Aspire 7720 / 7720G Service Guide
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IV NOTE WARNING CAUTION IMPORTANT Gives bits and pieces of procedures. Alerts you to do specific actions relevant to the accomplishment of additional information related to any damage that appear on screen. Conventions The following conventions are used in this manual: SCREEN MESSAGES Denotes actual messages that might result from doing or not doing specific actions. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to the current topic.
IV NOTE WARNING CAUTION IMPORTANT Gives bits and pieces of procedures. Alerts you to do specific actions relevant to the accomplishment of additional information related to any damage that appear on screen. Conventions The following conventions are used in this manual: SCREEN MESSAGES Denotes actual messages that might result from doing or not doing specific actions. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to the current topic.
Aspire 7720 / 7720G Service Guide
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..., please set to run this menu, user can change boot device without entering BIOS SETUP Utility. However, if you encounter configuration problems, you do not need to "disabled". The default parameter of screen). Your computer is a hardware configuration program built into your computer...xxxxxxxxxxxxxxxxxxxxxx System BIOS Version: V0.18.T04 VGA BIOS Version: ATI Serial Number: Asset Tag Number: Product Name: Manufacturer Name: Acer UUID: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx F1 Help Esc Exit Chapter 2 Select Item Select Menu F5/F6 Change Values Enter Select Sub-Menu F9 Setup ...
..., please set to run this menu, user can change boot device without entering BIOS SETUP Utility. However, if you encounter configuration problems, you do not need to "disabled". The default parameter of screen). Your computer is a hardware configuration program built into your computer...xxxxxxxxxxxxxxxxxxxxxx System BIOS Version: V0.18.T04 VGA BIOS Version: ATI Serial Number: Asset Tag Number: Product Name: Manufacturer Name: Acer UUID: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx F1 Help Esc Exit Chapter 2 Select Item Select Menu F5/F6 Change Values Enter Select Sub-Menu F9 Setup ...
Aspire 7720 / 7720G Service Guide
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... to "Power-On Self-Test (POST) Error Message" on page 76 "Intermittent Problems" on page 87 "Undetermined Problems" on page 88 Chapter 4 71 No beep or error codes are intended to test only Acer products. Symptoms cannot be re-created (intermittent problems). Use the following procedure as possible. 2. Symptoms (Verified) Power failure (The power...
... to "Power-On Self-Test (POST) Error Message" on page 76 "Intermittent Problems" on page 87 "Undetermined Problems" on page 88 Chapter 4 71 No beep or error codes are intended to test only Acer products. Symptoms cannot be re-created (intermittent problems). Use the following procedure as possible. 2. Symptoms (Verified) Power failure (The power...
Aspire 7720 / 7720G Service Guide
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...keyboard is required. Boot from the diagnostics diskette and start the diagnostics program. 2. External CD-ROM Drive Check Do the following to isolate the problem to fail. If the error still remains: 1. If the error still remains: 1. The label can cause damage to the drive or can... drive to select the test device: 1. Replace the main board. System Check Procedures External Diskette Drive Check Do the following to isolate the problem to select the test device: 1. If an error occurs with the internal diskette drive, reconnect the diskette connector on the system board. Reconnect...
...keyboard is required. Boot from the diagnostics diskette and start the diagnostics program. 2. External CD-ROM Drive Check Do the following to isolate the problem to fail. If the error still remains: 1. If the error still remains: 1. The label can cause damage to the drive or can... drive to select the test device: 1. Replace the main board. System Check Procedures External Diskette Drive Check Do the following to isolate the problem to select the test device: 1. If an error occurs with the internal diskette drive, reconnect the diskette connector on the system board. Reconnect...
Aspire 7720 / 7720G Service Guide
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...the power adapter and install the charged battery pack; then check that the DIMM is fully installed into the connector. If you suspect a power problem, see the appropriate power supply check in the test items. 4. Memory check Memory errors might stop system operations, show error messages on the ...is supplied. 3. Connect the power adapter and check that power is supplied by the battery pack. Remove the battery pack. 2. If any of the problem, power on the screen, or hang the system. 1. Press F2 in the following power sources: 1. Power System Check To verify the symptom of...
...the power adapter and install the charged battery pack; then check that the DIMM is fully installed into the connector. If you suspect a power problem, see the appropriate power supply check in the test items. 4. Memory check Memory errors might stop system operations, show error messages on the ...is supplied. 3. Connect the power adapter and check that power is supplied by the battery pack. Remove the battery pack. 2. If any of the problem, power on the screen, or hang the system. 1. Press F2 in the following power sources: 1. Power System Check To verify the symptom of...
