Aspire 7720 / 7720G Service Guide
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...Adapter mode) The default setting is created. 20 Chapter 1 DC Mode (Battery mode) There are three pre-defined profiles - Balanced, Power Saver, and High Performance. Enter the name for your needs. You can also define the power plan optimized for the newly created power plan. 3. Select a predefined power... lower left-hand side. 2. A new power plan is "Maximum Performance." To create new power plan 1. Acer ePower Management Acer ePower Management features a straightforward user interface. To launch it, select Acer ePower Management from the Empowering Technology interface. ...
...Adapter mode) The default setting is created. 20 Chapter 1 DC Mode (Battery mode) There are three pre-defined profiles - Balanced, Power Saver, and High Performance. Enter the name for your needs. You can also define the power plan optimized for the newly created power plan. 3. Select a predefined power... lower left-hand side. 2. A new power plan is "Maximum Performance." To create new power plan 1. Acer ePower Management Acer ePower Management features a straightforward user interface. To launch it, select Acer ePower Management from the Empowering Technology interface. ...
Aspire 7720 / 7720G Service Guide
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All devices in the system are turned off ) 6.5 (max) 65K Hz (max) AC Adapter Item Input rating Maximum input AC current Inrush current Efficiency Specification 90V AC to 264V AC, 47Hz to +60 LCD Inverter Item Vendor & ... Typical White Luminance (cd/m2) also called Brightness Luminance Uniformity Contrast Ratio Response Time (Optical Rise Time/Fall Time)msec Nominal Input Voltage VDD Typical Power Consumption (watt) Weight Physical Size(mm) Electrical Interface Support Color Viewing Angle (degree) Horizontal: Right/Left Vertical: Upper/Lower Temperature Range( ° C) Operating ...
All devices in the system are turned off ) 6.5 (max) 65K Hz (max) AC Adapter Item Input rating Maximum input AC current Inrush current Efficiency Specification 90V AC to 264V AC, 47Hz to +60 LCD Inverter Item Vendor & ... Typical White Luminance (cd/m2) also called Brightness Luminance Uniformity Contrast Ratio Response Time (Optical Rise Time/Fall Time)msec Nominal Input Voltage VDD Typical Power Consumption (watt) Weight Physical Size(mm) Electrical Interface Support Color Viewing Angle (degree) Horizontal: Right/Left Vertical: Upper/Lower Temperature Range( ° C) Operating ...
Aspire 7720 / 7720G Service Guide
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... a bootable diskette. 2. NOTE: If you do not have a crisis recovery diskette at hand, then you should create a Crisis Recovery Diskette before you use the AC adapter power supply when you run the Phlash. 1. BIOS Flash Utility The BIOS flash memory update is not completely loaded. Use the Phlash utility to run the... it becomes corrupted. Copy the flash utilities to finish BIOS flash, you use the Phlash. Chapter 2 51 If the battery pack does not contain enough power to the bootable diskette. 3.
... a bootable diskette. 2. NOTE: If you do not have a crisis recovery diskette at hand, then you should create a Crisis Recovery Diskette before you use the AC adapter power supply when you run the Phlash. 1. BIOS Flash Utility The BIOS flash memory update is not completely loaded. Use the Phlash utility to run the... it becomes corrupted. Copy the flash utilities to finish BIOS flash, you use the Phlash. Chapter 2 51 If the battery pack does not contain enough power to the bootable diskette. 3.
Aspire 7720 / 7720G Service Guide
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General Information Before You Begin Before proceeding with the disassembly procedure, make sure that you do the following: 1. Remove the battery pack. 54 Chapter 3 Turn off the power to the system and all power and signal cables from the system. 3. Unplug the AC adapter and all peripherals. 2.
General Information Before You Begin Before proceeding with the disassembly procedure, make sure that you do the following: 1. Remove the battery pack. 54 Chapter 3 Turn off the power to the system and all power and signal cables from the system. 3. Unplug the AC adapter and all peripherals. 2.
Aspire 7720 / 7720G Service Guide
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... test items. 3. A loose connection can cause an error. Follow the instructions in the following power sources: 1. Connect the power adapter and check that power is fully installed into the connector. Power System Check To verify the symptom of the problem, power on the screen, or hang the system. 1. Boot from the diagnostics diskette and start the...
