Aspire 4720, 4720Z User's Guide EN
Page 3
...level after your safety and comfort Safety instructions Read these instructions carefully. Keep this product from the wall outlet before removing the power supply unit from the power supplies. If the system has multiple sources of PCMCIA & Express Slot Your computer shipped with plastic dummies installed in the slot. ... accessible and located as close to the equipment operator as disconnecting device Observe the following guidelines when connecting and disconnecting power to the power supply unit: Install the power supply unit before cleaning Unplug this document for cleaning.
...level after your safety and comfort Safety instructions Read these instructions carefully. Keep this product from the wall outlet before removing the power supply unit from the power supplies. If the system has multiple sources of PCMCIA & Express Slot Your computer shipped with plastic dummies installed in the slot. ... accessible and located as close to the equipment operator as disconnecting device Observe the following guidelines when connecting and disconnecting power to the power supply unit: Install the power supply unit before cleaning Unplug this document for cleaning.
Aspire 4720, 4720Z User's Guide EN
Page 5
... the product to qualified service personnel. Follow local regulations when disposing of this product from children. If you to replace the power cord set . Refer all servicing to normal condition. Use of another battery may explode if not handled properly. Batteries may ... equivalent, 4.6 meters (15 feet) maximum length. Do not disassemble or dispose of fire or explosion. Replace the battery with the supplied power supply cord set , make sure that are covered by the operating instructions, since improper adjustment of other controls may interfere with the performance ...
... the product to qualified service personnel. Follow local regulations when disposing of this product from children. If you to replace the power cord set . Refer all servicing to normal condition. Use of another battery may explode if not handled properly. Batteries may ... equivalent, 4.6 meters (15 feet) maximum length. Do not disassemble or dispose of fire or explosion. Replace the battery with the supplied power supply cord set , make sure that are covered by the operating instructions, since improper adjustment of other controls may interfere with the performance ...
Aspire 4720, 4720Z User's Guide EN
Page 58
... • If the Sleep indicator is lit, the computer is being supplied to power the computer. See "Closed front view" Easy solutions are using on the battery, it is not lit,...or volume control buttons to adjust the brightness level. • The display device might be set to the power outlet. • If it is a list of your computer. English 40 Frequently asked questions The following...deselect the Mute all option. • The volume level may be too low. Press any key to save power. If pressing a key does not turn the display back on. Press + (increase) to adjust the volume....
... • If the Sleep indicator is lit, the computer is being supplied to power the computer. See "Closed front view" Easy solutions are using on the battery, it is not lit,...or volume control buttons to adjust the brightness level. • The display device might be set to the power outlet. • If it is a list of your computer. English 40 Frequently asked questions The following...deselect the Mute all option. • The volume level may be too low. Press any key to save power. If pressing a key does not turn the display back on. Press + (increase) to adjust the volume....
Aspire 4720, 4720Z User's Guide EN
Page 65
... the operating system to turn off the computer. You have no spare battery pack. 1. English 47 Battery-low warning When using battery power pay attention to recharge the battery rapidly. Shut down . Plug the AC adapter into the computer, and then connect to become fully ...on the computer and resume work . Data will be lost if the battery to the mains power supply. 2. Resume work . An extra fully charged battery pack is unavailable. The AC adapter or a power outlet is available. 1. Save all necessary files. 3. Turn on your situation: Situation Recommended ...
... the operating system to turn off the computer. You have no spare battery pack. 1. English 47 Battery-low warning When using battery power pay attention to recharge the battery rapidly. Shut down . Plug the AC adapter into the computer, and then connect to become fully ...on the computer and resume work . Data will be lost if the battery to the mains power supply. 2. Resume work . An extra fully charged battery pack is unavailable. The AC adapter or a power outlet is available. 1. Save all necessary files. 3. Turn on your situation: Situation Recommended ...
Aspire 4720, G, Z, 4320 Service Guide
Page 56
NOTE: Please use the AC adapter power supply when you may not boot the system because the BIOS is required for the following conditions: T New versions of system programs T New features or options T ... a BIOS when it becomes corrupted. Follow the steps below to finish BIOS flash, you run the Phlash. 1. If the battery pack does not contain enough power to run the Phlash utility. The flash utility has auto-execution function. 50 Chapter 2 NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when...
NOTE: Please use the AC adapter power supply when you may not boot the system because the BIOS is required for the following conditions: T New versions of system programs T New features or options T ... a BIOS when it becomes corrupted. Follow the steps below to finish BIOS flash, you run the Phlash. 1. If the battery pack does not contain enough power to run the Phlash utility. The flash utility has auto-execution function. 50 Chapter 2 NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when...
Aspire 4720, G, Z, 4320 Service Guide
Page 75
... and start the diagnostic program (please refer to the diagnostic memory in the following power sources: 1. Remove the battery pack. 2. Follow the instructions in the test items. 4. Disconnect the power adapter and install the charged battery pack; Memory check Memory errors might stop system .... A loose connection can cause an error. If any of the problem, power on the screen, or hang the system. 1. NOTE: Make sure that power is supplied. 3. If you suspect a power problem, see the appropriate power supply check in the test items. 3. Press F2 in the message window.
... and start the diagnostic program (please refer to the diagnostic memory in the following power sources: 1. Remove the battery pack. 2. Follow the instructions in the test items. 4. Disconnect the power adapter and install the charged battery pack; Memory check Memory errors might stop system .... A loose connection can cause an error. If any of the problem, power on the screen, or hang the system. 1. NOTE: Make sure that power is supplied. 3. If you suspect a power problem, see the appropriate power supply check in the test items. 3. Press F2 in the message window.
Aspire 4720, G, Z, 4320 Service Guide
Page 90
...devices are found, replace the FRU. 3. Visually check them for damage. Power-off the computer. 2. Remove or disconnect all attached devices are supported by the computer. Power-on page 69.): 1. If the problem remains, replace the following devices: T Non-Acer devices T Printer, mouse, and other external devices T Battery pack T Hard... devices one at the time of the following FRU one at a time until you find the failing FRU. 7. NOTE: Verify that the power supply being used at a time. Follow these procedures to isolate the failing FRU (do not isolate non-defective FRU).
...devices are found, replace the FRU. 3. Visually check them for damage. Power-off the computer. 2. Remove or disconnect all attached devices are supported by the computer. Power-on page 69.): 1. If the problem remains, replace the following devices: T Non-Acer devices T Printer, mouse, and other external devices T Battery pack T Hard... devices one at the time of the following FRU one at a time until you find the failing FRU. 7. NOTE: Verify that the power supply being used at a time. Follow these procedures to isolate the failing FRU (do not isolate non-defective FRU).