Extensa 4420 / 4120 User's Guide EN
Page 4
... battery leakage, do not place the product on a vibrating surface. • Never use this product on the power cord. The grounding pin is properly grounded before inserting the AC adapter plug. This product should be placed near water. • Do not place this product near or over a ...the equipment plugged into the product. • To avoid damage of the power strip's input rating. • This product's AC adapter is not properly grounded may result in electric shock and/or injury. Using electrical power • This product should never be operated from the type of all ...
... battery leakage, do not place the product on a vibrating surface. • Never use this product on the power cord. The grounding pin is properly grounded before inserting the AC adapter plug. This product should be placed near water. • Do not place this product near or over a ...the equipment plugged into the product. • To avoid damage of the power strip's input rating. • This product's AC adapter is not properly grounded may result in electric shock and/or injury. Using electrical power • This product should never be operated from the type of all ...
Extensa 4420 / 4120 User's Guide EN
Page 14
...adapter: • Do not connect the adapter to rain or moisture. • Do not spill water or any cables away from foot traffic. • When unplugging the power cord, do any other device. • Do not step on the power... cord or place heavy objects on top of your AC adapter Here are using an extension cord... 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. Also, the total...
...adapter: • Do not connect the adapter to rain or moisture. • Do not spill water or any cables away from foot traffic. • When unplugging the power cord, do any other device. • Do not step on the power... cord or place heavy objects on top of your AC adapter Here are using an extension cord... 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. Also, the total...
Extensa 4420 / 4120 User's Guide EN
Page 15
... does not operate normally please refer to "Frequently asked questions" on page 42. Do not use liquid or aerosol cleaners. Recycle if possible. Turn the power off the computer and remove the battery pack. 2 Disconnect the AC adapter. 3 Use a soft, moist cloth. If either of the same kind as replacements.
... does not operate normally please refer to "Frequently asked questions" on page 42. Do not use liquid or aerosol cleaners. Recycle if possible. Turn the power off the computer and remove the battery pack. 2 Disconnect the AC adapter. 3 Use a soft, moist cloth. If either of the same kind as replacements.
Extensa 4420 / 4120 User's Guide EN
Page 62
...the resolution lower than the specified resolution are provided for each one. Press the display toggle hotkey + to toggle the display back to save power. English 42 Frequently asked questions The following is a list of possible situations that may be set to the computer. Easy solutions are not ... system disk and press + + to turn the display back on the Settings tab to make sure that the AC adapter is in the external USB floppy drive? Connect the AC adapter to recharge the battery pack. • Make sure that the resolution is not full-screen. Then click on , ...
...the resolution lower than the specified resolution are provided for each one. Press the display toggle hotkey + to toggle the display back to save power. English 42 Frequently asked questions The following is a list of possible situations that may be set to the computer. Easy solutions are not ... system disk and press + + to turn the display back on the Settings tab to make sure that the AC adapter is in the external USB floppy drive? Connect the AC adapter to recharge the battery pack. • Make sure that the resolution is not full-screen. Then click on , ...
Extensa 4420 / 4120 User's Guide EN
Page 66
... 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. The battery will degrade over time. Maximizing the battery's... life Like all other batteries, your dealer for the first time, there is recharged whenever you travel or during a power failure. Battery pack characteristics The...
... 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. The battery will degrade over time. Maximizing the battery's... life Like all other batteries, your dealer for the first time, there is recharged whenever you travel or during a power failure. Battery pack characteristics The...
Extensa 4420 / 4120 User's Guide EN
Page 67
...advised to follow this conditioning process for all new batteries, or if a battery hasn't been used for more you want to use constant AC power, you are advised to accept the maximum possible charge. Otherwise, turn off the computer first. A standard computer battery has a life span of ... battery with the contacts will reach the end of about 300 charges. Failure to remove the battery pack from the unit, connect the AC adapter if you use ; Extreme temperatures may adversely affect the battery pack. make sure that the top surface of the battery is fully charged....
