Lenovo H4 Series Hardware Maintenance Manual V2.0
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... 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. Additional Service Information (Type G41)......61 Power management 61 Chapter 11. Additional Service Information (Type RS760)....62 Power...
... 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. Additional Service Information (Type G41)......61 Power management 61 Chapter 11. Additional Service Information (Type RS760)....62 Power...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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... Power-off the computer and all cables and power cords. 3. 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 BIOS is installed on all display controls... with that the latest level of the system board. Notes • The default is found by POST. • To enable beep, memory count, and checkpoint code display when a successful POST occurs, do the following procedure to help determine the cause of these messages, refer to Enhanced. ...
... Power-off the computer and all cables and power cords. 3. 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 BIOS is installed on all display controls... with that the latest level of the system board. Notes • The default is found by POST. • To enable beep, memory count, and checkpoint code display when a successful POST occurs, do the following procedure to help determine the cause of these messages, refer to Enhanced. ...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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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 the following information to assist you do receive the correct... •• Failure symptom - Have the same address jumpers/terminators/cabling 5. Power-on the computer. • Look for displayed error codes • Listen for beep codes • Look for the operation system control files 14 If you in the system 7. Problem determination tips Due to the variety of hardware...
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 the following information to assist you do receive the correct... •• Failure symptom - Have the same address jumpers/terminators/cabling 5. Power-on the computer. • Look for displayed error codes • Listen for beep codes • Look for the operation system control files 14 If you in the system 7. Problem determination tips Due to the variety of hardware...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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..., replace or reseat the adapter) video adapter. switch to protected mode) • If beep codes are absent, consult your system manufacturer. Before declaring the motherboard beyond all other expansion cards 6 beeps are not generated when all hope, eliminate the possibility 5 beeps of the add-in card. Consult your system 8042 Gate A20 test error...
..., replace or reseat the adapter) video adapter. switch to protected mode) • If beep codes are absent, consult your system manufacturer. Before declaring the motherboard beyond all other expansion cards 6 beeps are not generated when all hope, eliminate the possibility 5 beeps of the add-in card. Consult your system 8042 Gate A20 test error...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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...is called the Power-On Self-Test, or POST. 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. Symptom-to appear. This will not appear on the screen the next time ...all other expansion cards are absent, one at a time until the problem happens again. CMOS shutdown register read/write • If beep codes are generated error when all other expansion cards Cache memory test failed are absent, consult your system manufacturer. Chapter 7. This series of...
...is called the Power-On Self-Test, or POST. 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. Symptom-to appear. This will not appear on the screen the next time ...all other expansion cards are absent, one at a time until the problem happens again. CMOS shutdown register read/write • If beep codes are generated error when all other expansion cards Cache memory test failed are absent, consult your system manufacturer. Chapter 7. This series of...