Lenovo N100 manual FRU replacement notices

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FRU replacement notices

To check what ECAs have been previously applied to the machine, use the ECA Information Read/Write function on the CE Utility Diskette for Lenovo 3000 series notebooks.

1.Insert the CE Utility Diskette for Lenovo 3000 series notebooks, and restart the computer.

2.From the main menu, select 6. Set ECA Information.

3.To read ECA information, select 2. Read ECA/rework number from EEPROM and follow the instruction.

4.To read box build date, select 5. Read box build date from EEPROM, and follow the instruction on the screen.

After an ECA has been applied to the machine, the EEPROM must be updated to reflect the ECA's application. Use the CE Utility Diskette for Lenovo 3000 series notebooks to update the EEPROM.

Note: Only the ECA number is stored in the EEPROM. The machine type of the ECA is assumed be the same as the machine type of the machine that had the ECA applied to it.

1.Insert the CE Utility Diskette for Lenovo 3000 series notebooks, and restart the computer.

2.From the main menu, select 6. Set ECA Information.

3.To write ECA information, select 1. Write ECA/rework number from EEPROM, and follow the instruction.

4.To write box build date, select 4. Write box build date from EEPROM, and follow the instruction on the screen.

If the system board is being replaced, try to read the ECA information from the old system board and transfer the information to the new system. If the system board is inoperable, this will not be possible.

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Contents Lenovo 3000 N100 Hardware Maintenance Manual Page Lenovo 3000 N100 Hardware Maintenance Manual Page Contents Iv MT 0689, 0690 Before replacing parts Important service informationAbout this manual Strategy for replacing FRUsStrategy for replacing a hard disk drive How to use error messagesImportant notice for replacing a system board Using eSupport Using PC Entitlement Warehouse PEWUsing the HMM Important information about replacing RoHS compliant FRUs Safety notice Safety notices multilingual translationsDiskette compatibility matrix Diskette Compatibility Drive CapacitySafety notices Safety notices Safety notices Safety notices 10 MT 0689, 0690 General safety Safety informationElectrical safety 12 MT 0689, 0690 Safety inspection guide Grounding requirements Laser compliance statement 16 MT 0689, 0690 What to do first Read this firstRead this first Following are not covered under warrantyService Web site Restoring the pre-installed system Related service informationRecovery to Factory Contents by using Product Recovery CDs How to remove the power-on password PasswordsSelect Power-On Password How to remove the hard-disk passwordScreen blank mode Power managementStandby mode Select Master HDPHibernation mode Creating the PC-Doctor diagnostics diskette Testing the computerCheckout guide Diagnostics Interactive Tests Detecting system information with PC-Doctor Power system checkoutHardware Info UtilityChecking operational charging Checking the battery packPin Voltage V dc Terminal Voltage V dc Lenovo 3000 N100 Feature Description SpecificationsProduct overview Lenovo 3000 N100 Indicator Meaning Status indicatorsGreen Blinking greenFRU tests Key combination Description Fn key combinationsNumeric error codes Symptom-to-FRU indexDMA test failed System board 02F6 Fail-safe timer NMI failed System boardSoftware NMI failed System board 02F7 Error messages No-beep symptoms Beep symptomsReseat the LCD connectors LCD-related symptomsSymptoms LCD assemblyUndetermined problems Intermittent problemsScrew notices FRU replacement noticesRetaining serial numbers Retaining the Uuid Restoring the serial number of the system unitReading or writing the ECA information Select 2. Read S/N data from EepromFRU replacement notices Removing and replacing a FRU Battery pack Hard disk drive Hard disk drive slot coverStep Screw quantity Color Torque PCI Express Mini Card for wireless LAN Dimm Dimm slot coverFor MT0689 Optical driveFor MT0768 Thermal module slot cover and fan Thermal module 52 MT 0689, 0690 1100 CPU Cover, strip E cover Keyboard 56 MT 0689, 0690 Function board LCD unit Removing and replacing a FRU 60 MT 0689, 0690 M2.5 × 6 mm, flat-head, nylon-coated Black 392 Nm Kgfcm Are only for MT 0689 For MT 0689Are only for MT For MT64 MT 0689, 0690 M2 × 4 mm, flat-head, nylon-coated Black 245 Nm Kgfcm 1160 USB/Audio connector card VGA connector card 68 MT 0689, 0690 M2.5 × 3 mm, flat-head, nylon-coated Black 392 Nm Kgfcm To remove the MDC, do as follows Step Screw cap Screw quantity Color Torque LCD front bezel B coverInverter card LCD panel, LCD cable, and hinges Remove the hinges from the LCD panel Are only for MT0768 Camera and LCD rear cover assembly a cover Locations Front view Bottom view Rear viewParts list Overall FRU CRU FRU no RoHSAstec AC adapters14.1-in. Wxga TFT LCD FRUs15.4-in. WSXGA+ TFT 15.4-in. Wxga TFTChicony Language RoHSWindows XP Professional Recovery CDsTBD Windows XP Home EditionMiscellaneous parts Bluetooth cableTools Common parts listTool Region RoHS Power cords90 MT 0689, 0690 Trademarks Part Number 41W7535
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N100 specifications

The Lenovo N100 is a budget-friendly laptop that embodies practicality without sacrificing essential performance features. Designed for students and professionals alike, it combines mobility with reliability, making it a suitable choice for everyday computing tasks.

One of the standout features of the Lenovo N100 is its efficient Intel processor. Depending on the specific configuration, users can expect either the Intel Celeron or Pentium M processors, providing sufficient power for basic applications, web browsing, and productivity software. The laptop is equipped with up to 1GB of RAM, ensuring smooth multitasking capabilities for users working on several applications simultaneously.

In terms of storage, the N100 includes options that range from 40GB to 80GB hard drives. This capacity caters well to the needs of users who require ample storage for documents, media, and various software applications. The integrated CD/DVD drive further enhances its versatility, enabling users to read and write discs, which is particularly useful for those who rely on physical media.

The Lenovo N100 features a 14-inch display with a resolution of 1280x800 pixels, providing a decent viewing experience for its size. The screen's size strikes a good balance between portability and usability, making it easy to work on for extended periods without straining the eyes. Additionally, the inbuilt Intel Graphics Media Accelerator 900 offers sufficient graphical performance for light gaming and multimedia tasks.

Connectivity options on the Lenovo N100 include several USB 2.0 ports, an Ethernet port, and a VGA output, which allow for connecting various peripherals and external displays. The laptop also includes a 56K modem, making it adaptable to older connectivity setups. Integration of Wi-Fi support provides users the freedom to connect to wireless networks, enhancing functionality for both home and office use.

Another significant characteristic of the N100 is its durable design. While its aesthetics may be straightforward, the solid build quality ensures that it withstands the rigors of daily use. This toughness is complemented by a battery life that can last several hours, allowing users the flexibility to work on the go without the constant need for a power outlet.

In conclusion, the Lenovo N100 stands out as a reliable and affordable laptop option, equipped with essential features that cater to basic computing needs. Its combination of performance, storage, and connectivity makes it a practical choice for users looking for value and reliability in their laptop purchase.
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