Miscellaneous Symptoms (2604)



Miscellaneous Symptoms
Symptom/Error    FRU/Action
   Blank screen 1. Battery
  2. AC Adapter
  3. DRAM Card
  4. System Board
   Display problems 1. External Display, if installed
   (For external displays, see 2. External Display Power Cord
   'External Display Self-Test' 3. LCD Assembly
   before replacing FRUs.) 4. System Board
   LCD contrast not adjustable 1. LCD Assembly
  2. System Board
   Keyboard problems 1. Reseat cables
  2. Keyboard
  3. System Board
   Mouse problems 1. Reseat cable
  2. Mouse
  3. System Board
   Diagnostic tests hang 1. Battery
  2. AC Adapter
  3. DRAM Card
  4. System Board
   Blinking cursor only 1. Diskette Drive
  2. System Board
   Diskette drive bypassed 1. Reseat DASD/Serial Cable
  2. ThinkPad MultiPort
  3. Diskette Drive
   Cannot read diskette 1. Diskette Drive
  2. Diskette Drive Cable
  3. Diskette
  4. System Board
   Hard disk drive problem 1. Hard Disk Drive
  2. Hard Disk Drive Cable
  3. System Board
   Printer problem 1. Check Configuration
  2. ThinkPad MultiPort
  3. Parallel Port
  4. System Board
   Communication or plotter problem 1. Check Configuration
  2. ThinkPad MultiPort
  3. Serial Port
  4. PCMCIA Device
  5. System Board


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