HP Dx5150 Troubleshooting Guide - Page 77

Clearing and Resetting the CMOS, Using Computer Setup to Reset CMOS

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Password Security and Resetting CMOS 8. Plug in the computer and turn on power. Allow the operating system to start. This clears the current passwords and disables the password features. 9. To establish new passwords, repeat steps 1 through 4, replace the password jumper on pins 1 and 2, then repeat steps 6 through 8. Establish the new passwords in Computer Setup. Refer to the Computer Setup (F10) Utility Guide on the Documentation CD for Computer Setup instructions. Clearing and Resetting the CMOS The computer's configuration memory (CMOS) stores password information and information about the computer's configuration. Using Computer Setup to Reset CMOS ✎ This is the preferred method of resetting CMOS. However, if you cannot access Computer Setup, refer to the next section for instructions on using the CMOS switch to reset CMOS. To reset CMOS through Computer Setup, you must first access the Computer Setup Utilities menu. 1. Turn on or restart the computer. If you are in Microsoft Windows, click Start > Shut Down > Restart. 2. As soon as the computer is turned on, press and hold the F10 key until you enter Computer Setup. ✎ If you do not press the F10 key at the appropriate time, you must restart the computer and press and hold the F10 key again to access the utility. 3. Use the arrow keys to select Load Optimized Defaults, then press Enter. 4. To apply and save changes, press F10, or select Save & Exit Setup and press Enter. Troubleshooting Guide www.hp.com B-3

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Troubleshooting Guide
www.hp.com
B–3
Password Security and Resetting CMOS
8. Plug in the computer and turn on power. Allow the operating
system to start. This clears the current passwords and disables the
password features.
9. To establish new passwords, repeat steps 1 through 4, replace the
password jumper on pins 1 and 2, then repeat steps 6 through 8.
Establish the new passwords in Computer Setup. Refer to the
Computer Setup (F10) Utility Guide
on the
Documentation CD
for Computer Setup instructions.
Clearing and Resetting the CMOS
The computer’s configuration memory (CMOS) stores password
information and information about the computer’s configuration.
Using Computer Setup to Reset CMOS
✎
This is the preferred method of resetting CMOS. However, if you
cannot access Computer Setup, refer to the next section for
instructions on using the CMOS switch to reset CMOS.
To reset CMOS through Computer Setup, you must first access the
Computer Setup
Utilities menu.
1.
Turn on or restart the computer. If you are in Microsoft Windows,
click
Start > Shut Down > Restart
.
2. As soon as the computer is turned on, press and hold the
F10
key
until you enter Computer Setup.
✎
If you do not press the
F10
key at the appropriate time, you must
restart the computer and press and hold the
F10
key again to access
the utility.
3. Use the arrow keys to select
Load Optimized Defaults
, then
press
Enter
.
4. To apply and save changes, press
F10,
or select
Save & Exit
Setup
and press
Enter
.