Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide
Page 4
Alerts you to do specific actions relevant to the accomplishment of additional information related to any damage that appear on screen. IV Conventions The following conventions are used in this manual: SCREEN MESSAGES Denotes actual messages that might result from doing or not doing specific actions. NOTE WARNING CAUTION IMPORTANT Gives bits and pieces of procedures. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to the current topic.
Alerts you to do specific actions relevant to the accomplishment of additional information related to any damage that appear on screen. IV Conventions The following conventions are used in this manual: SCREEN MESSAGES Denotes actual messages that might result from doing or not doing specific actions. NOTE WARNING CAUTION IMPORTANT Gives bits and pieces of procedures. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to the current topic.
Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide
Page 8
... 92 Index of Error Messages 93 Phoenix BIOS Beep Codes 97 Index of Symptom-to-FRU Error Message 101 Intermittent Problems 104 Undetermined Problems 104 Connector Locations 105 Main Board 105 Clearing Password Check and BIOS Recovery 107 Clearing Password Check 107 BIOS Recovery... by Crisis Disk 108 FRU (Field Replaceable Unit) List 113 Exploded Diagram 114 Model Definition and Configuration 125 Aspire 7740/7740G Series...
... 92 Index of Error Messages 93 Phoenix BIOS Beep Codes 97 Index of Symptom-to-FRU Error Message 101 Intermittent Problems 104 Undetermined Problems 104 Connector Locations 105 Main Board 105 Clearing Password Check and BIOS Recovery 107 Clearing Password Check 107 BIOS Recovery... by Crisis Disk 108 FRU (Field Replaceable Unit) List 113 Exploded Diagram 114 Model Definition and Configuration 125 Aspire 7740/7740G Series...
Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide
Page 31
... without entering BIOS SETUP Utility. In this utility. To activate the BIOS Utility, press F2 during POST to "disabled". Press F2 to Chapter 4 Troubleshooting when problem arises. Your computer is prompted on the bottom of F12 Boot Menu is a hardware configuration program built into your computer's BIOS (Basic Input/ Output System...
... without entering BIOS SETUP Utility. In this utility. To activate the BIOS Utility, press F2 during POST to "disabled". Press F2 to Chapter 4 Troubleshooting when problem arises. Your computer is prompted on the bottom of F12 Boot Menu is a hardware configuration program built into your computer's BIOS (Basic Input/ Output System...
Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide
Page 41
Select "2" 3. Chapter 2 33 Key in "0KJFN42" or "UVEIQ96" as your HDD user password. Choose one of the uppercase strings • Reboot the system and key in "hdd_pw 15494 0" 2. See the image below. • If you need to remove HDD password: Remove HDD Password: • If you can run HDD_PW.EXE 1. Remove HDD Password This section teaches you how to solve HDD password locked problem, you key in the wrong HDD password thrice, "HDD password error code" will appear on the screen.
Select "2" 3. Chapter 2 33 Key in "0KJFN42" or "UVEIQ96" as your HDD user password. Choose one of the uppercase strings • Reboot the system and key in "hdd_pw 15494 0" 2. See the image below. • If you need to remove HDD password: Remove HDD Password: • If you can run HDD_PW.EXE 1. Remove HDD Password This section teaches you how to solve HDD password locked problem, you key in the wrong HDD password thrice, "HDD password error code" will appear on the screen.
Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide
Page 95
... 92 Use the customer-reported symptoms and go to test only Acer products. No beep or error codes are intended to "Power-On Self-Test (POST) Error Message" on page 92 "Intermittent Problems" on page 104 "Undetermined Problems" on page 91. LCD display problems or others). Chapter 4 Troubleshooting Use the following table with the...
... 92 Use the customer-reported symptoms and go to test only Acer products. No beep or error codes are intended to "Power-On Self-Test (POST) Error Message" on page 92 "Intermittent Problems" on page 104 "Undetermined Problems" on page 91. LCD display problems or others). Chapter 4 Troubleshooting Use the following table with the...
Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide
Page 96
...or cause the drive to CD-ROM Test. 3. Replace the keyboard. 3. External Optical Disk Drive Check Do the following to isolate the problem to select the test device. 1. Make sure that the flexible cable extending from the keyboard is passed as the program runs to be ...error still remains: 1. If the error still remains: 1. Replace the main board. If the tests detect a keyboard problem, do the following one label attached to correct the problem. Keyboard or Auxiliary Input Device Check Remove the external keyboard if the internal keyboard is correct, run the Keyboard Test...
...or cause the drive to CD-ROM Test. 3. Replace the keyboard. 3. External Optical Disk Drive Check Do the following to isolate the problem to select the test device. 1. Make sure that the flexible cable extending from the keyboard is passed as the program runs to be ...error still remains: 1. If the error still remains: 1. Replace the main board. If the tests detect a keyboard problem, do the following one label attached to correct the problem. Keyboard or Auxiliary Input Device Check Remove the external keyboard if the internal keyboard is correct, run the Keyboard Test...
Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide
Page 97
... on the computer using each of these devices do the following: • Replace the System board. • If the problem is not corrected, see "Undetermined Problems" on page 104. • If the voltage is not correct, go to the diagnostic memory in the following list: • "Check the ... page 92 Check the Power Adapter Unplug the power adapter cable from the power adapter does not always indicate a defect. 3. If you suspect a power problem, see "Check the Battery Pack" on the screen, or hang the system. 1. Chapter 4 91 Boot from the diagnostics diskette and start the diagnostic ...