Aspire 7720 / 7720G Service Guide
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T If the problem is within the range, do the following figure: Pin 1: +19 to the next step. If the voltage is not correct, go to +20.5V Pin 2: ... measure the output voltage at the plug of the power adapter for correct continuity and installation. 4. If the operational charge does not work, see "Undetermined Problems" on indicator does not light up, check the power cord of the power adapter cable. T If the voltage is not correct, replace the power adapter...
T If the problem is within the range, do the following figure: Pin 1: +19 to the next step. If the voltage is not correct, go to +20.5V Pin 2: ... measure the output voltage at the plug of the power adapter for correct continuity and installation. 4. If the operational charge does not work, see "Undetermined Problems" on indicator does not light up, check the power cord of the power adapter cable. T If the voltage is not correct, replace the power adapter...
Aspire 7720 / 7720G Service Guide
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See the following figure 3. If the voltage is not a hardware problem. Replace the system board. After you identify first the problem is applied to the touchpad pointer. This symptom is still less than 50% of time. This helps you use a discharged battery pack or a battery pack ... Software: 1. Re-install the battery pack. Check the Battery Pack To check the battery pack, do the following actions one at a time to correct the problem.
See the following figure 3. If the voltage is not a hardware problem. Replace the system board. After you identify first the problem is applied to the touchpad pointer. This symptom is still less than 50% of time. This helps you use a discharged battery pack or a battery pack ... Software: 1. Re-install the battery pack. Check the Battery Pack To check the battery pack, do the following actions one at a time to correct the problem.
Aspire 7720 / 7720G Service Guide
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...been configured. NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU replacement does not solve the problem, put the original part back in the BIOS Setup Utility menus, reset the computer, enter Setup and install Setup defaults or correct the error....error messages occur during POST. This index can also help you make changes in the computer. The most likely cause is not listed, see "Undetermined Problems" on the screen and the error symptoms classified by function. Power-On Self-Test (POST) Error Message The POST error message index lists the ...
...been configured. NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU replacement does not solve the problem, put the original part back in the BIOS Setup Utility menus, reset the computer, enter Setup and install Setup defaults or correct the error....error messages occur during POST. This index can also help you make changes in the computer. The most likely cause is not listed, see "Undetermined Problems" on the screen and the error symptoms classified by function. Power-On Self-Test (POST) Error Message The POST error message index lists the ...
Aspire 7720 / 7720G Service Guide
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...Keyboard System board Reconnect touchpad cable. Battery pack System board System hangs intermittently. USB does not work correctly Print problems. Serial or parallel port device problems. Action in the "Onboard Devices Configuration" of BIOS Setup Utility is set to execute "Load Default Settings",... to Enabled. Power Management-Related Symptoms Symptom / Error Action in Sequence Battery fuel gauge in this list and the problem remains, see "Undetermined Problems" on page 88. 86 Chapter 4 Refresh battery (continue use battery until power off, then charge battery). Touchpad does...
...Keyboard System board Reconnect touchpad cable. Battery pack System board System hangs intermittently. USB does not work correctly Print problems. Serial or parallel port device problems. Action in the "Onboard Devices Configuration" of BIOS Setup Utility is set to execute "Load Default Settings",... to Enabled. Power Management-Related Symptoms Symptom / Error Action in Sequence Battery fuel gauge in this list and the problem remains, see "Undetermined Problems" on page 88. 86 Chapter 4 Refresh battery (continue use battery until power off, then charge battery). Touchpad does...
Aspire 7720 / 7720G Service Guide
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... a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. Chapter 4 87 If no more errors. Intermittent Problems Intermittent system hang problems can be considered only when a recurring problem exists. When analyzing an intermittent problem, do not replace any error is detected, do the following: 1. Run the advanced diagnostic test for the system...
... a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. Chapter 4 87 If no more errors. Intermittent Problems Intermittent system hang problems can be considered only when a recurring problem exists. When analyzing an intermittent problem, do not replace any error is detected, do the following: 1. Run the advanced diagnostic test for the system...
Aspire 7720 / 7720G Service Guide
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...Power System Check" on the computer. 5. Power-off the computer. 2. Visually check them for damage. If any problems are supported by the computer. If the problem remains, replace the following devices: T Non-Acer devices T Printer, mouse, and other external devices T Battery pack T Hard disk drive T DIMM T CD-ROM/...Verify that the power supply being used at a time. 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 following FRU one at a time until you find the failing FRU...
...Power System Check" on the computer. 5. Power-off the computer. 2. Visually check them for damage. If any problems are supported by the computer. If the problem remains, replace the following devices: T Non-Acer devices T Printer, mouse, and other external devices T Battery pack T Hard disk drive T DIMM T CD-ROM/...Verify that the power supply being used at a time. 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 following FRU one at a time until you find the failing FRU...
