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Lenovo 2808DKU, 28155YU, 28155XU manual Safety information

Models: 2808DKU 28155XU 28155YU

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Specifications Install Before replacing parts Parts list Error messages Bluetooth Password Status indicators Wire Voltage V dc Dynamic Configure To Order CTO

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Safety information 21

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Lenovo 2808DKU, 28155YU, 28155XU manual Safety information

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Contents

ThinkPad T400s Hardware Maintenance Manual Page ThinkPad T400s Hardware Maintenance Manual First Edition June Copyright Lenovo Contents Parts list 145 ThinkPad T400s About this manual Vi ThinkPad T400s Hardware Maintenance Manual Safety information General safety Electrical safety ThinkPad T400s Hardware Maintenance Manual Safety inspection guide Grounding requirements Safety notices multilingual translations ThinkPad T400s Hardware Maintenance Manual Safety information ThinkPad T400s Hardware Maintenance Manual Safety information Perigo Perigo ThinkPad T400s Hardware Maintenance Manual Safety information Vorsicht Vorsicht ThinkPad T400s Hardware Maintenance Manual Safety information ThinkPad T400s Hardware Maintenance Manual Safety information ThinkPad T400s Hardware Maintenance Manual Safety information Peligro Peligro ThinkPad T400s Hardware Maintenance Manual Safety information Laser compliance statement multilingual translations Safety information Não abra Cuidado Safety information Gefahr Öffnen Safety information ThinkPad T400s Hardware Maintenance Manual Safety information Precaución Safety information ThinkPad T400s Hardware Maintenance Manual Before replacing parts Important service informationStrategy for replacing FRUs Select Downloads and drivers Important notice for replacing a system board How to use error messageStrategy for replacing a hard disk drive FRU identification for CTO, CMV, and GAV products Dynamic Configure To Order CTO Using eSupport General checkout What to do first Following are not covered under warranty Checkout guide Diagnostics using PC-Doctor for DOS Testing the computer Utility Diagnostics Interactive TestsHardware Info FRU tests PC-Doctor for Rescue and RecoveryLenovo System Toolbox Battery2 Diagnostics --ThinkPad Devices --AC Adapter, BatteryDiagnostics --Video Adapter To Compatibility, and run Diagnostics --Other Device FRU Pin Voltage V dc Power system checkoutChecking the AC adapter Terminal Voltage V dc Checking the battery packChecking operational charging Wire Voltage V dc Checking the backup battery ThinkPad T400s Hardware Maintenance Manual Service Web site Related service information Power-on password PasswordsHard-disk password Supervisor password Select Power-On Password How to remove the power-on passwordHow to remove the hard-disk password Select Master HDP Standby mode Power managementScreen blank mode Hibernation mode Numeric error codes Symptom-to-FRU index 0191 Run Bios Setup Utility, and then save 0190 Charge the battery pack0199 Run Bios Setup Utility, and then save Installed or press Esc to ignore 0260 Charge the backup battery for more 0252 Reset the password by running Bios Setup0270 Charge the backup battery for more 0271 Run Bios Setup Utility to reset the time For the authentication 1820 Remove all but the reader that you set up1830 Install Dimm in Slot-0, but not in Slot-1 Run Diagnostics --ThinkPad Devices Error messages No-beep symptoms Beep symptoms Reseat the LCD connectors LCD-related symptomsSymptoms LCD assembly Undetermined problems Intermittent problems Feature Description Specifications Bluetooth wireless Status indicators Orange Indicator MeaningBlinking green Turn off Blinking orange rapid Blinking green slowBlinking orange slow ThinkPad T400s Hardware Maintenance Manual Key combination Description Fn key combinations Key combination Description Screw notices FRU replacement noticesPlastic to plastic Logic card to plastic Retaining the Uuid Retaining serial numbersRestoring the serial number of the system unit Reading or writing the ECA information ThinkPad T400s Hardware Maintenance Manual Removing and replacing a FRU Removing the SIM card Before servicing ThinkPad T400s Battery pack Ultrabay Slim Media Bay device or travel bezel Step Screw quantity Color Torque Solid state drive SSD or hard disk drive HDD Removal steps of SSD or HDD Dimm Removal steps of Dimm PCI Express Mini Card for wireless LAN M2 ⋅ 3 mm, small-head, nylon-coated Silver 167 Nm Kgfcm When installing PCI Express Mini Card for wireless WAN Step Screw quantity Color Torque Removal steps of PCI Express Mini Card for wireless WAN Keyboard Step Screw quantity Color Torque Removal steps of keyboard When installing the keyboard, do as follows Installation steps of keyboard Backup battery M2 ⋅ 6 mm, flat-head, nylon-coated Silver 167 Nm Kgfcm Wireless USB adapter or Intel Turbo Memory Removal steps of wireless USB adapter or Intel Turbo Memory Palm rest or palm rest with fingerprint reader ThinkPad T400s Hardware Maintenance Manual Bluetooth daughter card BDC-2 Keyboard bezel and speaker assembly Step Screw quantity Color Torque Pull the cables out from the cable guide hole M2 ⋅ 3 mm, small-head, nylon-coated Silver 167 Nm Kgfcm 1130 5-in-1 Media Card Reader adapter Bluetooth-wireless radio switch FPC Removal steps of Bluetooth-wireless radio switch FPC Step Screw cap Screw quantity Color Torque LCD unit When installing Removal steps of LCD unit Removal steps of LCD unit Important notices for handling the system board System board, fan assembly, and 34-mm ExpressCard slot frame CPU Step Screw quantity Color Torque Indicate the removal steps of fan assembly, When installing ThinkPad T400s Hardware Maintenance Manual 1170 I/O sub card and base cover assembly ThinkPad T400s Hardware Maintenance Manual LCD bezel assembly Removal steps of LCD bezel assembly LCD latch L and R Integrated camera or microphone sub card Removal steps of integrated camera or microphone sub card LED sub card Important notice on handling the LCD panel LCD panel Removal steps of LCD panel Removal steps of LCD panel LCD cable Hinge kit Removal steps of hinge kit LED cable Removal steps of LED cable Antenna kit and LCD rear cover assembly Removal steps of antenna kit and LCD rear cover assembly Front view Locations Rear view Bottom view ThinkPad T400s Hardware Maintenance Manual Optional-service CRUs Parts listSelf-service CRUs Overall CRU FRU Overall FRU no CRU CRU CRU CRU CRU CRU CRU CRU LCD FRUs FRU 14.1-inch WXGA+ TFT FRU no Language FRU no Miscellaneous parts FRU AC adapters Country or region FRU no Power cords Language Recovery discs Windows XP Professional recovery DVDs English for India 58Y2097 Windows Vista Starter Edition 32 bit recovery DVDs Windows Vista Home Basic 32 bit recovery DVDs Windows Vista Home Premium 32 bit recovery DVDs Windows Vista Business 32 bit recovery DVDs Parts list-Windows Vista Business 32 bit recovery DVDs Windows Vista Business 64 bit recovery DVDs Windows Vista Ultimate 32 bit recovery DVDs Tool Common service tools ThinkPad T400s Hardware Maintenance Manual 173 Trademarks Page Part Number 45M2271

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