IBM X121E manual Windows 7 Home Basic 32-bit DVDs, Windows 7 Home Premium 32-bit DVDs

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•	3053-CTO
•	3055-CTO
Table 42. Parts list-Windows Vista Business (32-bit) recovery DVDs

	Language	P/N	CRU
			ID

	US English	04T1844	N

Windows 7 Home Basic (32-bit) DVDs

Windows 7 Home Basic (32-bit) is preinstalled as the operating system in the following models:

•3045-CTO, 6Fx, 6Gx, 6Hx, 6Jx, 6Kx, 6Mx, 6Px

•3048-CTO, 29x, 2Ax, 2Bx, 2Cx, 2Dx, 2Kx, 2Lx

•3049-CTO

•3051-CTO, 55x, 57x, 59x

•3053-CTO, 26x, 28x, 2Ax, 2Bx

•3055-CTO

Table 43. Parts list-Windows 7 Home Basic (32-bit) recovery DVDs

Language	P/N	CRU ID

Arabic	03W8011	N

Brazilian Portuguese	03W8012

French	03W8015

Indian English	03W8014

Portuguese	03W8016

Russian	03W8017

Serbian-Latin	03W8222

Simplified Chinese	03W8013

Spanish	03W8018

Turkish	03W8019

US English	03W8020

Windows 7 Home Premium (32-bit) DVDs

Windows 7 Home Premium (32-bit) is preinstalled as the operating system in the following models:

•3045-CTO

•3048-CTO

•3049-CTO

•3051-CTO

•3053-CTO

•3055-CTO

Table 44. Parts list-Windows 7 Home Premium (32-bit) recovery DVDs

Language	P/N	CRU ID

Indian English	03W8022	N

Simplified Chinese	03W8021

US English	03W8023

98Hardware Maintenance Manual

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Contents Hardware Maintenance Manual ThinkPad X121eFirst Edition July Copyright Lenovo Contents Locations Iii About this manualThinkPad X121e Iv Hardware Maintenance Manual Safety information General safetyElectrical safety Safety inspection guide Safety notices multilingual translations Grounding requirementsSafety information Hardware Maintenance Manual Perigo Perigo Safety information Vorsicht Vorsicht Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Important service information Before replacing partsStrategy for replacing FRUs Select Downloads & DriversHow to use error message Dynamic Configure To Order CTOStrategy for replacing a hard disk drive Important notice for replacing a system boardGeneral Announce Variant GAV Using PEWFRU identification for CTO, CMV, and GAV products Hardware Maintenance Manual General checkout What to do firstCheckout guide Diagnostics using PC-Doctor for DOSFollowing are not covered under warranty Testing the computer Diagnostics Interactive Tests Lenovo ThinkVantage ToolboxHardware Info UtilityFRU tests Applicable testPower system checkout Checking the ac power adapterInteractive Tests Mouse Pin Voltage V dcTerminal Voltage V dc Checking the battery packChecking operational charging Checking the backup battery Wire Voltage V dcRelated service information Restoring the factory contents by using Recovery Disc SetHard disk password PasswordsPower-on password Supervisor password How to remove the power-on passwordHow to remove the hard-disk password Select Power-On PasswordSleep standby mode Power managementScreen blank mode Hibernation mode Symptom-to-FRU indexNumeric error codes No-beep symptoms Error messagesBeep symptoms LCD-related symptoms Intermittent problemsReseat the LCD connectors See important note for LCD-related symptomsUndetermined problems Hardware Maintenance Manual Status indicators Indicator MeaningHardware Maintenance Manual Key combination Description Speaker volume down keysFn key combinations Key combination Description For Windows For Windows Vista and Windows XPFRU replacement notices Screw noticesExternal CRU statement to customers Plastic to plasticSelect 2. Read S/N data from Eeprom Retaining serial numbersRestoring the serial number of the system unit Retaining the Uuid Reading or writing the ECA informationMTM on the rear label Product ID on the rear labelHardware Maintenance Manual Removing and replacing a FRU Before servicing ThinkPad X121e modelsBattery pack Important notice for replacing a battery packBottom slot cover Memory modules Removal steps of memory modulesHard disk drive or solid state drive assembly PCI Express Mini Card for wireless LAN Step Screw quantity Color TorqueRemoval steps of PCI Express Mini Card for wireless LAN PCI Express Mini Card for wireless WAN Removal steps of PCI Express Mini Card for wireless WANKeyboard Removal steps of keyboard Power sub card and microphone Top case assembly Removal steps of top case assembly Bluetooth daughter card Speaker assembly 1120 I/O board System board assembly, fan assembly, and backup battery Important notices for handling the system boardStep Screw quantity Color Torque CRT board assembly with cable DC-in sub card and base cover assembly Applying labels to the base cover Hardware Maintenance Manual When installing LCD unitM2.5 × 5 mm, wafer-head, nylon-coated Black 392 Nm Kgfcm LCD bezel assembly Step Screw cap Screw quantity Color TorqueIntegrated camera Removal steps of integrated cameraLCD panel, LCD cable, and hinges Removal steps of hinges Removing and replacing a FRU Hardware Maintenance Manual Locations Front viewRear view Bottom viewParts list External CRU statement to customersOverall FRU Overall FRU no CRUCRU CRU CRU CRU CRU CRU FRU no. CRU ID LCD FRUsNo. FRU Overall FRU LCD FRU LCD FRU LCD Language FRU no Ac power adapters Miscellaneous partsPower cords Country or region FRU noLanguage Recovery discs Windows XP Professional 32-bit DVDsWindows Vista Business 32-bit DVDs Windows 7 Home Basic 32-bit DVDs Windows 7 Home Premium 32-bit DVDsWindows 7 Home Premium 64-bit DVDs Windows 7 Professional 32-bit DVDsWindows 7 Professional 64-bit DVDs 3051-CTO, 52x, 5Ax, 5Bx, 5Dx, 5Ex 3053-CTO 3055-CTOWindows 7 Ultimate 32-bit DVDs Windows 7 Ultimate 64-bit DVDsWindows 7 Starter 32-bit DVDs US English 04T1876Common service tools ToolAppendix A. Notices 103Electronic emissions notices TrademarksPage 0A96013