Symptom/Error | FRU/Action |
---|---|
Power-on password is not | 1. Check the power-on password |
reactivated. | switch position. |
Problem occurs only when port | 1. Port Replicator |
replicator installed. | |
No beep and a blank or unreadable | 1. See 'Power Systems Checkout' |
display during POST. | before replacing any FRUs. |
2. Processor Card | |
3. System Board | |
4. Video Card | |
5. Hard Disk Drive | |
6. Base Memory Card | |
7. Any option or device | |
8. Power source in use when failure occurs | |
9. Voltage Converter | |
10 Speaker | |
No beep with a blinking cursor. | 1. System Board |
2. Processor Card | |
3. Any Option or Device | |
No beep with a normal | 1. Speaker |
display during POST. | 2. System Board |
3. Keyboard Control Card | |
4. Voltage Converter | |
No beep and the system hangs with | 1. System Board |
CP XX at the right-bottom | 2. Processor Card |
corner of the screen. | |
No beep and the system hangs | 1. System Board |
after displaying the memory count. | 2. Processor Card |
3. Hard Disk Drive | |
4. Coprocessor | |
No boot with blank screen. | 1. System Board |
Extra horizontal or vertical | 1. LCD |
lines displayed on upper | 2. Video Card |
or lower half of the LCD. | 3. System Board |
LCD screen unreadable | 1. See important note for |
or characters missing pels. | 'LCD FRU Replacement Notice' |
2. LCD Assembly | |
3. System Board | |
LCD too dark, unable to | 1. LCD |
adjust contrast or brightness. | 2. Video Card |
LCD slightly dims when | 1. Normal operation |
changing to battery power. | (Dimming of LCD conserves battery power.) |
LCD unreadable, illegible, | 1. LCD |
or distorted. | 2. Video Card |
3. System Board | |
LCD cannot be powered-on or off. | 1. Video Card |
2. System Board | |
Voltage Converter | |
Blank screen, or extra | 1. LCD |
horizontal or vertical lines | 2. Video Card |
displayed on upper or lower | 3. System Board |
half of the LCD with no | |
beep or one short beep. | |
System status indicator is | 1. System Board |
incorrectly blinking or stays on. | 2. Related Device |
3. Indicator Assembly | |
System status indicator stays | 1. System Board |
off, but the POST ends without | 2. Related Device |
an error. | 3. Indicator Assembly |
No keys on the keyboard work. | 1. Keyboard Control Card |
See '1080 Keyboard Unit' | 2. Keyboard |
3. External Keyboard or Numeric | |
Keypad (if attached) | |
4. System Board | |
Keypad problems. | 1. Reseat cable |
2. External Keypad | |
3. Keyboard Control Card | |
4. System Board | |
One or more keys do not work. | 1. See '1080 Keyboard Unit' |
before replacing any FRUs. | |
2. Keyboard | |
3. External Keyboard or Numeric | |
Keypad (if attached) | |
4. Keyboard Control Card | |
Mouse and Pointing Stick problems. | 1. See '1080 Keyboard Unit' |
before replacing any FRUs. | |
2. Disable Trackpoint and test Mouse | |
The Trackpoint | |
can interfere with the operation | |
of some Mouse devices. | |
3. Mouse | |
4. Keyboard Control Card | |
5. Keyboard | |
Cursor floats or moves erratically. | 1. See 'TrackPoint II Checkout' |
before replacing any FRUs. | |
2. Mouse | |
3. Keyboard | |
External display problems. | 1. See 'External Display Self-Test' |
before replacing any FRUs. | |
2. External Display | |
3. Video Card | |
4. System Board | |
Incorrect memory size during POST. | 1. See 'Memory Checkout' |
before replacing any FRUs. | |
2. Base Memory Card | |
3. IC DRAM Card | |
System hang or Intermittent hang. | 1. See 'Undetermined Problems' |
before replacing any FRUs. | |
2. System Board | |
3. Hard Disk Drive | |
4. Replace the last device being tested | |
5. Voltage Converter | |
The system goes into suspend | 1. System Board |
mode after the POST. | 2. Voltage Converter |
3. Keyboard Control Card | |
The system does not | 1. Check the Suspend/Resume switch operation. |
suspend or resume. | If broken, replace the Voltage Converter. |
2. System Board | |
3. Voltage Converter | |
4. Keyboard Control Card | |
5. Keyboard | |
The computer does not power-off. | 1. Voltage Converter |
2. System Board | |
Real-time clock inaccurate. | 1. See 'Checking the Backup Battery' |
before replacing any FRUs. | |
2. Backup Battery | |
3. System Board | |
Printer problems. | 1. See 'Printer Checkout' |
Serial or serial port device problems. | 1. Device |
2. Cable | |
3. Serial Adapter (if attached) | |
4. System Board | |
Parallel or parallel port device problem | 1. Device/printer |
2. Cable | |
3. Parallel Adapter (if attached) | |
4. System Board | |
Internal Data/Fax modem does not | 1. See 'Fax/Modem Checkout' |
communicate with a remote modem or | |
a facsimile machine. | |
PS2 command cannot power-off | 1. Create new PS2 setup program |
internal modem unless computer is | using UINSTALL command. |
powered-off. | (Reference Diskette must be 1.10 or later.) |