Lenovo IdeaCentre K330 Lenovo IdeaCentre K3 Series Hardware Maintenance Manual - Page 26

Hardware Maintenance Manual Beep symptoms Beep symptoms are tones or a series of tones separated by pauses (intervals without sound) during POST. The following tables describes beep symptoms. Beep Symptom 1 beep Memory refresh timer error FRU/Action Reseat the memory, or replace with known good modules. 2 beeps Parity error in base memory (first 64KB block) 3 beeps Base memory read/write test error 4 beeps Fatal error indicating a serious Motherboard timer not operational problem with the system. Consult your system manufacturer. Before declaring the motherboard beyond all hope, eliminate the possibility 5 beeps of interference by a malfunctioning Processor error add-in card. Remove all expansion cards except the video adapter. • If beep codes are generated when all other expansion cards 6 beeps are absent, consult your system 8042 Gate A20 test error (cannot manufacturer's technical support. switch to protected mode) • If beep codes are not generated when all other expansion cards are absent, one of the add-in cards 7 beeps is causing the malfunction. Insert General exception error (processor the cards back into the system exception interrupt error) one at a time until the problem happens again. This will reveal the malfunctioning card. 8 beeps If the system video adapter is an Display memory error (system video add-in card, replace or reseat the adapter) video adapter. If the video adapter is an integrated part of the system board, the board may be faulty. 24