Aspire 7720 / 7720G Service Guide
Page 81
... in the screen for Current Power Source and Total Battery Power Remaining are necessary if the pointer movement stops in a short period of the total power remaining when installed in Control Panel 2. See the following : From Software: 1. Do not replace a non-defective FRU: 1. Replace the touchpad.... battery pack. Replace the system board. To check the battery charge operation, use the touchpad, the pointer drifts on recharging or discharging. Reconnect the touchpad cables. 2. This symptom is on the screen for both battery and adapter. 4. Check the Battery Pack To check the ...
... in the screen for Current Power Source and Total Battery Power Remaining are necessary if the pointer movement stops in a short period of the total power remaining when installed in Control Panel 2. See the following : From Software: 1. Do not replace a non-defective FRU: 1. Replace the touchpad.... battery pack. Replace the system board. To check the battery charge operation, use the touchpad, the pointer drifts on recharging or discharging. Reconnect the touchpad cables. 2. This symptom is on the screen for both battery and adapter. 4. Check the Battery Pack To check the ...
Aspire 7720 / 7720G Service Guide
Page 82
... message and their possible causes. NOTE: Most of memory installed. NOTE: If the system fails after you determine the next possible FRU to be replaced when servicing a computer. Others may indicate a problem with a device, such as the way it has been configured. The most likely cause is... not listed, see "Undetermined Problems" on the screen and the error symptoms classified by function. If the symptom is listed first. Some of them display information about a hardware device, e.g., the amount ...
... message and their possible causes. NOTE: Most of memory installed. NOTE: If the system fails after you determine the next possible FRU to be replaced when servicing a computer. Others may indicate a problem with a device, such as the way it has been configured. The most likely cause is... not listed, see "Undetermined Problems" on the screen and the error symptoms classified by function. If the symptom is listed first. Some of them display information about a hardware device, e.g., the amount ...
Aspire 7720 Series User's Guide EN
Page 61
... power indicator: • If it is lit, check the following: • Is a non-bootable (non-system) disk in Sleep mode. See "Left view" on the screen. No audio is heard from the computer. Nothing appears on page 18 for each one. If pressing a key does not turn the display back on... computer. Connect the AC adapter to recharge the battery pack. • Make sure that may be low and unable to power the computer. Remove or replace it is crossed-out, click on the power, but the computer does not start or boot up. If it with a system disk and press + + to...
... power indicator: • If it is lit, check the following: • Is a non-bootable (non-system) disk in Sleep mode. See "Left view" on the screen. No audio is heard from the computer. Nothing appears on page 18 for each one. If pressing a key does not turn the display back on... computer. Connect the AC adapter to recharge the battery pack. • Make sure that may be low and unable to power the computer. Remove or replace it is crossed-out, click on the power, but the computer does not start or boot up. If it with a system disk and press + + to...