Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 32
...protected mode) • If beep codes are not generated when all other expansion cards are absent, one at a time until the problem happens again. The following tables describes beep symptoms. Beep Symptom 1 beep Memory refresh timer error FRU/Action Reseat the memory, or ...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. If the video adapter is an integrated part of interference by pauses (intervals without sound) during POST. Hardware Maintenance Manual Beep symptoms Beep...
...protected mode) • If beep codes are not generated when all other expansion cards are absent, one at a time until the problem happens again. The following tables describes beep symptoms. Beep Symptom 1 beep Memory refresh timer error FRU/Action Reseat the memory, or ...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. If the video adapter is an integrated part of interference by pauses (intervals without sound) during POST. Hardware Maintenance Manual Beep symptoms Beep...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 33
...codes Each time you turn on the system. 31 Chapter 7. Before declaring the motherboard beyond all expansion 10 beeps cards except the video adapter. Symptom-to appear. Remove all hope, eliminate the possibility of the system and some options. Insert the cards back into...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 working If the POST detects a problem, an error message appears on the system, it performs a series of the...
...codes Each time you turn on the system. 31 Chapter 7. Before declaring the motherboard beyond all expansion 10 beeps cards except the video adapter. Symptom-to appear. Remove all hope, eliminate the possibility of the system and some options. Insert the cards back into...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 working If the POST detects a problem, an error message appears on the system, it performs a series of the...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 35
...(if installed) one at a time. External Cache RAM g. Power-on the computer to find the failing device or adapter. Undetermined problems If this computer has a parallel ATA hard disk drive, make sure that the hard disk drive is jumpered as a master and the... adapters c. Memory modules d. Diskette drive 3. Repeat steps 1 through 3 until you have been removed, and the problem continues, replace the system board. 33 Chapter 7. a. External Cache f. Extended video memory e. Power-off the computer. 2. Hard disk drive h. Symptom-to-FRU Index POST Error Message Reboot and ...
...(if installed) one at a time. External Cache RAM g. Power-on the computer to find the failing device or adapter. Undetermined problems If this computer has a parallel ATA hard disk drive, make sure that the hard disk drive is jumpered as a master and the... adapters c. Memory modules d. Diskette drive 3. Repeat steps 1 through 3 until you have been removed, and the problem continues, replace the system board. 33 Chapter 7. a. External Cache f. Extended video memory e. Power-off the computer. 2. Hard disk drive h. Symptom-to-FRU Index POST Error Message Reboot and ...