Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 32
... Maintenance Manual Beep symptoms Beep symptoms are tones or a series of tones separated by a malfunctioning Processor error add-in card, replace or reseat the adapter) video adapter. switch to protected mode) • If beep codes are not generated when all hope, eliminate the possibility 5... beeps of the system board, the board may be faulty. 30 If the video adapter is an Display memory error (system video add-in card. Before declaring the motherboard beyond all other expansion cards 6 beeps are absent, one at a time until the problem happens again. This ...
... Maintenance Manual Beep symptoms Beep symptoms are tones or a series of tones separated by a malfunctioning Processor error add-in card, replace or reseat the adapter) video adapter. switch to protected mode) • If beep codes are not generated when all hope, eliminate the possibility 5... beeps of the system board, the board may be faulty. 30 If the video adapter is an Display memory error (system video add-in card. Before declaring the motherboard beyond all other expansion cards 6 beeps are absent, one at a time until the problem happens again. This ...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 33
... operations. • Checks some basic system-board operations • Checks the memory operation • Starts the video operation • Verifies that check the operation of the add-in card. Consult your system manufacturer's technical support. • If beep codes are not generated 11 beeps when all ...expansion 10 beeps cards except the video adapter. This will not appear on the screen the next time you turn on the system, it performs a series of interference by a malfunctioning add-in cards is called the Power-On Self-Test, or POST...
... operations. • Checks some basic system-board operations • Checks the memory operation • Starts the video operation • Verifies that check the operation of the add-in card. Consult your system manufacturer's technical support. • If beep codes are not generated 11 beeps when all ...expansion 10 beeps cards except the video adapter. This will not appear on the screen the next time you turn on the system, it performs a series of interference by a malfunctioning add-in cards is called the Power-On Self-Test, or POST...