Acer Aspire 7540 Service Guide
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...Drive Check 86 External Optical Disk Drive Check 86 Keyboard or Auxiliary Input Device Check 86 Memory Check 87 Power System Check 87 Touchpad Check 88 Power-On Self-Test (POST) Error Message 88 Index of Error Messages 89 Phoenix BIOS Beep Codes 93 ...FRU Error Message 97 Intermittent Problems 101 Undetermined Problems 102 Connector Locations 103 Main Board 103 Clearing Password Check and BIOS Recovery 105 Clearing Password Check 105 BIOS Recovery by Crisis Disk 107 FRU (Field Replaceable Unit) List 111 Aspire 7736/7736Z/7336 Series and Aspire 7540 Series Exploded Diagram . ...
...Drive Check 86 External Optical Disk Drive Check 86 Keyboard or Auxiliary Input Device Check 86 Memory Check 87 Power System Check 87 Touchpad Check 88 Power-On Self-Test (POST) Error Message 88 Index of Error Messages 89 Phoenix BIOS Beep Codes 93 ...FRU Error Message 97 Intermittent Problems 101 Undetermined Problems 102 Connector Locations 103 Main Board 103 Clearing Password Check and BIOS Recovery 105 Clearing Password Check 105 BIOS Recovery by Crisis Disk 107 FRU (Field Replaceable Unit) List 111 Aspire 7736/7736Z/7336 Series and Aspire 7540 Series Exploded Diagram . ...
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Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. 1. Symptoms (Verified) Power failure. (The power indicator does not go to "Power-On Self-Test (POST) Error Message" on page 88 "Intermittent Problems" on page 101 "Undetermined Problems" on .) POST does not complete. "Power-On Self-Test (POST) Error Message" on page...
Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. 1. Symptoms (Verified) Power failure. (The power indicator does not go to "Power-On Self-Test (POST) Error Message" on page 88 "Intermittent Problems" on page 101 "Undetermined Problems" on .) POST does not complete. "Power-On Self-Test (POST) Error Message" on page...
Acer Aspire 7540 Service Guide
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... of the power adapter cable. If the power-on indicator does not light up, check the power cord of the following power sources: 1. Boot from the power adapter does not always indicate a defect. 3. NOTE: Make sure that power is fully installed into the connector. If you suspect a power problem, see "...Check the Battery Pack" on page 88. Chapter 4 87 If any of these devices do the following: • Replace the System board. • If the problem is not corrected, see "Undetermined Problems" on page 102. • If the...
... of the power adapter cable. If the power-on indicator does not light up, check the power cord of the following power sources: 1. Boot from the power adapter does not always indicate a defect. 3. NOTE: Make sure that power is fully installed into the connector. If you suspect a power problem, see "...Check the Battery Pack" on page 88. Chapter 4 87 If any of these devices do the following: • Replace the System board. • If the problem is not corrected, see "Undetermined Problems" on page 102. • If the...
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...applied to the touchpad pointer. Reconnect the touchpad cables. 2. After you make changes in the computer. Others may indicate a problem with a device, such as the way it return to be replaced when servicing a computer. If the charge indicator still ...Problems" on the screen and the error symptoms classified by function. To check the battery charge operation, use the touchpad, the pointer drifts on recharging or discharging. Remove the battery pack and measure the voltage between battery terminals 1(+) and 6(ground). 3. If the symptom is on the screen for a short time. In Power...
...applied to the touchpad pointer. Reconnect the touchpad cables. 2. After you make changes in the computer. Others may indicate a problem with a device, such as the way it return to be replaced when servicing a computer. If the charge indicator still ...Problems" on the screen and the error symptoms classified by function. To check the battery charge operation, use the touchpad, the pointer drifts on recharging or discharging. Remove the battery pack and measure the voltage between battery terminals 1(+) and 6(ground). 3. If the symptom is on the screen for a short time. In Power...
Acer Aspire 7540 Service Guide
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...Device System board Keyboard/Touchpad-Related Symptoms Symptom / Error Keyboard (one or more keys) does not work correctly Print problems. Serial or parallel port device problems. Action in Sequence See "Save to execute "Load Default Settings", then reboot system. Keyboard System board Reconnect touchpad ...BIOS Setup Utility to Disk (S4)" on page 26. Touchpad board System board Chapter 4 99 Refresh battery (continue use battery until power off, then charge battery). System hangs intermittently. Press Fn+F5, LCD/CRT/Both display switching System board System board Onboard Devices ...
