Aspire 7720 / 7720G Service Guide
Page 81
...the touchpad cables. 2. From Hardware: 1. If the voltage is not a hardware problem. If the charge indicator still does not light up , replace the battery pack. After you identify first the problem is applied to the touchpad pointer. This helps you use a discharged battery pack or a ...touchpad doesn't work, do the following: From Software: 1. This self-acting pointer movement can occur when a slight, steady pressure is on the screen for both battery and adapter. 4. Power off the computer. 2. To check the battery charge operation, use the touchpad, the pointer drifts on...
...the touchpad cables. 2. From Hardware: 1. If the voltage is not a hardware problem. If the charge indicator still does not light up , replace the battery pack. After you identify first the problem is applied to the touchpad pointer. This helps you use a discharged battery pack or a ...touchpad doesn't work, do the following: From Software: 1. This self-acting pointer movement can occur when a slight, steady pressure is on the screen for both battery and adapter. 4. Power off the computer. 2. To check the battery charge operation, use the touchpad, the pointer drifts on...
Aspire 7720 / 7720G Service Guide
Page 82
... If the system fails after you determine the next possible FRU to be replaced when servicing a computer. NOTE: Most of memory installed. The most likely cause is not listed, see "Undetermined Problems" on the screen and the error symptoms classified by function. This index can also help you... make changes in the computer. Do not replace a non-defective FRU. If the symptom is listed first. Some of them display...
... If the system fails after you determine the next possible FRU to be replaced when servicing a computer. NOTE: Most of memory installed. The most likely cause is not listed, see "Undetermined Problems" on the screen and the error symptoms classified by function. This index can also help you... make changes in the computer. Do not replace a non-defective FRU. If the symptom is listed first. Some of them display...
Aspire 7720 Series User's Guide EN
Page 61
... + + to restart the system. Check the following: • If you are provided for more detail. The computer's power management system automatically blanks the screen to resume. Press + (increase) to adjust the brightness level. • The display device might be too low. Nothing appears on the taskbar. No ... the computer. See "Left view" on the taskbar. Look at the volume control (speaker) icon on page 18 for each one. Remove or replace it is not lit, no power is in the external USB floppy drive? Check the following: • The volume may be too low. English...
... + + to restart the system. Check the following: • If you are provided for more detail. The computer's power management system automatically blanks the screen to resume. Press + (increase) to adjust the brightness level. • The display device might be too low. Nothing appears on the taskbar. No ... the computer. See "Left view" on the taskbar. Look at the volume control (speaker) icon on page 18 for each one. Remove or replace it is not lit, no power is in the external USB floppy drive? Check the following: • The volume may be too low. English...