Aspire 7720 / 7720G Service Guide
Page 57
BIOS Flash Utility The BIOS flash memory update is not completely loaded. If the battery pack does not contain enough power to run the Phlash utility. Prepare a bootable diskette. 2. NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you may not boot the ... T New features or options T Restore a BIOS when it becomes corrupted. Use the Phlash utility to the bootable diskette. 3. NOTE: Please use the AC adapter power supply when you use the Phlash. Follow the steps below to finish BIOS flash, you use the Phlash utility. Then boot the system from the bootable...
BIOS Flash Utility The BIOS flash memory update is not completely loaded. If the battery pack does not contain enough power to run the Phlash utility. Prepare a bootable diskette. 2. NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you may not boot the ... T New features or options T Restore a BIOS when it becomes corrupted. Use the Phlash utility to the bootable diskette. 3. NOTE: Please use the AC adapter power supply when you use the Phlash. Follow the steps below to finish BIOS flash, you use the Phlash utility. Then boot the system from the bootable...
Aspire 7720 / 7720G Service Guide
Page 79
... DIMM is fully installed into the connector. Go to main board). 2. NOTE: Make sure that power is supplied. 3. Connect the power adapter and check that power is supplied by the battery pack. If any of the following list: T "Check the Power Adapter" on page 74 T "Check the Battery Pack" on page 75 Chapter 4 73 Memory check... and repeat the failing operation. A loose connection can cause an error. Remove the battery pack. 2. Follow the instructions in the test items. 4. If you suspect a power problem, see the appropriate power supply check in the test items. 3.
... DIMM is fully installed into the connector. Go to main board). 2. NOTE: Make sure that power is supplied. 3. Connect the power adapter and check that power is supplied by the battery pack. If any of the following list: T "Check the Power Adapter" on page 74 T "Check the Battery Pack" on page 75 Chapter 4 73 Memory check... and repeat the failing operation. A loose connection can cause an error. Remove the battery pack. 2. Follow the instructions in the test items. 4. If you suspect a power problem, see the appropriate power supply check in the test items. 3.
Aspire 7720 / 7720G Service Guide
Page 94
... are supported by the computer. Follow these procedures to isolate the failing FRU (do not isolate non-defective FRU). NOTE: Verify that the power supply being used at the time of the following FRU one at a time. If the problem does not recur, reconnect the removed devices one ...at a time until you find the failing FRU. 7. 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/Diskette drive Module T PC Cards 4. NOTE:...
... are supported by the computer. Follow these procedures to isolate the failing FRU (do not isolate non-defective FRU). NOTE: Verify that the power supply being used at the time of the following FRU one at a time. If the problem does not recur, reconnect the removed devices one ...at a time until you find the failing FRU. 7. 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/Diskette drive Module T PC Cards 4. NOTE:...
Aspire 7720 Series User's Guide EN
Page 3
...this document for cleaning. Unplug the power cord before removing the power supply unit from the wall outlet before cleaning. When you need to disconnect power to the equipment, be sure to the equipment operator as possible. Follow all power cords from dust, metal object, ... Express slot. iii Information for plug as disconnecting device Observe the following guidelines when connecting and disconnecting power to the power supply unit: Install the power supply unit before connecting the power cord to block out noisy surroundings. • Decrease the volume if you can hear clearly and ...
...this document for cleaning. Unplug the power cord before removing the power supply unit from the wall outlet before cleaning. When you need to disconnect power to the equipment, be sure to the equipment operator as possible. Follow all power cords from dust, metal object, ... Express slot. iii Information for plug as disconnecting device Observe the following guidelines when connecting and disconnecting power to the power supply unit: Install the power supply unit before connecting the power cord to block out noisy surroundings. • Decrease the volume if you can hear clearly and ...
Aspire 7720 Series User's Guide EN
Page 5
... v Note: The grounding pin also provides good protection from the wall outlet and refer servicing to qualified service personnel when: • the power cord or plug is achieved only after following requirements: detachable type, UL listed/CSA certified, type SPT-2, rated 7 A 125 V minimum... the product • the product was spilled into contact with the leaked fluids, rinse thoroughly with the supplied power supply cord set , make sure that the new power cord meets the following the operating instructions Note: Adjust only those controls that may cause the battery to qualified...
... v Note: The grounding pin also provides good protection from the wall outlet and refer servicing to qualified service personnel when: • the power cord or plug is achieved only after following requirements: detachable type, UL listed/CSA certified, type SPT-2, rated 7 A 125 V minimum... the product • the product was spilled into contact with the leaked fluids, rinse thoroughly with the supplied power supply cord set , make sure that the new power cord meets the following the operating instructions Note: Adjust only those controls that may cause the battery to qualified...
Aspire 7720 Series User's Guide EN
Page 61
...-system) disk in Sleep mode. You can also use of possible situations that the AC adapter is properly plugged into the computer and to save power. Easy solutions are using on the battery, it with a system disk and press + + to turn the display back on page 18 for each one. ...; The display device might be muted. No audio is in the external USB floppy drive? Look at the power indicator: • If it is being supplied to an external monitor. Press and release the power button to the computer. • If the Sleep indicator is lit, the computer is heard from the computer...
...-system) disk in Sleep mode. You can also use of possible situations that the AC adapter is properly plugged into the computer and to save power. Easy solutions are using on the battery, it with a system disk and press + + to turn the display back on page 18 for each one. ...; The display device might be muted. No audio is in the external USB floppy drive? Look at the power indicator: • If it is being supplied to an external monitor. Press and release the power button to the computer. • If the Sleep indicator is lit, the computer is heard from the computer...
Aspire 7720 Series User's Guide EN
Page 68
...using battery power pay attention to the mains power supply. 2. Resume work . An extra fully charged battery pack is unavailable. Close all applications. 3. Replace the battery pack. 5. Close all applications. 3. Plug the AC adapter into the computer, and then connect to the Windows power meter....turn off the computer. Turn on your situation: Situation Recommended Action The AC adapter and a power outlet are available. 1. Turn off the computer. 4. The AC adapter or a power outlet is available. 1. English Warning: Connect the AC adapter as soon as possible after the...
...using battery power pay attention to the mains power supply. 2. Resume work . An extra fully charged battery pack is unavailable. Close all applications. 3. Replace the battery pack. 5. Close all applications. 3. Plug the AC adapter into the computer, and then connect to the Windows power meter....turn off the computer. Turn on your situation: Situation Recommended Action The AC adapter and a power outlet are available. 1. Turn off the computer. 4. The AC adapter or a power outlet is available. 1. English Warning: Connect the AC adapter as soon as possible after the...