...Device System board Keyboard/Touchpad-Related Symptoms Symptom / Error Keyboard (one or more keys) does not work correctly Print problems. Serial or parallel port device problems. Action in Sequence See "Save to execute "Load Default Settings", then reboot system. Keyboard System board Reconnect touchpad ...BIOS Setup Utility to Disk (S4)" on page 26. Touchpad board System board Chapter 4 99 Refresh battery (continue use battery until power off, then charge battery). System hangs intermittently. Press Fn+F5, LCD/CRT/Both display switching System board System board Onboard Devices ...
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... the problem remains, replace the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery pack • Hard disk drive • DIMM • CD-ROM/Diskette drive Module • PC Cards 4. Power-off the computer. 2. If the problem does ...8226; LCD assembly 102 Chapter 4 NOTE: Verify that the power supply being used at a time until you find the failing FRU. 7. NOTE: Verify that all of the failure is inoperative. Undetermined Problems The diagnostic problems does not identify which adapter or device failed, which installed...
... the problem remains, replace the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery pack • Hard disk drive • DIMM • CD-ROM/Diskette drive Module • PC Cards 4. Power-off the computer. 2. If the problem does ...8226; LCD assembly 102 Chapter 4 NOTE: Verify that the power supply being used at a time until you find the failing FRU. 7. NOTE: Verify that all of the failure is inoperative. Undetermined Problems The diagnostic problems does not identify which adapter or device failed, which installed...
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... 107 BIOS Recovery by Crisis Disk 107 steps 107 BIOS Recovery Hotkey 107 BIOS Utility 27-39 Navigating 28 System Security 38 block diagram Aspire 7540 Series 5 Aspire 7738/7738G Series and 7735/7735G/ 7735Z/7735ZG Series 4 bluetooth board removing 72 button/indicator Bluetooth 11 Wireless LAN 11 buttons easy-launch 11... up 15 display 15 Screen blank 15 speaker 15 System property 15 volume down 15 volume up 15 HW Gap position 105 I indicator battery 10 power-on 10 Indicators 10 Intermittent Problems 101 K Key Special 15 key Backup 11 177
... 107 BIOS Recovery by Crisis Disk 107 steps 107 BIOS Recovery Hotkey 107 BIOS Utility 27-39 Navigating 28 System Security 38 block diagram Aspire 7540 Series 5 Aspire 7738/7738G Series and 7735/7735G/ 7735Z/7735ZG Series 4 bluetooth board removing 72 button/indicator Bluetooth 11 Wireless LAN 11 buttons easy-launch 11... up 15 display 15 Screen blank 15 speaker 15 System property 15 volume down 15 volume up 15 HW Gap position 105 I indicator battery 10 power-on 10 Indicators 10 Intermittent Problems 101 K Key Special 15 key Backup 11 177
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... tour 6 num lock on indicator 7 O Online Support Information 175 P password changing 35 removing 35 setting 34 178 Power Adapter Check 87 Power System Check 87 Battery Pack 88 Power-On Self-Test (POST) Error Message 88 Processor 19 S Screw List 42 System 4 Block Diagram 4 System Check ...Procedures 86 System Memory 19 System Utilities 17, 27 System utilities Acer GridVista 18 T Test Compatible Components 171 touchpad using 11 Touchpad Check 88 Troubleshooting 85 U Undetermined Problems...
... tour 6 num lock on indicator 7 O Online Support Information 175 P password changing 35 removing 35 setting 34 178 Power Adapter Check 87 Power System Check 87 Battery Pack 88 Power-On Self-Test (POST) Error Message 88 Processor 19 S Screw List 42 System 4 Block Diagram 4 System Check ...Procedures 86 System Memory 19 System Utilities 17, 27 System utilities Acer GridVista 18 T Test Compatible Components 171 touchpad using 11 Touchpad Check 88 Troubleshooting 85 U Undetermined Problems...