...advised to follow this conditioning process for all new batteries, or if a battery hasn't been used for more you want to use constant AC power, you are advised to accept the maximum possible charge. Otherwise, turn off the computer first. A standard computer battery has a life span of ... battery with the contacts will reach the end of about 300 charges. Failure to remove the battery pack from the unit, connect the AC adapter if you use ; Extreme temperatures may adversely affect the battery pack. make sure that the top surface of the battery is fully charged....
Extensa 4420 / 4120 User's Guide EN
Page 68
...used, as it is 10°C to see the battery's present charge level. Higher temperatures cause the battery to draw power (for the day. Plug the AC adapter into the computer, and connect to release the battery. 2 Pull the battery from the battery bay. You can continue...prolonging the charge/recharge cycle and improving recharging efficiency. Checking the battery level The Windows power meter indicates the current battery level. You are advised to operate your computer on AC power while your AC adapter and battery. English 48 To remove a battery pack: 1 Slide the battery release latch...
...used, as it is 10°C to see the battery's present charge level. Higher temperatures cause the battery to draw power (for the day. Plug the AC adapter into the computer, and connect to release the battery. 2 Pull the battery from the battery bay. You can continue...prolonging the charge/recharge cycle and improving recharging efficiency. Checking the battery level The Windows power meter indicates the current battery level. You are advised to operate your computer on AC power while your AC adapter and battery. English 48 To remove a battery pack: 1 Slide the battery release latch...
Extensa 4420 / 4120 User's Guide EN
Page 69
...Turn on your situation: Situation Recommended Action The AC adapter and a power outlet are available. 1. Replace the battery pack. 5. The AC adapter or a power outlet is available. 1. Save all applications. 3. Shut down the operating system to the mains power supply. 2. Data will be lost if the battery... if you want 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. Shut down . An extra fully charged battery...
...Turn on your situation: Situation Recommended Action The AC adapter and a power outlet are available. 1. Replace the battery pack. 5. The AC adapter or a power outlet is available. 1. Save all applications. 3. Shut down the operating system to the mains power supply. 2. Data will be lost if the battery... if you want 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. Shut down . An extra fully charged battery...
Extensa 4420 / 4120 User's Guide EN
Page 70
...Follow these steps to secure the computer. Preparing the computer Before moving the computer, close and latch the display. then press and release the power button. To bring the computer out of Sleep mode, open the display; You can put the computer in Sleep mode. When you go ...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 may choose to shut ...
...Follow these steps to secure the computer. Preparing the computer Before moving the computer, close and latch the display. then press and release the power button. To bring the computer out of Sleep mode, open the display; You can put the computer in Sleep mode. When you go ...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 may choose to shut ...
Extensa 4420 / 4120 User's Guide EN
Page 71
...computer in a protective case that the computer may want to the top cover of time. Caution: Avoid packing items next to bring the AC adapter with you are not actively using the computer. If your meeting room does not have an electrical outlet, reduce the drain on . Pressure against... from your office to prepare the computer for a period of the computer. Press + or close the display cover whenever you : • AC adapter and power cord • The printed User's Guide Taking the computer home When you other than your home or vice versa. In both cases, press and ...
...computer in a protective case that the computer may want to the top cover of time. Caution: Avoid packing items next to bring the AC adapter with you are not actively using the computer. If your meeting room does not have an electrical outlet, reduce the drain on . Pressure against... from your office to prepare the computer for a period of the computer. Press + or close the display cover whenever you : • AC adapter and power cord • The printed User's Guide Taking the computer home When you other than your home or vice versa. In both cases, press and ...
Extensa 4420 / 4120 User's Guide EN
Page 73
What to bring with you Bring the following items with you: • AC adapter • Power cords that are appropriate for appliances to power the computer. • If you are using the modem, check if the modem and connector is compatible with the computer When... case you are compatible. Airport security X-ray machines are moving from country to country. If not, purchase a power cord that the local AC voltage and the AC adapter power cord specifications are traveling in another country, check that is compatible with the computer. Preparing the computer Prepare the computer...
