Extensa 4620Z / 4220 User's Guide EN
Page 63
... that the AC adapter is properly plugged into the computer and to the computer. Nothing appears on the screen. If pressing a key does not turn the display back on your computer. Remove or replace it is lit, check the following: • Is a non-bootable (non-system) disk in Sleep mode. Right-click...
... that the AC adapter is properly plugged into the computer and to the computer. Nothing appears on the screen. If pressing a key does not turn the display back on your computer. Remove or replace it is lit, check the following: • Is a non-bootable (non-system) disk in Sleep mode. Right-click...
Extensa 4620Z / 4220 User's Guide EN
Page 81
... being displayed. English 61 Installing memory Follow these steps to access its base. 2 Remove the screws from the categories listed at the top of the screen. The computer automatically detects and reconfigures the total memory size. Then turn the computer over to install memory: 1 Turn off the computer, unplug the AC... adapter (if connected) and remove the battery pack. BIOS utility The BIOS utility is a hardware configuration program built into place. 4 Replace the memory cover and secure it clicks into your local...
... being displayed. English 61 Installing memory Follow these steps to access its base. 2 Remove the screws from the categories listed at the top of the screen. The computer automatically detects and reconfigures the total memory size. Then turn the computer over to install memory: 1 Turn off the computer, unplug the AC... adapter (if connected) and remove the battery pack. BIOS utility The BIOS utility is a hardware configuration program built into place. 4 Replace the memory cover and secure it clicks into your local...
TravelMate 4320/4720 and Extensa 4220/4620 Service Guide
Page 106
... board. Touchpad Check If the touchpad doesn't work , then click if the main board to switch board FPC is connected properly. 4. Do not replace a non-defective FRU: 1. If the main board to switch board FPC is connected correctly, then check if the FFC on the touch pad PCB is ... next step. 6. If the FFC on the touch pad PCB is not a hardware problem. If the touch pad still does not work, then replace the FPC on the screen for a short time. After rebooting, run Tracking Pad PS2 Mode Driver. Run utility with the PS/2 mouse function and check if the mouse...
... board. Touchpad Check If the touchpad doesn't work , then click if the main board to switch board FPC is connected properly. 4. Do not replace a non-defective FRU: 1. If the main board to switch board FPC is connected correctly, then check if the FFC on the touch pad PCB is ... next step. 6. If the FFC on the touch pad PCB is not a hardware problem. If the touch pad still does not work, then replace the FPC on the screen for a short time. After rebooting, run Tracking Pad PS2 Mode Driver. Run utility with the PS/2 mouse function and check if the mouse...
TravelMate 4320/4720 and Extensa 4220/4620 Service Guide
Page 107
... list, please refer to "Undetermined Problems". Others may indicate a problem with a device, such as the way it has been configured. Do not replace a non-defective FRU. NOTE: Most of memory installed. Some of them display information about a hardware device, e.g., the amount of the error messages... occur during POST. If the symptom is not included on the screen and the error symptoms classified by functions. Power-On Self-Test (POST) Error Message The POST error message index lists the error message...
... list, please refer to "Undetermined Problems". Others may indicate a problem with a device, such as the way it has been configured. Do not replace a non-defective FRU. NOTE: Most of memory installed. Some of them display information about a hardware device, e.g., the amount of the error messages... occur during POST. If the symptom is not included on the screen and the error symptoms classified by functions. Power-On Self-Test (POST) Error Message The POST error message index lists the error message...