IBM ThinkPad 365C 2625 Maintenance Manual page 123

Symptom / Error FRU / Action in Sequence
Two short beeps with POST error. See "Numeric Error
error codes. Codes" on page 106.
Two short beeps with System Board
blank screen.
No-Beep Symptoms
Symptom / Error FRU / Action in Sequence
No beep, power-on 1. Go to "Power Systems
indicator not on, and Checkout" on page 100.
a blank LCD during 2. System Board
POST. 3. Power sources
No beep, power-on 1. System Board
indicator on, and a 2. CPU Card
blank LCD during
POST.
No beep, power-on 1. System Board
indicator on, and a 2. CPU Card
blinking cursor only
during POST.
No beep during 1. Turn the volume up and
POST but system check the speaker.
runs correctly. 2. Speaker / Volume Switch
Assembly
ThinkPad 365X, 365XD (2625)
111