Lenovo ThinkPad S1 Yoga Hardware Maintenance Manual

Also see for Thinkpad s1 yoga: User guide User guide Safety, warranty, and setup guide Safety, warranty, and setup guide Hardware Maintenance Manual

Contents

Chapter 2. Important service informationThis chapter introduces following important service information that applies to all machine types supportedby this manual:• “Strategy for replacing FRUs” on page 19– “Strategy for replacing a hard disk drive or a solid-state drive” on page 19– “Important notice for replacing a system board” on page 20– “How to use error message” on page 20• “Strategy for replacing FRUs for CTO, special bid model, and standard models” on page 20– “Product definition” on page 20– “FRU identification” on page 21Important:• If the computer is equipped with both a hard disk drive and an mSATA solid-state drive, do not use themSATA solid-state drive as a bootable device. The mSATA solid-state drive is designed and developed for“cache” function purpose only.• Advise customers to contact the Lenovo® Customer Support Center if they need any assistance inobtaining or installing any software fixes, drivers, and UEFI BIOS downloads. Telephone numbers forLenovo Support are available at: http://www.lenovo.com/support/phone• System Disassembly/Reassembly videos that show the FRU removals or replacements for the Lenovoauthorized service technicians are available in the following support site:http://www.lenovoservicetraining.com/ion/Strategy for replacing FRUsBefore replacing parts:Ensure that all software fixes, drivers, and UEFI BIOS downloads are installed before replacing any FRUslisted in this manual.After a system board is replaced, ensure that the latest UEFI BIOS is loaded to the system board beforecompleting the service action.To download software fixes, drivers, and UEFI BIOS, go to http://www.lenovo.com/ThinkPadDrivers andfollow the instructions on the screen.Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs:• If you are instructed to replace a FRU but the replacement does not correct the problem, reinstall theoriginal FRU before you continue.• Some computers have both a processor board and a system board. If you are instructed to replace eitherthe processor board or the system board, and replacing one of them does not correct the problem,reinstall that board, and then replace the other one.• If an adapter or a device consists of more than one FRU, any of the FRUs may be the cause of the error.Before replacing the adapter or device, remove the FRUs, one by one, to see if the symptoms change.Replace only the FRU that changed the symptoms.Strategy for replacing a hard disk drive or a solid-state driveAlways try to run a low-level format before replacing a hard disk drive or a solid-state drive. This will causeall customer data on the drive to be lost. Be sure that the customer has a current backup of the databefore doing this task.© Copyright Lenovo 2013 19