Checkout guide
vPNPISA Info
vSMBIOS Info
vVESA LCD Info
vHardware Events Log
Utility
vRun External Tests
vSurface Scan Hard Disk
vBenchmark System
vDOS Shell
vTech Support Form
vBattery Rundown
vView Test Log
vPrint Log
vSave Log
vFull Erase Hard Drive
vQuick Erase Hard Drive
PC-Doctor for Windows
This product is designed to help you troubleshoot and resolve problems related to your computer. Select one of the categories listed below to display symptoms and solutions:
vCHECK SYSTEM HEALTH
vSYSTEM AND DEVICE TESTS
vLENOVO TROUBLESHOOTING
vCENTER
vSYSTEM REPORTS
vUPDATES AND SUPPORT
Power system checkout
To verify a symptom, do the following:
1.Power off the computer.
2.Remove the battery pack.
3.Connect the ac adapter.
4.Check that power is supplied when you power on the computer.
5.Power off the computer.
6.Disconnect the ac adapter and install the charged battery pack.
7.Check that the battery pack supplies power when you power on the computer.
If you suspect a power problem, see the appropriate one of the following power supply checkouts:
v“Checking the ac adapter”
v“Checking operational charging” on page 35
v“Checking the battery pack” on page 35
v“Checking the backup battery” on page 36
Checking the ac adapter
You are here because the computer fails only when the ac adapter is used:
vIf the power problem occurs only when the port replicator is used, replace the port replicator.
vIf the
vIf the computer does not charge during operation, go to ″Checking operational charging.″
To check the ac adapter, do the following:
