Lenovo ThinkStation P360 Tower Hardware Maintenance Manual

Also see for ThinkStation P360 Tower: User guide Hardware Maintenance Manual Quick start guide User guide

Error FRU/ActionThe boot sector on the startup drive is corrupted. The drive must be formatted. Do the following:1. Attempt to back up the data on the failing hard diskdrive.2. Using the operating system programs, format thehard disk drive.The drive is defective. Replace the hard disk drive.Power supply problemsIf you suspect a power problem, use the following procedures.Check/Verify FRU/ActionCheck the following for proper installation.• Power cord• On/Off switch connector• On/Off switch power supply connector• System board power supply connectors• Microprocessor connectionReseat connectorsCheck the power cord for continuity. Power cordCheck the power-on switch for continuity. Power-on switchBeep symptomsBeep symptoms are tones or a series of tones separated by pauses (intervals without sound) during POST.The following table describes the beep symptoms.Beep symptom FRU/Action2 short beeps: common POST error Common POST error code. See the detailed failureinformation in “POST error codes” on page 34.3 short and 1 long beeps: DRAM memory error Perform the following actions in order:1. Make sure that the memory modules are properlyseated in the memory slots.2. Replace the memory modules.3. Replace the system board (for trained servicepersonnel only).2 long and 3 short beeps: graphics card error Perform the following actions in order:1. Make sure that the graphics cards are properlyseated in the slots.2. Replace the graphics cards.3. Replace the system board (for trained servicepersonnel only).Chapter 4. Service checkout and symptom-to-FRU index 33