Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 32
... timer not operational problem with known good modules. 2 beeps Parity error in cards 7 beeps is causing the malfunction. If the video adapter is an Display memory error (system video add-in card. Consult your system 8042 Gate A20 test error (cannot manufacturer's technical support....eliminate the possibility 5 beeps of the system board, the board may be faulty. 30 This will reveal the malfunctioning card. 8 beeps If the system video adapter is an integrated part of interference by pauses (intervals without sound) during POST. The following tables describes beep...
... timer not operational problem with known good modules. 2 beeps Parity error in cards 7 beeps is causing the malfunction. If the video adapter is an Display memory error (system video add-in card. Consult your system 8042 Gate A20 test error (cannot manufacturer's technical support....eliminate the possibility 5 beeps of the system board, the board may be faulty. 30 This will reveal the malfunctioning card. 8 beeps If the system video adapter is an integrated part of interference by pauses (intervals without sound) during POST. The following tables describes beep...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 33
...the system and some basic system-board operations • Checks the memory operation • Starts the video operation • Verifies that check the operation of interference by a malfunctioning add-in cards is causing the malfunction. POST error codes Each time you power-on the system. 31 A single... memory test failed are absent, consult your system manufacturer. Before declaring the motherboard beyond all expansion 10 beeps cards except the video adapter. This will not appear on the screen. Chapter 7. This series of tests is working If the POST detects a problem...
...the system and some basic system-board operations • Checks the memory operation • Starts the video operation • Verifies that check the operation of interference by a malfunctioning add-in cards is causing the malfunction. POST error codes Each time you power-on the system. 31 A single... memory test failed are absent, consult your system manufacturer. Before declaring the motherboard beyond all expansion 10 beeps cards except the video adapter. This will not appear on the screen. Chapter 7. This series of tests is working If the POST detects a problem...