Lenovo X41 manual ThinkPad, 12.1-in. XGA TFT

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ThinkPad X41

Product overview

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51

Specifications

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51

Status indicators for X41

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53

FRU tests

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55

Fn key combinations

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57

Symptom-to-FRU index

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59

Numeric error codes

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59

Error messages

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67

Beep symptoms

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69

No-beep symptoms

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69

LCD-related symptoms

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70

Intermittent problems

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71

Undetermined problems

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71

FRU replacement notices

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72

Screw notices

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72

Retaining serial numbers

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73

Restoring the serial number of the system unit

 

73

Retaining the UUID

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74

Reading or writing the ECA information . .

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74

Removing and replacing a FRU

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76

1010

Battery pack

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77

1020

Hard disk drive

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78

1030

DIMM cover

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79

1040

Mini PCI adapter, DIMM, MDC-2, and

 

 

BMDC-3

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80

1050

Keyboard

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83

1060

Upper case

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86

1070

Fingerprint board

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89

1080

Backup battery

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91

1090

LCD module

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92

1100 Hard disk housing assembly

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95

1110 Top shielding

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96

1120 Lower case

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97

1130 Fansink

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101

2010

LCD bezel

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102

2020

LCD

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105

2030

Inverter card

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106

2040 Antenna L and antenna R

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108

2050

Hinge L and hinge R

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112

2060

Bluetooth antenna cable

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114

Locations

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115

Front view for X41 series

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115

Rear view for X41 series

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116

Bottom view for X41 series

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117

Front View for X4 UltraBase Dock . . . .

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118

Rear View for X4 UltraBase Dock

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119

Parts list

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120

Overall

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120

LCD FRUs

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130

12.1-in. XGA TFT

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130

© Lenovo 2005. Portions © IBM Corp. 2005.

 

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Contents ThinkPad Computer Hardware Maintenance Manual Page Contents Parts list 2060 Bluetooth antenna cableRecovery CDs Common parts listAbout this manual MT1864/1865/2525/2526/2527/2528 Strategy for replacing FRUs Important service informationBefore replacing parts Dynamic Configure To Order CTO How to use error messagesStrategy for replacing a hard disk drive Custom Model Variant CMVUsing eSupport Using PEWFRU identification for CTO, CMV, and GAV products General Announce Variant GAVUsing the HMM Important information about replacing RoHS compliant FRUs Related web URLs are Safety notices multilingual translationsDiskette compatibility matrix Safety notice 10 MT1864/1865/2525/2526/2527/2528 Continuation of safety notice 12 MT1864/1865/2525/2526/2527/2528 Continuation of safety notice 14 MT1864/1865/2525/2526/2527/2528 Continuation of safety notice Safety notice Safety notice 18 MT1864/1865/2525/2526/2527/2528 Introduction General safety Safety informationElectrical safety Safety information Safety inspection guide Safety information Grounding requirements Laser compliance statement Laser compliance statement 28 MT1864/1865/2525/2526/2527/2528 What to do first Read this firstFollowing are not covered under warranty Service Web site Restoring the preloaded system Related service informationCreating a Recovery Repair diskette Ordering the recovery CDFollow the on-screen instructions Product Recovery programSelect Create a Recovery Repair diskette. Press Enter To create the service partition Using the recovery CDReinstall the Product Recovery program? Y/N Install preloaded system from CDRecovering the hard disk to original contents Security IBM- Predesktop Area-Disabled Recovering the hard disk using the recovery CDDouble-clickRecover to factory contents Reinstall the Product Recovery program? Y/N Power-on password PasswordsHard disk password Supervisor passwordHow to remove the hard disk password How to remove the power-on passwordSelect Power-On Password To remove a POP that you have forgotten, do the followingScreen blank mode Power managementStandby mode Select Master HDPHibernation mode Related service information Checkout guide Testing the computerCreating the PC-Doctor diagnostics diskette 44 MT1864/1865/2525/2526/2527/2528 Diagnostics Interactive TestsDetecting system information with PC-Doctor Power system checkoutHardware Info UtilityPin Voltage V dc Checking the ac adapterChecking operational charging Checking the backup battery Checking the battery packDo the following General descriptions Terminal Voltage V dcRed + Black Wire Voltage V dc12.1-in. XGA TFT ThinkPadPage Feature Description SpecificationsProduct overview ThinkPad X41CDC 52 MT1864/1865/2525/2526/2527/2528Green Status indicators forIndicator Meaning Blinking green 54 MT1864/1865/2525/2526/2527/2528Orange Blinking orangeFollowing table shows the test for each FRU FRU tests56 MT1864/1865/2525/2526/2527/2528 Fn key combinations 58 MT1864/1865/2525/2526/2527/2528 Numeric error codes Symptom-to-FRU index60 MT1864/1865/2525/2526/2527/2528 Then save current 62 MT1864/1865/2525/2526/2527/2528 Battery and run Bios 64 MT1864/1865/2525/2526/2527/2528 Recover to Factory 66 MT1864/1865/2525/2526/2527/2528 Symptom or error FRU or action, in sequence 2010Error messages 68 MT1864/1865/2525/2526/2527/2528 Beep symptoms 70 MT1864/1865/2525/2526/2527/2528 LCD-related symptomsUndetermined problems Intermittent problemsScrew notices FRU replacement noticesPlastic to plastic Logic card to plasticSelect 2. Read S/N data from Eeprom Retaining serial numbersRestoring the serial number of the system unit Reading or writing the ECA information Retaining the UuidFRU replacement notices 76 MT1864/1865/2525/2526/2527/2528 Removing and replacing a FRUBattery pack Step Screw quantity Torque Hard disk driveStep Screw quantity Torque M2 ×3 mm 157 Nm Kgfcm Dimm coverMini PCI adapter, DIMM, MDC-2, and BMDC-3 M2 × 3.5 mm, nylon-coated 196 Nm Kgfcm Removing and replacing a FRU Keyboard Gently push the keyboard forward, as shown in step Removing and replacing a FRU 86 MT1864/1865/2525/2526/2527/2528 Upper caseRemoving and replacing a FRU Removing and replacing a FRU Fingerprint board 90 MT1864/1865/2525/2526/2527/2528 Backup battery 92 MT1864/1865/2525/2526/2527/2528 LCD moduleThen remove the four screws as shown Remove LCD module 94 MT1864/1865/2525/2526/2527/2528 Hard disk housing assembly 96 MT1864/1865/2525/2526/2527/2528 Top shieldingLower case 98 MT1864/1865/2525/2526/2527/2528 Remove the two screws at the bottomRemove lower case Removing and replacing a FRU Fansink LCD bezel Remove LCD bezel Removing and replacing a FRU 2020 LCD Inverter card Reconnect the LCD cable and inverter 108 MT1864/1865/2525/2526/2527/2528 Antenna L and antenna RRemoving and replacing a FRU 110 MT1864/1865/2525/2526/2527/2528 Removing and replacing a FRU 112 MT1864/1865/2525/2526/2527/2528 Hinge L and hinge RRemove hinge R Bluetooth antenna cable Locations Front view for X41 series Rear view for X41 series Bottom view for X41 series Front View for X4 UltraBase Dock Rear View for X4 UltraBase Dock 120 MT1864/1865/2525/2526/2527/2528 Parts list Overall121 No. FRU 122 MT1864/1865/2525/2526/2527/2528MB DDR2-533 Sdram SO-DIMM FRU CRU 124 MT1864/1865/2525/2526/2527/2528ThinkPad X41 126 MT1864/1865/2525/2526/2527/2528 ThinkPad X41 128 MT1864/1865/2525/2526/2527/2528 Emea 130 MT1864/1865/2525/2526/2527/2528 LCD FRUs12.1-in. XGA TFT Keyboard Chicony 132 MT1864/1865/2525/2526/2527/2528Language For Windows XP Professional Recovery CDs134 MT1864/1865/2525/2526/2527/2528 Miscellaneous partsFor Windows XP Home Edition Optional FRUs 136 MT1864/1865/2525/2526/2527/2528 AC adaptersCountry or region Power cords systemFor Models-xxU, xxF, xxS, xxP, xxJ, xxE, xxY 138 MT1864/1865/2525/2526/2527/2528 For Models-xxC, xxM, xxA, xxG, xxH, xxKTelephone cable Page Page Trademarks ThinkPad X41 Part Number 39T5971
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X41 specifications