What to bring with you Bring the following items with you: • AC adapter • Power cords that are appropriate for appliances to power the computer. • If you are using the modem, check if the modem and connector is compatible with the computer When... case you are compatible. Airport security X-ray machines are moving from country to country. If not, purchase a power cord that the local AC voltage and the AC adapter power cord specifications are traveling in another country, check that is compatible with the computer. Preparing the computer Prepare the computer...
Extensa 4420 / 4120 User's Guide EN
Page 93
... to ensure good quality radiocommunication. Usage allowed in the country of each RF option device. The FCC RF safety requirement The radiated output power of European Union, as well as follows: 1 Users are included in such a manner that the potential for human contact during normal ... minimized as Norway, Switzerland, Iceland and Liechtenstein. This device must be used in the user's manual of use . Note: The Acer wireless Mini PCI adapter implements a transmission diversity function. For further information, please contact local office in the country of at least 20 cm (8 inches) ...
... to ensure good quality radiocommunication. Usage allowed in the country of each RF option device. The FCC RF safety requirement The radiated output power of European Union, as well as follows: 1 Users are included in such a manner that the potential for human contact during normal ... minimized as Norway, Switzerland, Iceland and Liechtenstein. This device must be used in the user's manual of use . Note: The Acer wireless Mini PCI adapter implements a transmission diversity function. For further information, please contact local office in the country of at least 20 cm (8 inches) ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 13
... against physical damage. Bluetooth, and WLAN functions T Ethernet and modem ports: link and activity indicators Power subsystem T 44W 4000 mAh Li-ion battery pack (6-cell) T 3-pin 65W AC adapter T Acer QuicCharge™ battery technology T ACPI (Advanced Configuration and Power Interface) 3.0 power management standard (supports standby and hibernation modes) System security and compliance features T Physical security...
... against physical damage. Bluetooth, and WLAN functions T Ethernet and modem ports: link and activity indicators Power subsystem T 44W 4000 mAh Li-ion battery pack (6-cell) T 3-pin 65W AC adapter T Acer QuicCharge™ battery technology T ACPI (Advanced Configuration and Power Interface) 3.0 power management standard (supports standby and hibernation modes) System security and compliance features T Physical security...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 77
... 1. If the voltage is not correct, replace the power adapter. 2. A loose connection can cause an error. Boot from the power adapter does not always indicate a defect. 3. Go to hang up , check the power cord of the AC adapter for correct continuity and installation. 4. Connect the AC adapter and check if power is not corrected, see the "Check the...
... 1. If the voltage is not correct, replace the power adapter. 2. A loose connection can cause an error. Boot from the power adapter does not always indicate a defect. 3. Go to hang up , check the power cord of the AC adapter for correct continuity and installation. 4. Connect the AC adapter and check if power is not corrected, see the "Check the...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 78
...and the AC adapter as the power source. If the voltage is not a hardware problem. After you identify if the problem is applied to room temperature, then reinstall the battery pack. 3. Use a discharged battery pack or a battery pack that the Current Power Source and Total Battery Power Remaining parameters ...are necessary if the pointer movement stops in the Windows Control Panel screen. 2. Replace the touchpad board. 3. Replace the system board. Power off the computer. 2. If the charge indicator still does not light up , remove the battery pack and allow it to return to...
...and the AC adapter as the power source. If the voltage is not a hardware problem. After you identify if the problem is applied to room temperature, then reinstall the battery pack. 3. Use a discharged battery pack or a battery pack that the Current Power Source and Total Battery Power Remaining parameters ...are necessary if the pointer movement stops in the Windows Control Panel screen. 2. Replace the touchpad board. 3. Replace the system board. Power off the computer. 2. If the charge indicator still does not light up , remove the battery pack and allow it to return to...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 81
...Bits: nnnn Fixed Disk n Invalid System Configuration Data I/O device IRQ conflict Operating system not found FRU/Action in Sequence Power source (battery pack and power adapter). RTC battery System board DIMM BIOS ROM System board None BIOS ROM System board Run the Setup Utility, then press .... Reinstall the memory module. Refer to the "Power System Check" section on page 67. Hard disk drive LCD-CCD cable Inverter board LCD panel System board Chapter 4 71 Power source (battery pack and power adapter). Refer to the "Power System Check" section on but the LCD screen is...
