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5.
Locate the CMOS jumper header on the motherboard.
CAUTION:
Removing the incorrect jumper can cause the system configuration to be changed or
even cause irreparable hardware damage.
6.
Set the jumper to cover the middle and third pins for at least five seconds.
7.
Set the jumper back in its original position.
8.
Replace the hood cover.
9.
Reconnect the external equipment.
10.
Plug in the computer and turn on the power. Allow the operating system to start.
Clearing BIOS passwords
If a user has configured a power-on or setup password using the BIOS and then loses the password,
they cannot access the BIOS in order to change or clear the password.
In this event, to clear the power-on or setup passwords—or to disable the power-on or setup password
feature—users need to perform the following steps:
CAUTION:
Before attempting to remove or touch any parts from the motherboard, check that the
power cord is disconnected from the electrical outlet. Failing to do so can cause hardware damage
and even physical injury.
1.
Shut down the operating system and turn off the computer and any external devices.
2.
Disconnect the power cords of the computer and any external devices from the power outlet.
3.
Disconnect any external devices that are connected to the computer.
4.
Remove the chassis cover.
60
Chapter 6 Software Troubleshooting
Содержание AZ525AW#ABA
Страница 1: ...Maintenance and Service Guide HP TouchSmart 9100 Business PC ...
Страница 4: ...iv About This Book ...
Страница 7: ...Starting system recovery from recovery discs 65 Index 67 vii ...
Страница 8: ...viii ...