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Lenovo 28155XU, 28155YU, 2808DKU manual Removal steps of LCD unit

Models: 2808DKU 28155XU 28155YU

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

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Table 25. Removal steps of LCD unit (continued)

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Lenovo 28155XU, 28155YU, 2808DKU manual Removal steps of LCD unit

Page 123 Page 125

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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 About this manual ThinkPad T400s 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 Cuidado Não abra Safety information Öffnen Gefahr Safety information ThinkPad T400s Hardware Maintenance Manual Safety information Precaución Safety information ThinkPad T400s Hardware Maintenance Manual Important service information Before replacing partsStrategy for replacing FRUs Select Downloads and drivers Strategy for replacing a hard disk drive How to use error messageImportant notice for replacing a system board Dynamic Configure To Order CTO FRU identification for CTO, CMV, and GAV products Using eSupport General checkout Following are not covered under warranty What to do first Diagnostics using PC-Doctor for DOS Checkout guide Testing the computer Hardware Info Diagnostics Interactive TestsUtility Lenovo System Toolbox PC-Doctor for Rescue and RecoveryFRU tests Diagnostics --ThinkPad Devices --AC Adapter, Battery Battery2Diagnostics --Video Adapter To Compatibility, and run Diagnostics --Other Device FRU Checking the AC adapter Power system checkoutPin Voltage V dc Checking operational charging Checking the battery packTerminal Voltage V dc Checking the backup battery Wire Voltage V dc ThinkPad T400s Hardware Maintenance Manual Related service information Service Web site Passwords Power-on passwordHard-disk password Supervisor password How to remove the hard-disk password How to remove the power-on passwordSelect Power-On Password Select Master HDP Screen blank mode Power managementStandby mode Hibernation mode Symptom-to-FRU index Numeric error codes 0190 Charge the battery pack 0191 Run Bios Setup Utility, and then save0199 Run Bios Setup Utility, and then save Installed or press Esc to ignore 0252 Reset the password by running Bios Setup 0260 Charge the backup battery for more0270 Charge the backup battery for more 0271 Run Bios Setup Utility to reset the time 1820 Remove all but the reader that you set up For the authentication1830 Install Dimm in Slot-0, but not in Slot-1 Run Diagnostics --ThinkPad Devices Error messages Beep symptoms No-beep symptoms LCD-related symptoms Reseat the LCD connectorsSymptoms LCD assembly Intermittent problems Undetermined problems Specifications Feature Description Bluetooth wireless Status indicators Indicator Meaning OrangeBlinking green Turn off Blinking orange slow Blinking green slowBlinking orange rapid ThinkPad T400s Hardware Maintenance Manual Fn key combinations Key combination Description Key combination Description FRU replacement notices Screw noticesPlastic to plastic Logic card to plastic Restoring the serial number of the system unit Retaining serial numbersRetaining the Uuid Reading or writing the ECA information ThinkPad T400s Hardware Maintenance Manual Removing and replacing a FRU Before servicing ThinkPad T400s Removing the SIM card Battery pack Ultrabay Slim Media Bay device or travel bezel Solid state drive SSD or hard disk drive HDD Step Screw quantity Color Torque 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 Wireless USB adapter or Intel Turbo Memory M2 ⋅ 6 mm, flat-head, nylon-coated Silver 167 Nm Kgfcm 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 LCD unit Step Screw cap Screw quantity Color Torque When installing Removal steps of LCD unit Removal steps of LCD unit System board, fan assembly, and 34-mm ExpressCard slot frame Important notices for handling the system board 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 LCD panel Important notice on handling the 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 Locations Front view Rear view Bottom view ThinkPad T400s Hardware Maintenance Manual Self-service CRUs Parts listOptional-service CRUs Overall FRU Overall FRU no CRU 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 Power cords Country or region FRU no Recovery discs Windows XP Professional recovery DVDs Language Windows Vista Starter Edition 32 bit recovery DVDs English for India 58Y2097 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 Common service tools Tool ThinkPad T400s Hardware Maintenance Manual 173 Trademarks Page Part Number 45M2271

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