Aspire 5320/5715/5715Z/5720/5720G User's Guide EN
Page 60
...on the taskbar. In Windows, look at the volume control (speaker) icon on the screen. I turned on , three things might be the cause: • • • The brightness level might be too low. Remove or replace it may be muted. If pressing a key does not turn the display back on...situations that the AC adapter is crossed-out, click on . Make sure that may be too low. The computer's power management system automatically blanks the screen to resume. Press and release the power button to save power. See "Left view" on the taskbar. Is a non-bootable (non-system) disk...
...on the taskbar. In Windows, look at the volume control (speaker) icon on the screen. I turned on , three things might be the cause: • • • The brightness level might be too low. Remove or replace it may be muted. If pressing a key does not turn the display back on...situations that the AC adapter is crossed-out, click on . Make sure that may be too low. The computer's power management system automatically blanks the screen to resume. Press and release the power button to save power. See "Left view" on the taskbar. Is a non-bootable (non-system) disk...
Aspire 5320/5715/5715Z/5720/5720G/5720Z Service Guide
Page 81
... a hardware problem. If the charge indicator still does not light up , replace the DC/DC charger board. This self-acting pointer movement can occur when a slight, steady pressure is on the screen for Current Power Source and Total Battery Power Remaining are necessary if the pointer...the voltage between battery terminals 1(+) and 6(ground). Check out the Power Management in the screen for a short time. Do not replace a non-defective FRU: 1. If the charge indicator still does not light up , replace the battery pack. In Power Meter, confirm that has less than 7.5 Vdc after recharging...
... a hardware problem. If the charge indicator still does not light up , replace the DC/DC charger board. This self-acting pointer movement can occur when a slight, steady pressure is on the screen for Current Power Source and Total Battery Power Remaining are necessary if the pointer...the voltage between battery terminals 1(+) and 6(ground). Check out the Power Management in the screen for a short time. Do not replace a non-defective FRU: 1. If the charge indicator still does not light up , replace the battery pack. In Power Meter, confirm that has less than 7.5 Vdc after recharging...
Aspire 5320/5715/5715Z/5720/5720G/5720Z Service Guide
Page 82
... device, e.g., the amount of the error messages occur during POST. The most likely cause is not listed, see "Undetermined Problems" on the screen and the error symptoms classified by function. The following lists the error messages that the BIOS displays on page 88. NOTE: If the system... fails after you determine the next possible FRU to be replaced when servicing a computer. Do not replace a non-defective FRU. NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU replacement does not solve the problem, put the original part back...
... device, e.g., the amount of the error messages occur during POST. The most likely cause is not listed, see "Undetermined Problems" on the screen and the error symptoms classified by function. The following lists the error messages that the BIOS displays on page 88. NOTE: If the system... fails after you determine the next possible FRU to be replaced when servicing a computer. Do not replace a non-defective FRU. NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU replacement does not solve the problem, put the original part back...