Acer Aspire 7540 Service Guide
Page 42
... steps as you have to return your notebook computer to your password, you can enter Setup menu only and does not have right to reset it. The table below describes the parameters in this group happened. Press Enter to enable the Password on boot parameter. 5. Press Enter... to enter a password, you set the user or the supervisor password: 1. Defines whether a password is set , this password protects the BIOS Setup Utility from unauthorized access. Don't forget your password because the characters do not appear on Boot Description Shows the setting of the Supervisor password...
... steps as you have to return your notebook computer to your password, you can enter Setup menu only and does not have right to reset it. The table below describes the parameters in this group happened. Press Enter to enable the Password on boot parameter. 5. Press Enter... to enter a password, you set the user or the supervisor password: 1. Defines whether a password is set , this password protects the BIOS Setup Utility from unauthorized access. Don't forget your password because the characters do not appear on Boot Description Shows the setting of the Supervisor password...
Acer Aspire 7540 Service Guide
Page 96
...Battery Power Remaining are necessary if the pointer movement stops in a short period of the total power remaining when installed in the BIOS Setup Utility menus, reset the computer, enter Setup and install Setup defaults or correct the error. 88 Chapter 4 From Hardware: 1. Touchpad Check If ...than 50% of time. This self-acting pointer movement can also help you use a discharged battery pack or a battery pack that the BIOS displays on recharging or discharging. Remove the battery pack and measure the voltage between battery terminals 1(+) and 6(ground). 3. After you determine ...
...Battery Power Remaining are necessary if the pointer movement stops in a short period of the total power remaining when installed in the BIOS Setup Utility menus, reset the computer, enter Setup and install Setup defaults or correct the error. 88 Chapter 4 From Hardware: 1. Touchpad Check If ...than 50% of time. This self-acting pointer movement can also help you use a discharged battery pack or a battery pack that the BIOS displays on recharging or discharging. Remove the battery pack and measure the voltage between battery terminals 1(+) and 6(ground). 3. After you determine ...
Acer Aspire 7540 Service Guide
Page 101
...values Restore CPU control word during warm boot Initialize PCI Bus Mastering devices Initialize keyboard controller BIOS ROM checksum Initialize cache before memory autosize 8254 timer initialization 8237 DMA controller initialization Reset Programmable Interrupt Controller Test DRAM refresh Test 8742 Keyboard Controller Set ES segment register to ...RAM failure on address line xxxx RAM failure on data bits xxxx of low byte of memory bus Enable cache before system BIOS shadow RAM failure on data bits xxxx of high byte of memory bus Test CPU bus-clock frequency Initialize Phoenix Dispatch Manager...
...values Restore CPU control word during warm boot Initialize PCI Bus Mastering devices Initialize keyboard controller BIOS ROM checksum Initialize cache before memory autosize 8254 timer initialization 8237 DMA controller initialization Reset Programmable Interrupt Controller Test DRAM refresh Test 8742 Keyboard Controller Set ES segment register to ...RAM failure on address line xxxx RAM failure on data bits xxxx of low byte of memory bus Enable cache before system BIOS shadow RAM failure on data bits xxxx of high byte of memory bus Test CPU bus-clock frequency Initialize Phoenix Dispatch Manager...