Lenovo ThinkPad 365E-ED ThinkPad 365, SelectaDock I - Hardware Maintenance Man - Page 297

FRU Code 50 51 60 72 FRU 1. Reseat the Diskette Drive (FDD-1) 2. Diskette Drive (FDD-1) 1. Reseat the Diskette Drive (FDD-2) 2. Diskette Drive (FDD-2) 1. Reseat the Hard Disk Drive 2. Hard Disk Drive PCMCIA Slot Assembly If the problem still remains after replacement of the FRUs, go to "Undetermined Problems" on page 290. Beep Symptoms Symptom / Error Continuous beeps. One beep and a blank, unreadable, or flashing LCD. One beep, and the message "Unable to access boot source." One long, two short beeps and a blank or unreadable LCD. One long beep followed by four short beeps each time the power switch is operated. (System cannot power-on due to low battery voltage.) One beep every second. (System is shutting down due to low battery voltage.) Two short beeps with error codes. Two short beeps with blank screen. FRU / Action in Sequence System Board 1. Reseat the LCD connector. 2. LCD Assembly 3. System Board 1. Boot device 2. System Board 1. System Board 2. LCD Assembly Connect the AC Adapter or install a fully charged battery. Connect the AC Adapter or install a fully charged battery (allows system to complete shutdown before changing the battery). POST error. See "Numeric Error Codes" on page 279. System Board ThinkPad 560 (2640) 285