TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 34
... Crisis Recovery Diskette in AC mode during this procedure, the system will force the BIOS to enter a special BIOS block, called boot block, to the bootable diskette. 3. 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 finish ...
... Crisis Recovery Diskette in AC mode during this procedure, the system will force the BIOS to enter a special BIOS block, called boot block, to the bootable diskette. 3. 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 finish ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 79
.... The most likely cause is specified. Incorrect password is listed first. Chapter 4 69 It shows the details of memory installed. CPU BIOS Update Code Mismatch 2. NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU replacement does...in this section lists the error messages and their possible causes. Do not replace a non-defective FRU. Thermal Critical High In this situation BIOS will issue four short beeps, then shut down the system, no message will be replaced when servicing a computer. Others may indicate a ...
.... The most likely cause is specified. Incorrect password is listed first. Chapter 4 69 It shows the details of memory installed. CPU BIOS Update Code Mismatch 2. NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU replacement does...in this section lists the error messages and their possible causes. Do not replace a non-defective FRU. Thermal Critical High In this situation BIOS will issue four short beeps, then shut down the system, no message will be replaced when servicing a computer. Others may indicate a ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 92
...File to facilitate a hassle-free downloading of all your TravelMate notebook. Acer's Website offers you convenient and valuable support resources whenever you can be obtained directly from Acer CSD Taiwan. However some information sources will require a ...Acer notebook, desktop and server models including: T Service guides for all the support services we have any suggestions or comments, please do not hesitate to communicate these purposes, we offer, accompanied by a list of telephone, fax, and email contacts for all models T User's manuals T Training materials T BIOS updates...
...File to facilitate a hassle-free downloading of all your TravelMate notebook. Acer's Website offers you convenient and valuable support resources whenever you can be obtained directly from Acer CSD Taiwan. However some information sources will require a ...Acer notebook, desktop and server models including: T Service guides for all the support services we have any suggestions or comments, please do not hesitate to communicate these purposes, we offer, accompanied by a list of telephone, fax, and email contacts for all models T User's manuals T Training materials T BIOS updates...