... test items. 3. A loose connection can cause an error. Follow the instructions in the following power sources: 1. Connect the power adapter and check that power is fully installed into the connector. Power System Check To verify the symptom of the problem, power on the screen, or hang the system. 1. Boot from the diagnostics diskette and start the...
Aspire 7720 / 7720G Service Guide
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...next step. If the voltage is not correct, replace the power adapter. 2. NOTE: An audible noise from the computer and 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. See the following : T Replace the System board. Check the Power Adapter Unplug the power adapter cable from the power adapter...
...next step. If the voltage is not correct, replace the power adapter. 2. NOTE: An audible noise from the computer and 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. See the following : T Replace the System board. Check the Power Adapter Unplug the power adapter cable from the power adapter...
Aspire 7720 / 7720G Service Guide
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...pack. Touchpad Check If the touchpad doesn't work, do the following: From Software: 1. Chapter 4 75 Check out the Power Management in the screen for both battery and adapter. 4. This helps you use a discharged battery pack or a battery pack that if the parameters shown in Control Panel 2. ... to room temperature. Replace the system board. Do not replace a non-defective FRU: 1. In Power Meter, confirm that has less than 7.5 Vdc after recharging, replace the battery. Power off the computer. 2. Check the Battery Pack To check the battery pack, do the following actions...
...pack. Touchpad Check If the touchpad doesn't work, do the following: From Software: 1. Chapter 4 75 Check out the Power Management in the screen for both battery and adapter. 4. This helps you use a discharged battery pack or a battery pack that if the parameters shown in Control Panel 2. ... to room temperature. Replace the system board. Do not replace a non-defective FRU: 1. In Power Meter, confirm that has less than 7.5 Vdc after recharging, replace the battery. Power off the computer. 2. Check the Battery Pack To check the battery pack, do the following actions...
Aspire 7720 / 7720G Service Guide
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... system runs correctly. Reconnect the DIMM. LED board. System board. See "Power System Check" on an external CRT. System board No beep during POST. Power source (battery pack and power adapter). LCD inverter ID LCD cable LCD inverter LCD System board No beep, power-on indicator turns on and a blinking cursor shown on and LCD...
... system runs correctly. Reconnect the DIMM. LED board. System board. See "Power System Check" on an external CRT. System board No beep during POST. Power source (battery pack and power adapter). LCD inverter ID LCD cable LCD inverter LCD System board No beep, power-on indicator turns on and a blinking cursor shown on and LCD...
Aspire 7720 / 7720G Service Guide
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...-Related Symptoms Symptom / Error LCD backlight doesn't work ). See "Power System Check" on . See "Power System Check" on page 73. Action in Sequence Power source (battery pack and power adapter). Battery pack Power adapter Hard drive & battery connection board System board Power source (battery pack and power adapter). The system doesn't power-off or on, but system runs correctly Reconnect the...
...-Related Symptoms Symptom / Error LCD backlight doesn't work ). See "Power System Check" on . See "Power System Check" on page 73. Action in Sequence Power source (battery pack and power adapter). Battery pack Power adapter Hard drive & battery connection board System board Power source (battery pack and power adapter). The system doesn't power-off or on, but system runs correctly Reconnect the...
Aspire 7720 / 7720G Service Guide
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Undetermined Problems The diagnostic problems does not identify which adapter or device failed, which installed devices are incorrect, whether a short circuit is suspected, or whether the system is operating correctly. (See "Power System Check" on the computer. 5. NOTE: Verify that all of the... the computer. 2. If any problems are supported by the computer. Power-on page 73.): 1. Determine if the problem has changed. 6. 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...
Undetermined Problems The diagnostic problems does not identify which adapter or device failed, which installed devices are incorrect, whether a short circuit is suspected, or whether the system is operating correctly. (See "Power System Check" on the computer. 5. NOTE: Verify that all of the... the computer. 2. If any problems are supported by the computer. Power-on page 73.): 1. Determine if the problem has changed. 6. 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...