The Lenovo X41, a notable entry in the ThinkPad series, was introduced as a lightweight and portable laptop ideal for business professionals and casual users alike. This device gained recognition for its reliability, innovative features, and robust performance, making it a sought-after option during its time.

One of the primary highlights of the Lenovo X41 is its form factor. Weighing in at just around 3.5 pounds, it epitomizes portability without compromising on functionality. The 12.1-inch XGA display provides a balance between screen real estate and travel-friendly dimensions. This size makes it convenient for users who frequently move between meetings or travel for work.

Powering the X41 is Intel's Centrino technology, which integrates the processor, chipset, and wireless capabilities into a cohesive unit. This not only optimizes performance but also enhances battery life, enabling users to work longer without plugging in. The model typically features a robust Intel Pentium M processor, available in various configurations, giving users options in terms of speed and efficiency.

The design of the X41 adheres to the iconic ThinkPad aesthetic, characterized by its black casing, rugged build, and the famous red TrackPoint mouse in the center of the keyboard. This keyboard is spill-resistant, which adds an extra layer of protection against accidents. Users appreciate the tactile feedback and comfort offered by the keys, making it suitable for extended typing sessions.

In terms of connectivity, the Lenovo X41 is equipped with various ports, including USB, Ethernet, and an optional docking station for enhanced capabilities. Additionally, the laptop includes integrated Wi-Fi for seamless wireless connectivity, an essential feature for modern business environments.

Security is another noteworthy aspect of the Lenovo X41. It typically features a fingerprint reader, a function that enhances user authentication and data protection.

Overall, the Lenovo X41 stands out due to its combination of portability, performance, and essential features tailored for users on the go. Its design emphasizes durability and usability, making it a versatile choice for a range of applications, whether for business professionals, students, or everyday users seeking a reliable and efficient laptop.