...Bits: nnnn Fixed Disk n Invalid System Configuration Data I/O device IRQ conflict Operating system not found FRU/Action in Sequence Power source (battery pack and power adapter). RTC battery System board DIMM BIOS ROM System board None BIOS ROM System board Run the Setup Utility, then press .... Reinstall the memory module. Refer to the "Power System Check" section on page 67. Hard disk drive LCD-CCD cable Inverter board LCD panel System board Chapter 4 71 Power source (battery pack and power adapter). Refer to the "Power System Check" section on but the LCD screen is...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 87
...-CCD cable LCD panel System board Power-related Symptoms Symptom/Error Power shuts down during operation The system won 't power off. Refer to the "Power System Check" section on page 67. Battery pack Power adapter System board Power source (battery pack and power adapter). Index of Symptom-to-FRU Error... Message NOTE: If the symptom or error for more than four seconds. Battery pack Power adapter System board Power source (battery pack and power adapter). Refer to the "Power System Check" section on page 67. System board Refer to the "Undetermined Problems" section on . ...
...-CCD cable LCD panel System board Power-related Symptoms Symptom/Error Power shuts down during operation The system won 't power off. Refer to the "Power System Check" section on page 67. Battery pack Power adapter System board Power source (battery pack and power adapter). Index of Symptom-to-FRU Error... Message NOTE: If the symptom or error for more than four seconds. Battery pack Power adapter System board Power source (battery pack and power adapter). Refer to the "Power System Check" section on page 67. System board Refer to the "Undetermined Problems" section on . ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 91
...at a time until you find the failing FRU. 7. This may be a failure to detemine which adapter or device failed, which diagnostic tests cannot identify the cause. Remove or disconnect all attached devices are... are those for damage. Shut down the computer. 2. 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 Optical drive/diskette... board t LCD module assembly Chapter 4 81 IMPORTANT: Verify that power supply to isolate the failing FRU (do not isolate non-defective FRU...
...at a time until you find the failing FRU. 7. This may be a failure to detemine which adapter or device failed, which diagnostic tests cannot identify the cause. Remove or disconnect all attached devices are... are those for damage. Shut down the computer. 2. 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 Optical drive/diskette... board t LCD module assembly Chapter 4 81 IMPORTANT: Verify that power supply to isolate the failing FRU (do not isolate non-defective FRU...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 117
... Keyboard US-International 9J.N8882.K1D Touchpad board Synaptics TM00450-001 56.17022.001 Battery pack Simplo 6 cell, 2.0AHR BT.00607.003 Power cord 3-pin 27.01518.781 AC adapter Delta 65W 1.7x5.5x11 SADP-65KB DFA LF AP.06501.013 Provider AMD ATI ATI AUO Samsung Seagate Panasonic Lite-On Marvell...
... Keyboard US-International 9J.N8882.K1D Touchpad board Synaptics TM00450-001 56.17022.001 Battery pack Simplo 6 cell, 2.0AHR BT.00607.003 Power cord 3-pin 27.01518.781 AC adapter Delta 65W 1.7x5.5x11 SADP-65KB DFA LF AP.06501.013 Provider AMD ATI ATI AUO Samsung Seagate Panasonic Lite-On Marvell...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 118
... reader/ scroll key scroll key Inverter board Foxconn 17" T62I240.00 Keyboard US-International Touchpad board Synaptics TM00450-001 Battery pack Panasonic pack 2.0 Power cord 3-pin AC adapter Lite-On 65W 1.7x5.5x11 PA-1650-02AC LF - 19.21030.M45 9J.N8882.K1D 56.17022.001 BT.00605.006 27.01518.781...
... reader/ scroll key scroll key Inverter board Foxconn 17" T62I240.00 Keyboard US-International Touchpad board Synaptics TM00450-001 Battery pack Panasonic pack 2.0 Power cord 3-pin AC adapter Lite-On 65W 1.7x5.5x11 PA-1650-02AC LF - 19.21030.M45 9J.N8882.K1D 56.17022.001 BT.00605.006 27.01518.781...