To Next Page

To Previous Page

Error FRU/Action

The start-up drive is not in the boot sequence in

configuration.

Check the configuration and ensure that the start-up drive

is in the boot sequence.

No operating system installed on the boot drive. Install an operating system on the boot drive.

The 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 disk

drive.

2. Using the operating system programs, format the

hard disk drive.

The drive is defective. Replace the hard disk drive.

Power supply problems

If you suspect a power problem, use the following procedures.

Check/Verify

FRU/Action

Check the following for proper installation.

• Power cord

• On/Off switch connector

• On/Off switch power supply connector

• System board power supply connectors

• Microprocessor connection

Reseat connectors

Check the power cord for continuity. Power cord

Check the power-on switch for continuity.

Power-on switch

Beep symptoms

Beep 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/Action

2 short beeps: common POST error Common POST error code. See the detailed failure

information in “POST error codes” on page 86.

3 short and 1 long beeps: DRAM memory error Perform the following actions in order:

1. Make sure that the memory modules are properly

seated in the memory slots.

2. Replace the memory modules.

3. Replace the system board (for trained service

personnel only).

Chapter 8. Service checkout and symptom-to-FRU index 85

Lenovo 30C7 User Manual

Questions and Answers: