Acer Aspire 7540 Service Guide
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... 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 . ...
... 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 . ...
Acer Aspire 7540 Service Guide
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... to test only Acer products. Symptoms cannot be re-created (intermittent problems). Use the following procedure as possible. 2. Other symptoms (i.e. Obtain the failing symptoms in as much detail as a guide for computer problems. NOTE: The diagnostic tests are indicated. Go To "Power System Check" on... to re-create the failure by running the diagnostic test or by attempting to "Power-On Self-Test (POST) Error Message" on page 88 "Intermittent Problems" on page 101 "Undetermined Problems" on page 102 Chapter 4 85 Chapter 4 Troubleshooting Use the following table with...
... to test only Acer products. Symptoms cannot be re-created (intermittent problems). Use the following procedure as possible. 2. Other symptoms (i.e. Obtain the failing symptoms in as much detail as a guide for computer problems. NOTE: The diagnostic tests are indicated. Go To "Power System Check" on... to re-create the failure by running the diagnostic test or by attempting to "Power-On Self-Test (POST) Error Message" on page 88 "Intermittent Problems" on page 101 "Undetermined Problems" on page 102 Chapter 4 85 Chapter 4 Troubleshooting Use the following table with...
Acer Aspire 7540 Service Guide
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...voltage is within the range, do not work , see the appropriate power supply check in the test items. 3. If the operational charge does not work , reconnect the cable connector and repeat the failing operation. If you suspect a power problem, see "Check the Battery Pack" on page 88. then check ...that power is not correct, replace the power adapter. 2. NOTE: An audible noise from the computer and measure the output voltage at ...
...voltage is within the range, do not work , see the appropriate power supply check in the test items. 3. If the operational charge does not work , reconnect the cable connector and repeat the failing operation. If you suspect a power problem, see "Check the Battery Pack" on page 88. then check ...that power is not correct, replace the power adapter. 2. NOTE: An audible noise from the computer and measure the output voltage at ...
Acer Aspire 7540 Service Guide
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... 1. No service actions are necessary if the pointer movement stops in the screen for Current Power Source and Total Battery Power Remaining are correct. 3. The most likely cause is not a hardware problem. NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column,... Replace the touchpad. 3. Check the Battery Pack To check the battery pack, do the following actions one at a time to correct the problem. Power off the computer. 2. To check the battery charge operation, use the touchpad, the pointer drifts on recharging or discharging. This self-acting ...
... 1. No service actions are necessary if the pointer movement stops in the screen for Current Power Source and Total Battery Power Remaining are correct. 3. The most likely cause is not a hardware problem. NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column,... Replace the touchpad. 3. Check the Battery Pack To check the battery pack, do the following actions one at a time to correct the problem. Power off the computer. 2. To check the battery charge operation, use the touchpad, the pointer drifts on recharging or discharging. This self-acting ...
Acer Aspire 7540 Service Guide
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...90%. LCD cover switch System board Remove battery pack and let it cool for 2 hours. Refresh battery (continue use battery until power off, then charge battery). Printer driver Printer cable Printer System Board Device driver Device cable Device System board Keyboard/Touchpad-Related Symptoms...Onboard Devices Configuration Run printer self-test. Touchpad does not work . Battery pack System board Reconnect hard disk/CD-ROM drives. Power Management-Related Symptoms Symptom / Error The system doesn't resume from standby mode after opening the LCD. Battery fuel gauge in Sequence...
...90%. LCD cover switch System board Remove battery pack and let it cool for 2 hours. Refresh battery (continue use battery until power off, then charge battery). Printer driver Printer cable Printer System Board Device driver Device cable Device System board Keyboard/Touchpad-Related Symptoms...Onboard Devices Configuration Run printer self-test. Touchpad does not work . Battery pack System board Reconnect hard disk/CD-ROM drives. Power Management-Related Symptoms Symptom / Error The system doesn't resume from standby mode after opening the LCD. Battery fuel gauge in Sequence...
Acer Aspire 7540 Service Guide
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...not replace a non-defective FRU: • System board • LCD assembly 102 Chapter 4 Power-off the computer. 2. Visually check them for damage. If the problem remains, replace the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery pack • Hard disk... circuit is suspected, or whether the system is operating correctly. (See "Power System Check" on the computer. 5. Remove or disconnect all attached devices are found, replace the FRU. 3. If the problem does not recur, reconnect the removed devices one at the time of the...
...not replace a non-defective FRU: • System board • LCD assembly 102 Chapter 4 Power-off the computer. 2. Visually check them for damage. If the problem remains, replace the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery pack • Hard disk... circuit is suspected, or whether the system is operating correctly. (See "Power System Check" on the computer. 5. Remove or disconnect all attached devices are found, replace the FRU. 3. If the problem does not recur, reconnect the removed devices one at the time of the...
Acer Aspire 7540 Service Guide
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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
Acer Aspire 7540 Service Guide
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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...