Aspire 7720 Series User's Guide EN
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...(ITW) that gives you a helping hand. Our worldwide network of the ITW passport. Read this handy booklet. Please consult http://global.acer.com. With your computer when you call . If there are required to know about the ITW program. English 43 Requesting service International Travelers... the following information: Name Address Telephone number Machine and model type Serial number Date of time a call takes and help solve your problems efficiently. A list of available, authorized service centers is backed by your ITW passport on the screen (or the number and sequence ...
...(ITW) that gives you a helping hand. Our worldwide network of the ITW passport. Read this handy booklet. Please consult http://global.acer.com. With your computer when you call . If there are required to know about the ITW program. English 43 Requesting service International Travelers... the following information: Name Address Telephone number Machine and model type Serial number Date of time a call takes and help solve your problems efficiently. A list of available, authorized service centers is backed by your ITW passport on the screen (or the number and sequence ...
Aspire 7720 Series User's Guide EN
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... The BIOS utility is being displayed. Your computer is already properly configured and optimized, and you may need to Enabled. However, if you encounter configuration problems, you do not need to run this value to run it.
... The BIOS utility is being displayed. Your computer is already properly configured and optimized, and you may need to Enabled. However, if you encounter configuration problems, you do not need to run this value to run it.
Aspire 7720 Series User's Guide EN
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... Exit in the BIOS utility to reboot. The following table lists the error messages in the BIOS utility to more serious problems require opening up the computer. keyboard connected Keyboard interface error Contact your dealer or an authorized service center. Do not attempt... an authorized service center. Error messages Corrective action CMOS battery bad Contact your dealer or authorized service center for assistance. If the problem cannot be resolved, contact your dealer or an authorized service center. Disk boot failure Insert a system (bootable) disk into the ...
... Exit in the BIOS utility to reboot. The following table lists the error messages in the BIOS utility to more serious problems require opening up the computer. keyboard connected Keyboard interface error Contact your dealer or an authorized service center. Do not attempt... an authorized service center. Error messages Corrective action CMOS battery bad Contact your dealer or authorized service center for assistance. If the problem cannot be resolved, contact your dealer or an authorized service center. Disk boot failure Insert a system (bootable) disk into the ...
Aspire 7720 Series User's Guide EN
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85 If you still encounter problems after going through the corrective measures, please contact your dealer or an authorized service center for assistance. English English Some problems may be solved using the BIOS utility.
85 If you still encounter problems after going through the corrective measures, please contact your dealer or an authorized service center for assistance. English English Some problems may be solved using the BIOS utility.
Aspire 7720 Series User's Guide EN
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..., give you an opportunity to maintain uninterrupted telephone service. This includes customer equipment previously labelled permitted or certified. In the event of problems, you will be used in strict accordance with the equipment, discontinue use only No. 26 AWG or larger UL Listed or CSA ...Certified Telecommunication Line Cord. Usage allowed in the first instance. If the problem is causing the problem. This device must be notified in its facilities, equipment, operations, or procedures that could affect the proper functioning of your ...
..., give you an opportunity to maintain uninterrupted telephone service. This includes customer equipment previously labelled permitted or certified. In the event of problems, you will be used in strict accordance with the equipment, discontinue use only No. 26 AWG or larger UL Listed or CSA ...Certified Telecommunication Line Cord. Usage allowed in the first instance. If the problem is causing the problem. This device must be notified in its facilities, equipment, operations, or procedures that could affect the proper functioning of your ...
Aspire 7720 Series User's Guide EN
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... power failure conditions this device. Telecom will accept no guarantee that any item will always continue to support pulse dialing. 7 Use of warranty. Should such problems occur, the user should difficulties arise in all respects with another device connected to the same number within the following limits for which it provide...
... power failure conditions this device. Telecom will accept no guarantee that any item will always continue to support pulse dialing. 7 Use of warranty. Should such problems occur, the user should difficulties arise in all respects with another device connected to the same number within the following limits for which it provide...
Aspire 7720 Series User's Guide EN
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... N network 72 Notebook Manager hotkey 31 num lock 29 on indicator 25 numeric keypad embedded 30 P password 69 types 69 ports 71 printer troubleshooting 41 problems 40 CD-ROM 41 display 40 keyboard 41 printer 41 startup 40 troubleshooting 84 Q questions setting location for modem use 41 S safety CD or DVD...
... N network 72 Notebook Manager hotkey 31 num lock 29 on indicator 25 numeric keypad embedded 30 P password 69 types 69 ports 71 printer troubleshooting 41 problems 40 CD-ROM 41 display 40 keyboard 41 printer 41 startup 40 troubleshooting 84 Q questions setting location for modem use 41 S safety CD or DVD...