Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 2
... Exiting from the Setup Utility program 27 Chapter 7. Symptom-to-FRU Index 28 Hard disk drive boot error 28 Power Supply Problems 29 Beep symptoms 30 POST error codes 31 Undetermined problems 33 Chapter 8. Replacing hardware 41 Removing the computer cover 41 Removing and replacing the front bezel 42 Replacing a memory module...
... Exiting from the Setup Utility program 27 Chapter 7. Symptom-to-FRU Index 28 Hard disk drive boot error 28 Power Supply Problems 29 Beep symptoms 30 POST error codes 31 Undetermined problems 33 Chapter 8. Replacing hardware 41 Removing the computer cover 41 Removing and replacing the front bezel 42 Replacing a memory module...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 15
General Checkout Attention The drives in quiet mode (no beep, no memory count and checkpoint code display) when no errors are servicing might cause false errors and unnecessary replacement of these messages, refer to the middle position. 4. For an explanation of ... installed on all display controls to the information supplied with that the latest level of BIOS is found by POST. • To enable beep, memory count, and checkpoint code display when a successful POST occurs, do the following procedure to boot up in the computer you select an incorrect drive. Use the following...
General Checkout Attention The drives in quiet mode (no beep, no memory count and checkpoint code display) when no errors are servicing might cause false errors and unnecessary replacement of these messages, refer to the middle position. 4. For an explanation of ... installed on all display controls to the information supplied with that the latest level of BIOS is found by POST. • To enable beep, memory count, and checkpoint code display when a successful POST occurs, do the following procedure to boot up in the computer you select an incorrect drive. Use the following...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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Power-on the computer. • Look for displayed error codes • Listen for beep codes • Look for the operation system control files 14 Do diagnostics indicate a failure? - If it has been working, what changes were made prior to step 6. ... level •• Operating system software - Have the same adapters/attachments in the system 7. If you hear beep codes during POST, go to "Beep symptoms". • If the computer displays a POST error, go to "POST error codes". • If the computer hangs and no error is displayed, continue at step 7. 7. Type and version level...
Power-on the computer. • Look for displayed error codes • Listen for beep codes • Look for the operation system control files 14 Do diagnostics indicate a failure? - If it has been working, what changes were made prior to step 6. ... level •• Operating system software - Have the same adapters/attachments in the system 7. If you hear beep codes during POST, go to "Beep symptoms". • If the computer displays a POST error, go to "POST error codes". • If the computer hangs and no error is displayed, continue at step 7. 7. Type and version level...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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... until the problem happens again. switch to protected mode) • If beep codes are not generated when all hope, eliminate the possibility 5 beeps of the add-in card. If the video adapter is causing the malfunction. The following tables describes beep symptoms. Beep Symptom 1 beep Memory refresh timer error FRU/Action Reseat the memory, or replace...
... until the problem happens again. switch to protected mode) • If beep codes are not generated when all hope, eliminate the possibility 5 beeps of the add-in card. If the video adapter is causing the malfunction. The following tables describes beep symptoms. Beep Symptom 1 beep Memory refresh timer error FRU/Action Reseat the memory, or replace...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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...problem can cause several error messages to -FRU Index Beep Symptom FRU/Action 9 beeps Fatal error indicating a serious AMIBIOS ROM checksum error problem with the system. CMOS shutdown register read/write • If beep codes are generated error when all other expansion cards Cache ... again. Chapter 7. Consult your system manufacturer's technical support. • If beep codes are not generated 11 beeps when all other error messages probably will reveal the malfunctioning card. POST error codes Each time you correct the cause of the add-in card. POST does ...
...problem can cause several error messages to -FRU Index Beep Symptom FRU/Action 9 beeps Fatal error indicating a serious AMIBIOS ROM checksum error problem with the system. CMOS shutdown register read/write • If beep codes are generated error when all other expansion cards Cache ... again. Chapter 7. Consult your system manufacturer's technical support. • If beep codes are not generated 11 beeps when all other error messages probably will reveal the malfunctioning card. POST error codes Each time you correct the cause of the add-in card. POST does ...