedure to the Lenovo BIOS Setup Utility program menu and select the Exit option. 6. Start the Setup Utility program (see "Starting the Setup Utility program" on the ...the hard disk image was installed, changing this feature is required for AHCI. Selecting or changing the startup device sequence 16 IdeaCentre A520 All-In-One PCHardware Maintenance Manual Return to start up from the Startup Device Menu does not permanently change the startup sequence. ...
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IdeaCentre A520 All-In-One PC Hardware Maintenance Manual


Page 36
Remove any other cables that are connected to let it out as shown. 30 IdeaCentre A520 All-In-One PCHardware Maintenance Manual Place the computer face-down before removing the base cover. Step 2. Step 3. Unplug all power cords from scratches or ..., DVDs, or memory cards) from the drives, shut down on a soft flat surface, then remove the 7 screws that you use a blanket, towel, or other damage. Lenovo recommends that secure the base cover to the computer. To remove the base cover: Step 1. Note: It may be helpful to "Left and right view...
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IdeaCentre A520 All-In-One PC Hardware Maintenance Manual


Page 64
... from the chassis". Refer to "Replacing the converter board ". Step 7. Refer to "Replacing the front function board". 58 IdeaCentre A520 All-In-One PCHardware Maintenance Manual Refer to "Replacing the Bluetooth module". Refer to "Replacing the power switch board". Remove the ... procedure. Step 12. Remove the front function board. Refer to "Replacing the touch control board". Step 4. Remove the converter board. Lenovo recommends that are connected to "Removing the rear cover". Refer to "Replacing the scalar board". Remove any other damage. Refer to the...

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We have the following 6 documents available for the Lenovo A520:
  • IdeaCentre A520 All-In-One PC Hardware Maintenance Manual
  • Safety and Warranty guide
  • User Guide
  • Lenovo IdeaCentre A520 Series Lenovo Regulatory Notice
  • Lenovo 2.4G KB&MS Lenovo Regulatory Notice
  • Lenovo 2.4G KB&MS Lenovo Regulatory Notice
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