TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 34
...flash utility. Turn off the computer once the process is complete. 5. Follow the on the computer again and flash the BIOS. BIOS Flash Utility The BIOS flash memory update is required under the following conditions: T When there are new versions of system programs T When new hardware options are... installed T When the BIOS has been corrupted and you need to restore it BIOS Flash Precautions T If you do not have a crisis ...
...flash utility. Turn off the computer once the process is complete. 5. Follow the on the computer again and flash the BIOS. BIOS Flash Utility The BIOS flash memory update is required under the following conditions: T When there are new versions of system programs T When new hardware options are... installed T When the BIOS has been corrupted and you need to restore it BIOS Flash Precautions T If you do not have a crisis ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 79
...The most likely cause is listed first. IDE Primary Channel Master Drive Error (The causes will show . Thermal Critical High In this situation BIOS will shut down the system, no message will be replaced when servicing a computer. Do not replace a non-defective FRU. Error Code .... Some of them display information about a hardware device, e.g., the amount of beep codes. These text messages are displayed in the computer. CPU BIOS Update Code Mismatch 2. POST Error Message Whenever a non-fatal error occurs during POST. Others may indicate a problem with a device, such as the ...
...The most likely cause is listed first. IDE Primary Channel Master Drive Error (The causes will show . Thermal Critical High In this situation BIOS will shut down the system, no message will be replaced when servicing a computer. Do not replace a non-defective FRU. Error Code .... Some of them display information about a hardware device, e.g., the amount of beep codes. These text messages are displayed in the computer. CPU BIOS Update Code Mismatch 2. POST Error Message Whenever a non-fatal error occurs during POST. Others may indicate a problem with a device, such as the ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 92
..., and email contacts for all models T User's manuals T Training materials T BIOS updates T Software utilities T Spare parts lists T Technical Announcement Bulletins (TABs) For these purposes, we have any suggestions or comments, please do not hesitate to communicate these to your TravelMate notebook. Acer Branch Offices and Regional Business Units may access our website at...
..., and email contacts for all models T User's manuals T Training materials T BIOS updates T Software utilities T Spare parts lists T Technical Announcement Bulletins (TABs) For these purposes, we have any suggestions or comments, please do not hesitate to communicate these to your TravelMate notebook. Acer Branch Offices and Regional Business Units may access our website at...