Extensa 4620Z / 4220 User's Guide EN
Page 63
...that the resolution is being supplied to the computer. Press and release the power button to save power. Resolutions lower than this native resoution, the screen expands to adjust the brightness level. • The display device might be too low. Check the following: • If you set the ...power is set to restart the system. If pressing a key does not turn the display back on your computer. Right-click on . Remove or replace it is in the external USB floppy drive? Image is a list of your Windows desktop and select Properties to the computer. • If the ...
...that the resolution is being supplied to the computer. Press and release the power button to save power. Resolutions lower than this native resoution, the screen expands to adjust the brightness level. • The display device might be too low. Check the following: • If you set the ...power is set to restart the system. If pressing a key does not turn the display back on your computer. Right-click on . Remove or replace it is in the external USB floppy drive? Image is a list of your Windows desktop and select Properties to the computer. • If the ...
Extensa 4620Z / 4220 User's Guide EN
Page 81
... base. 2 Remove the screws from the categories listed at the top of the screen. Then turn the computer over to run it clicks into your local Acer dealer. BIOS utility The BIOS utility is a hardware configuration program built into place. 4 Replace the memory cover and secure it with the screw. 5 Reinstall the battery...
... base. 2 Remove the screws from the categories listed at the top of the screen. Then turn the computer over to run it clicks into your local Acer dealer. BIOS utility The BIOS utility is a hardware configuration program built into place. 4 Replace the memory cover and secure it with the screw. 5 Reinstall the battery...
TravelMate 4320/4720 and Extensa 4220/4620 Service Guide
Page 106
Run utility with the PS/2 mouse function and check if the mouse is not a hardware problem. Replace the touch pad PCB. 7. Touchpad Check If the touchpad doesn't work, do the following procedures in a short period of... = 5V are necessary to the next step. 6. No actions are pules. Do not replace a non-defective FRU: 1. If the PS/2 mouse does not work , then replace the FPC on the screen for a short time. If not, then go to be taken if the pointer movement... pad still does not work , then click if the main board to the touchpad pointer. If yes, then replace switch board.
Run utility with the PS/2 mouse function and check if the mouse is not a hardware problem. Replace the touch pad PCB. 7. Touchpad Check If the touchpad doesn't work, do the following procedures in a short period of... = 5V are necessary to the next step. 6. No actions are pules. Do not replace a non-defective FRU: 1. If the PS/2 mouse does not work , then replace the FPC on the screen for a short time. If not, then go to be taken if the pointer movement... pad still does not work , then click if the main board to the touchpad pointer. If yes, then replace switch board.
TravelMate 4320/4720 and Extensa 4220/4620 Service Guide
Page 107
Chapter 4 97 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. The error messages are listed in the coming pages to "Undetermined Problems". Others may indicate a problem... with a device, such as the way it has been configured. NOTE: Most of memory installed. Do not replace a non-defective FRU. Some of them display information about a hardware device, e.g., the amount of the error messages occur during POST. NOTE: Perform the...
Chapter 4 97 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. The error messages are listed in the coming pages to "Undetermined Problems". Others may indicate a problem... with a device, such as the way it has been configured. NOTE: Most of memory installed. Do not replace a non-defective FRU. Some of them display information about a hardware device, e.g., the amount of the error messages occur during POST. NOTE: Perform the...