No-beep symptoms – IBM THINKPAD 760C/CD (9546) User Manual

Page 123

Advertising
background image


Symptom / Error

FRU / Action in Sequence

Two short beeps with
error codes.

POST error. See “Numeric Error
Codes” on page 106.

Two short beeps with
blank screen.

System Board

No-Beep Symptoms

Symptom / Error

FRU / Action in Sequence

No beep, power-on
indicator not on, and
a blank LCD during
POST.

1. Go to “Power Systems

Checkout” on page 100.

2. System Board
3. Power sources

No beep, power-on
indicator on, and a
blank LCD during
POST.

1. System Board
2. CPU Card

No beep, power-on
indicator on, and a
blinking cursor only
during POST.

1. System Board
2. CPU Card

No beep during
POST but system
runs correctly.

1. Turn the volume up and

check the speaker.

2. Speaker / Volume Switch

Assembly

ThinkPad 365X, 365XD (2625)

111

Advertising