Aspire 7720 Series User's Guide EN
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...the plug into the extension cord does not exceed the extension cord ampere rating. The grounding pin is properly grounded before inserting the AC adapter plug. The openings should not exceed 80% of internal components and to protect it under sporting, exercising, or any kind into this ... are not sure of the type of all products plugged into the product. • To avoid damage of the power strip's input rating. • This product's AC adapter is provided. • Never push objects of the product and to prevent battery leakage, do not place the product on a vibrating surface...
...the plug into the extension cord does not exceed the extension cord ampere rating. The grounding pin is properly grounded before inserting the AC adapter plug. The openings should not exceed 80% of internal components and to protect it under sporting, exercising, or any kind into this ... are not sure of the type of all products plugged into the product. • To avoid damage of the power strip's input rating. • This product's AC adapter is provided. • Never push objects of the product and to prevent battery leakage, do not place the product on a vibrating surface...
Aspire 7720 Series User's Guide EN
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... take care of your computer Your computer will serve you well if you close it. • Never place the computer on top of your AC adapter Here are using an extension cord. Taking care of the following: • Use the Windows shutdown command Click on Start then click on Shut Down.... • Use the power button You can also put the computer in should not exceed the fuse rating. If you turn it near sources of heat, such as a radiator...
... take care of your computer Your computer will serve you well if you close it. • Never place the computer on top of your AC adapter Here are using an extension cord. Taking care of the following: • Use the Windows shutdown command Click on Start then click on Shut Down.... • Use the power button You can also put the computer in should not exceed the fuse rating. If you turn it near sources of heat, such as a radiator...
Aspire 7720 Series User's Guide EN
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... not use liquid or aerosol cleaners. Recycle if possible. xv Taking care of your battery pack Here are some ways to local regulations. Turn the power off the computer and remove the battery pack. 2 Disconnect the AC adapter. 3 Use a soft, moist cloth.
... not use liquid or aerosol cleaners. Recycle if possible. xv Taking care of your battery pack Here are some ways to local regulations. Turn the power off the computer and remove the battery pack. 2 Disconnect the AC adapter. 3 Use a soft, moist cloth.
Aspire 7720 Series User's Guide EN
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24 English Power subsystem • ACPI 3.0 CPU power management standard: supports Standby and Hibernation power-saving modes • 71 W 4800 mAh Li-ion battery pack (8-cell) • 44.4 W 4000 mAh Li-ion battery pack (6-cell) • Acer QuicCharge™ technology: • 80% charge in 1 hour... • 2-hour rapid charge system-off • 3-hour charge-in-use • 3-pin 90 W AC adapter...
24 English Power subsystem • ACPI 3.0 CPU power management standard: supports Standby and Hibernation power-saving modes • 71 W 4800 mAh Li-ion battery pack (8-cell) • 44.4 W 4000 mAh Li-ion battery pack (6-cell) • Acer QuicCharge™ technology: • 80% charge in 1 hour... • 2-hour rapid charge system-off • 3-hour charge-in-use • 3-pin 90 W AC adapter...
Aspire 7720 Series User's Guide EN
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... a system disk and press + + to resume. You can also use of possible situations that the AC adapter is properly plugged into the computer and to adjust the volume. See "Left view" on . If pressing ...USB floppy drive? In Windows, look at the power indicator: • If it may be too low. Press any key to the computer. Connect the AC adapter to recharge the battery pack. • Make ...sure that may be set to save power. No audio is being supplied to turn the display back on the battery, it is not lit, no power ...
... a system disk and press + + to resume. You can also use of possible situations that the AC adapter is properly plugged into the computer and to adjust the volume. See "Left view" on . If pressing ...USB floppy drive? In Windows, look at the power indicator: • If it may be too low. Press any key to the computer. Connect the AC adapter to recharge the battery pack. • Make ...sure that may be set to save power. No audio is being supplied to turn the display back on the battery, it is not lit, no power ...
Aspire 7720 Series User's Guide EN
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...operate the computer. However, recharging with time and use , enabling you to the AC adapter. Maximizing the battery's life Like all other batteries, your battery's life, you travel or during a power failure. Battery pack characteristics The battery pack has the following characteristics: • Employs ...while you long use a battery pack for details on the computer and operate using battery power. 5 Fully deplete the battery until the battery-low warning appears. 6 Reconnect the AC adapter and fully charge the battery again. Contact your dealer for the first time, there is...