... on the computer using each of these devices do the following: • Replace the System board. • If the problem is not corrected, see "Undetermined Problems" on page 104. • If the voltage is not correct, go to the diagnostic memory in the following list: • "Check the ... page 92 Check the Power Adapter Unplug the power adapter cable from the power adapter does not always indicate a defect. 3. If you suspect a power problem, see "Check the Battery Pack" on the screen, or hang the system. 1. Chapter 4 91 Boot from the diagnostics diskette and start the diagnostic ...
Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide
Page 98
... error. 92 Chapter 4 Re-install the battery pack. Reconnect the touchpad cables. 2. After you determine the next possible FRU to correct the problem. This self-acting pointer movement can also help you use a discharged battery pack or a battery pack that the BIOS displays on recharging or ...Check If the touchpad doesn't work, do the following lists the error messages that has less than 7.5 Vdc after you identify first the problem is applied to room temperature. Replace the system board. This index can occur when a slight, steady pressure is on the screen and the...
... error. 92 Chapter 4 Re-install the battery pack. Reconnect the touchpad cables. 2. After you determine the next possible FRU to correct the problem. This self-acting pointer movement can also help you use a discharged battery pack or a battery pack that the BIOS displays on recharging or ...Check If the touchpad doesn't work, do the following lists the error messages that has less than 7.5 Vdc after you identify first the problem is applied to room temperature. Replace the system board. This index can occur when a slight, steady pressure is on the screen and the...
Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide
Page 109
... Device driver Device cable 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 Disk (S4)" on page 21. Battery fuel gauge in Sequence Reconnect the keyboard cable. Battery pack...
... Device driver Device cable 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 Disk (S4)" on page 21. Battery fuel gauge in Sequence Reconnect the keyboard cable. Battery pack...
Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide
Page 110
... the computer. 5. Power-on page 104. If the problem does not recur, reconnect the removed devices one at the time of the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery pack • Hard disk drive • DIMM • CD-ROM/...NOTE: Verify that all of the failure is detected, do the following FRU one at least 10 times. 2. When analyzing an intermittent problem, do not replace any problems are no error is operating correctly. (See "Power System Check" on page 91.): 1. NOTE: Verify that the power supply being ...
... the computer. 5. Power-on page 104. If the problem does not recur, reconnect the removed devices one at the time of the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery pack • Hard disk drive • DIMM • CD-ROM/...NOTE: Verify that all of the failure is detected, do the following FRU one at least 10 times. 2. When analyzing an intermittent problem, do not replace any problems are no error is operating correctly. (See "Power System Check" on page 91.): 1. NOTE: Verify that the power supply being ...
Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide
Page 157
... website are: • Detailed information on all of Acer's Notebook, Desktop and Server models including: • Service guides for all the support services we have included an Acrobat File to facilitate the problem-free downloading of telephone, fax and email contacts for... a list of our technical material. These can download information on Acer's International Traveller's Warranty (ITW) • Returned material authorization procedures • An overview of all your local Acer branch office. Acer Branch Offices and Regional Business Units may access our website. Online ...
... website are: • Detailed information on all of Acer's Notebook, Desktop and Server models including: • Service guides for all the support services we have included an Acrobat File to facilitate the problem-free downloading of telephone, fax and email contacts for... a list of our technical material. These can download information on Acer's International Traveller's Warranty (ITW) • Returned material authorization procedures • An overview of all your local Acer branch office. Acer Branch Offices and Regional Business Units may access our website. Online ...
Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide
Page 159
... module removing 43 Hibernation mode hotkey 6 Hot Keys 10 hotkeys 6 HW Gap position 107 I Indicator HDD 9 indicator battery 9 power-on 9 Indicator/button power 9 Indicators 9 Intermittent Problems 104 K Key Special 11 key Backup 9 US dollar 11 Keyboard 10, 20 removing 53 keyboard hotkeys 6 Keyboard or Auxiliary Input Device Check 90 L 153
... module removing 43 Hibernation mode hotkey 6 Hot Keys 10 hotkeys 6 HW Gap position 107 I Indicator HDD 9 indicator battery 9 power-on 9 Indicator/button power 9 Indicators 9 Intermittent Problems 104 K Key Special 11 key Backup 9 US dollar 11 Keyboard 10, 20 removing 53 keyboard hotkeys 6 Keyboard or Auxiliary Input Device Check 90 L 153
Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide
Page 160
... 6 System 4 Block Diagram 4 System Check Procedures 90 System Memory 15 System Utilities 13, 23 System utilities Acer GridVista 13 T Test Compatible Components 147 touchpad and button boards removing 61 Touchpad Check 92 Troubleshooting 89 U Undetermined Problems 104 utility BIOS 23-34 V view bottom 8 front 7 left 7 rear 7 right 8 view front 5 W Windows 2000 Environment...
... 6 System 4 Block Diagram 4 System Check Procedures 90 System Memory 15 System Utilities 13, 23 System utilities Acer GridVista 13 T Test Compatible Components 147 touchpad and button boards removing 61 Touchpad Check 92 Troubleshooting 89 U Undetermined Problems 104 utility BIOS 23-34 V view bottom 8 front 7 left 7 rear 7 right 8 view front 5 W Windows 2000 Environment...