Service and Maintain

Service Reference Guide, dx2200 MT 415606-001 3–5
Desktop Management
✎
If you do not press the F10 key at the appropriate time, you must turn the computer off, then on
again, and press the
F10 key again to access the utility.
If you are using a PS/2 keyboard, you may see a Keyboard Error message—disregard it.
3. When the prompt appears, type your current password, then select the desired
Set...Password item from the
F10 headings. Then, enter the new password twice. Follow the
instructions on the screen.
Type carefully; for security reasons, the characters you type do not appear on the screen.
4. Press the
Enter key.
The new password takes effect the next time you turn on the computer.
Deleting a User or Supervisor Password
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.
To delete the supervisor password, run Computer Setup.
2. To delete the password, as soon as the computer is turned on, press the
F10 key to enter
Computer Setup.
✎
If you do not press the F10 key at the appropriate time, you must turn the computer off, then on
again, and press the
F10 key again to access the utility.
If you are using a PS/2 keyboard, you may see a Keyboard Error message—disregard it.
3. When the prompt appears, type your current password
current password
4. Press the Enter key then, select either Set User or Set Supervisor Password in the F10
menu as described in the previous sections.
5. When the prompt appears on the monitor press the
Enter key twice. A message will appear
advising you that the password has been disabled.
Clearing Passwords
If you forget your password, you cannot access the computer. To clear the password:
1. Turn off and unplug the computer.
2. Remove the access panel.
3. Move the CMOS jumper from pins 2-3 to pins 1-2 and keep it there for at least 5 seconds.
4. Reset the jumper to pins 1-2 and replace the access panel.
5. Restart the computer.
3.3.4 Surge-Tolerant Power Supply
An integrated surge-tolerant power supply provides greater reliability when the computer is hit
with an unpredictable power surge. This power supply is rated to withstand a power surge of up
to 2000 volts without incurring any system downtime or data loss.