Lenovo IdeaPad Tablet K1 Hardware Maintenance Manual

Also see for IdeaPad K1: Specifications Specifications Limited warranty User guide

Contents

17Important service informationUse the following strategy to prevent unnecessary expense for replacing andservicing FRUs:If you are instructed to replace an FRU, but the replacement does not solve•the problem, reinstall the original FRU before you continue.Some computers have both a processor board and a system board. If you•are instructed to replace either of them, and replacing one of them does notsolve 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 onlythe FRU that changed the symptoms.Attention: The setup configuration on the computer you are servicing mayhave been customized. Running Automatic Configuration may alter thesettings. Note the current configuration settings (using the View Configurationoption); then, when service has been completed, verify that those settingsremain in effect.Strategy for replacing a hard disk driveAlways try to run a low-level format before replacing a hard disk drive. Thiswill cause all customer data on the hard disk to be lost. Make sure that thecustomer has a current backup of the data before performing this action.Attention: The drive startup sequence in the computer you are servicing mayhave been changed. Be extremely careful during write operations such ascopying, saving, or formatting. If you select an incorrect drive, data or programscan be overwritten.Important notice for replacing a system boardSome components mounted on a system board are very sensitive. Improperhandling can cause damage to those components, and may cause a systemmalfunction.Attention: When handling a system board:Do not drop the system board or apply any excessive force to it.•Avoid rough handling of any kind.•Avoid bending the system board and hard pushing to prevent cracking at•each BGA (Ball Grid Array) chipset.