Symptom / Error | FRU / Action |
---|---|
No beep, Power-on LED not lit, | 1. System Board |
and a blank LCD during POST. | 2. DC/DC Card |
(See 'Power Systems Checkout' | 3. Power source when failing |
before replacing any FRUs.) | |
No beep, Power-on LED lit, | 1. System Board |
and a blank LCD during POST. | 2. Modem Card |
(See 'Power Systems Checkout' | |
before replacing any FRUs.) | |
No beep during POST | 1. System Board (Speaker) |
but computer runs OK. | |
LCD screen unreadable or | 1. LCD Assembly |
characters missing pels. | 2. System Board |
One or more keys do not work. | 1. Keyboard |
2. System Board | |
Computer does not respond | 1. Pen |
to Pen input. | 2. LCD Assembly |
3. System Board | |
LCD backlight not functioning. | 1. Inverter Card |
2. LCD Assembly | |
3. Switch and LED Card | |
4. System Board | |
LCD backlight intensity | 1. LCD Assembly |
not adjustable. | 2. Switch and LED Card |
3. System Board | |
LCD contrast not adjustable. | 1. LCD Assembly |
2. System Board | |
3. Switch and LED Card | |
System hang or intermittent hang. | 1. Press Reset Button |
(See 'Undetermined Problems' | 2. System Board |
before replacing any FRUs.) | 3. Operating System |
The computer does | 1. System Board |
not suspend or resume. | |
The computer does | 1. Press Reset Button |
not power off. | 2. System Board |
Real-time clock inaccurate. | 1. Backup Battery |
2. System Board | |
Printer problems. | 1. System Board |
(See 'Printer checkout') | 2. Parallel Port Device Cable |
Serial or parallel port | 1. Device |
device problems. | 2. Device Cable |
3. System Board | |
LED incorrectly remains off, | 1. Switch and LED Card |
but computer runs OK. | 2. System Board |
Internal modem card does | 1. Verify that the setup data defined |
not communicate with a | by the communication software is |
modem or FAX. | suitable for the communication. |
2. Modem Card |
If the problem remains, see 'Undetermined Problems'.