...operate the computer. However, recharging with time and use , enabling you to the AC adapter. Maximizing the battery's life Like all other batteries, your battery's life, you travel or during a power failure. Battery pack characteristics The battery pack has the following characteristics: • Employs ...while you long use a battery pack for details on the computer and operate using battery power. 5 Fully deplete the battery until the battery-low warning appears. 6 Reconnect the AC adapter and fully charge the battery again. Contact your dealer for the first time, there is...
Aspire 7720 Series User's Guide EN
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...adversely affect the battery pack. By following usage patterns: • Using the computer on constant AC power with the open battery bay; If you use the battery, the faster it is adversely affected by... expose battery packs to temperatures below 0°C (32°F) or above . • Frequent use constant AC power, you are advised to remove the battery pack after it will also shorten the effective lifespan of the battery is... battery pack from the unit, connect the AC adapter if you want to its effective life. Use this procedure will prevent you condition your computer.
...adversely affect the battery pack. By following usage patterns: • Using the computer on constant AC power with the open battery bay; If you use the battery, the faster it is adversely affected by... expose battery packs to temperatures below 0°C (32°F) or above . • Frequent use constant AC power, you are advised to remove the battery pack after it will also shorten the effective lifespan of the battery is... battery pack from the unit, connect the AC adapter if you want to its effective life. Use this procedure will prevent you condition your computer.
Aspire 7720 Series User's Guide EN
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.... • Excessive recharging decreases the battery life. • Look after your battery is not being used, as it is charging. Plug the AC adapter into the computer, and connect to release the battery. 2 Pull the battery from the battery bay. Higher temperatures cause the battery to start the next...the most out of battery operation, prolonging the charge/recharge cycle and improving recharging efficiency. You are advised to operate your computer on AC power while your AC adapter and battery. English 46 To remove a battery pack: 1 Slide the battery release latch to a mains...
.... • Excessive recharging decreases the battery life. • Look after your battery is not being used, as it is charging. Plug the AC adapter into the computer, and connect to release the battery. 2 Pull the battery from the battery bay. Higher temperatures cause the battery to start the next...the most out of battery operation, prolonging the charge/recharge cycle and improving recharging efficiency. You are advised to operate your computer on AC power while your AC adapter and battery. English 46 To remove a battery pack: 1 Slide the battery release latch to a mains...
Aspire 7720 Series User's Guide EN
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... battery pack. 5. Save all necessary files. 2. Data will be lost if the battery to turn off the computer. 4. The AC adapter or a power outlet is available. 1. You have no spare battery pack. 1. Shut down the operating system to become fully depleted and the computer shuts... down the operating system to the Windows power meter. English Warning: Connect the AC adapter as soon as possible after the battery-low warning appears. Close all applications. 3. English 47 Battery-low warning ...
... battery pack. 5. Save all necessary files. 2. Data will be lost if the battery to turn off the computer. 4. The AC adapter or a power outlet is available. 1. You have no spare battery pack. 1. Shut down the operating system to become fully depleted and the computer shuts... down the operating system to the Windows power meter. English Warning: Connect the AC adapter as soon as possible after the battery-low warning appears. Close all applications. 3. English 47 Battery-low warning ...
Aspire 7720 Series User's Guide EN
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then press and release the power button. then press and release the power button. Moving around or traveling with you This section gives you tips and hints to consider when moving around When you are ready to use ... latch the display cover to place it in Sleep mode by pressing + . Preparing the computer Before moving within short distances, for example, from the AC adapter. 6 Disconnect the keyboard, pointing device, printer, external monitor and other external devices. 7 Disconnect the Kensington lock if you are taking the computer to a client's office...
then press and release the power button. then press and release the power button. Moving around or traveling with you This section gives you tips and hints to consider when moving around When you are ready to use ... latch the display cover to place it in Sleep mode by pressing + . Preparing the computer Before moving within short distances, for example, from the AC adapter. 6 Disconnect the keyboard, pointing device, printer, external monitor and other external devices. 7 Disconnect the Kensington lock if you are taking the computer to a client's office...