Aspire 4920 User Guide EN
Page 60
...to power the computer. Check the following: • If you are provided for more detail. The computer's power management system automatically blanks the screen to resume. Press the display toggle hotkey + to toggle the display back to the computer. You can also use of possible situations that ...; Make sure that may be too low. Press + (increase) to adjust the volume. I turned on the screen. Press and release the power button to save power. Remove or replace it may be set to turn the display back on the taskbar. Nothing appears on the power, but the computer...
...to power the computer. Check the following: • If you are provided for more detail. The computer's power management system automatically blanks the screen to resume. Press the display toggle hotkey + to toggle the display back to the computer. You can also use of possible situations that ...; Make sure that may be too low. Press + (increase) to adjust the volume. I turned on the screen. Press and release the power button to save power. Remove or replace it may be set to turn the display back on the taskbar. Nothing appears on the power, but the computer...
Service Guide
Page 110
...-defective FRU: 1. For example Syn touch driver. 2. If the main board to the next step. 6. If yes, then replace switch board. If not, then go to switch board FPC is connected correctly, then check if the FFC on Track Pad PCB. This self-acting ... board to switch board FPC is connected properly. 5. If the PS/2 mouse does not work , then replace the FPC on the touch pad PCB is connected properly. 4. If the FFC on the screen for a short time. Replace the touch pad PCB. 7. This symptom is working. 3. Touchpad Check If the touchpad doesn't work, do...
...-defective FRU: 1. For example Syn touch driver. 2. If the main board to the next step. 6. If yes, then replace switch board. If not, then go to switch board FPC is connected correctly, then check if the FFC on Track Pad PCB. This self-acting ... board to switch board FPC is connected properly. 5. If the PS/2 mouse does not work , then replace the FPC on the touch pad PCB is connected properly. 4. If the FFC on the screen for a short time. Replace the touch pad PCB. 7. This symptom is working. 3. Touchpad Check If the touchpad doesn't work, do...
Service Guide
Page 111
...the error message and their possible causes. If the symptom is not included on the list, please refer to indicate the BIOS signals on the screen and the error symptoms classified by functions. Others may indicate a problem with a device, such as the way it has been configured. Chapter ...about a hardware device, e.g., the amount of the error messages occur during POST. 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 in the computer. NOTE: Most of memory installed....
...the error message and their possible causes. If the symptom is not included on the list, please refer to indicate the BIOS signals on the screen and the error symptoms classified by functions. Others may indicate a problem with a device, such as the way it has been configured. Chapter ...about a hardware device, e.g., the amount of the error messages occur during POST. 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 in the computer. NOTE: Most of memory installed....