Security Functions (Continued)
To change a password:
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down >
Restart the Computer. To change the setup password, run Computer Setup.
2. When the key icon appears, type your current password, a slash (/) or alternate de-
limiter character, your new password, another slash (/) or alternate delimiter character,
and your new password again as shown:
current password/new password/new password.
NOTE: Type the new password carefully since the actual characters do not appear
on the screen.
3. Press the enter key.
The new password will take effect the next time the computer is restarted.
To delete a password using Setup:
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down >
Restart the Computer. To delete the setup password, run Computer Setup (F10).
2. When the key icon appears, type your current password followed by a slash (/) or
alternate delimiter character as shown. Example: currentpassword/
3. Press the Enter key.
To delete the Setup password by clearing CMOS:
1. Shut down (Power down) the system and disconnect the power cord from the outlet
or the system unit.
2. Remove the chassis cover.
3. On the system board, press and release the CMOS clear switch.
4. Replace the chassis cover and reconnect the power cord.
To delete or disable the Power On password:
1. Shut down (Power down) the system and disconnect the power cord from the outlet
or the system unit.
2. Remove the chassis cover.
3. On the system board, remove the jumper on pins 1 and 2 of header E49 and place
only on pin 2.
4. Replace the chassis cover and reconnect the power cord.
NOTES:
[1] For more information about Setup Utilities refer to the Computer Setup Guide.
[2] If for any reason the Setup utility is not accessible to unlock the Smart Cover Lock then a
FailSafe key is required to bypass the Smart Cover Lock and open the computer. Refer to the
Hardware Reference Guide on how to use the FailSafe key. To order a FailSafe key contact
HP or your HP reseller.
[3] Available on select models.
Diagnostic Functions
Diagnostic functions are provided by the Setup Utility (in system ROM) and by Diagnostics
for Windows. Diagnostics for Windows provides detailed system information including:
• Processor type and speed
• Memory amount, mapping, and integrity
• Hardware peripheral availability/settings
• Hard drive type, space used/available
• System identification, asset tracking
Diagnostics for Windows may be pre installed on some models and can be downloaded free of
charge from www.hp.com.
Error Conditions and Messages
NOTES:
[1] Accompanied by 1 short, 2 long beeps
[2] Accompanied by 1 long, 2 short beeps
[3] Accompanied by 2 long, 1 short beeps
[4] All LEDs will blink in sync twice, accompanied by 1 long and 3 short beeps
[5] LEDs will blink in sequence (NUM, Caps, then Scroll Lock)
[6] Accompanied by rising beep tone
NOTE:
[1] Repeated after 2 second pause
NOTES: L = long, S = short
Security Features
Feature Purpose
How It Is
Established
Removable Media
Boot Control
Prevents booting from removable media
drives.
Setup Utilities. [1]
Serial, Parallel,
USB, or Infrared
Interface Control
Prevents data transfer through integrated
serial, parallel, USB, or infrared interface.
Setup Utilities. [1]
Power-On
Password
Prevents use of computer until password is
entered. Can apply to both initial startup
and restart.
Setup Utilities. [1]
Setup Password Prevents reconfiguration of computer until
password is entered.
Setup Utilities. [1]
Network Server
Mode
Provides unique security features for
computer used as server.
Setup Utilities. [1]
DriveLock Prevents unauthorized access to data on
drives supporting password protection.
Setup Utilities. [1]
Smart
Cover Lock [2][3]
Software-controllable solenoid that, when
activated, prevents unauthorized access to
chassis interior.
Setup Utilities. [1]
Smart
Cover Sensor [3]
Indicates computer cover or side panel has
been removed. Can be set to require
password for restart after cover or panel
removal.
Setup Utilities. [1]
Master Boot
Record (MBR)
Security
May prevent unintentional or malicious
changes to MBR of the current bootable
disk and provides a means of recovering
“last known” parameters.
Setup Utilities. [1]
Drive Protection
System (DPS
Diagnostic tool built into hard drives on
select models designed to discover
problems that might result in unwarranted
drive replacement.
Setup Utilities or
Diagnostics for
Windows.
Memory Change
Alerts
Detects addition or removal of memory
modules. Notifies system administrator.
Refer to Intelligent
Manageability
Guide.
Ownership Tag Displays ownership information as defined
by system administrator during system
startup. (Protected by setup password).
Setup Utilities. [1]
Kensington
CableLock
Provision
Inhibits access to interior of computer
chassis. Can also be used to secure
computer to a fixed object for prevent theft.
Requires Kensington
cable lock accessory
to secure computer
to a fixed object.
PS/2 Keyboard LED Indications
NUM lock
LED
Caps Lock
LED
Scroll Lock
LED Event
Blinking [1] Off [1] Off [1] Memory Failure
Off [2] Blinking [2] Off [2] Graphics controller failure
Off [3] Off [3] Blinking [3] System failure prior to graphics
controller initialization
On Off Off ROMPaq diskette not present, faulty,
or drive problem
Off On Off Password prompt
Blinking [4] Blinking [4] Blinking [4] Invalid ROM and/or flash failed
Blinking [4] Blinking [5] Blinking [5] Keyboard locked in network mode
On [6] On [6] On [6] Successful ROM flash
Chassis LED and Beep Messages
Power LED # Beeps Event
Steady green None S0 System on (normal operation)
Blinks green @ 0.5 Hz None S1 Suspend
Blinks green @ 0.5 Hz None S3 Suspend to RAM
Off (clear) None S4 Suspend to disk
Off (clear) None S5 Soft off
Blinks red 2 times @ 1 Hz [1] None Processor thermal shutdown
Blinks red 3 times @ 1 Hz [1] None Processor not seated / installed
Blinks red 4 times @ 1 Hz [1] None Power supply failure
Blinks red 5 times @ 1 Hz [1] 5 Memory error
Blinks red 6 times @ 1 Hz [1] 6 Video error
Blinks red 7 times @ 1 Hz [1] 7 PCA failure
Blinks red 8 times @ 1 Hz [1] 8 Invalid ROM checksum (error)
Common POST Error Messages
Screen
Message Beeps Probable Cause Recommended Action
101-Option
ROM Error
1L, 1S 1. System ROM
checksum error.
2. Expansion card.
3. CMOS corruption.
4. System board
1. Verify ROM, reflash if
required.
2. Remove suspected expansion
card, reboot.
3. Clear CMOS memory, reboot.
4. Replace system board.
102-, 103-
System
Board
Failure
none DMA, timers 1. Clear CMOS memory.
2. Remove expansion boards.
3. Replace system board.
164-Memory
Size Error
2S Incorrect memory
configuration.
1. Run Setup (F10).
2. Check DIMMs for proper
seating, proper type, and HP
compatibility.
3. Remove DIMMs singularly
and reboot to isolate faulty
DIMM.
201-Memory
Error
none RAM failure Same as 164.
202-Memory
Type
Mismatch
none DIMMs do not match. Same as 164.
212-Failed
Processor
none Processor has failed to
initialize.
1. Check processor seating.
2. Replace processor.
301-, 304-
Keyboard
Error
none Keyboard failure. Check keyboard connection or
keys. Replace keyboard. If 304,
possible system board problem
411-Network
Interface
Card
Interrupt
Conflict
2S NIC interrupt conflicts
with another device.
Reset IRQ (reboot system).
501-Display
Adapter
Failure
1L, 2S Graphics controller. 1. Reseat graphics card.
2. Check monitor connection.
3. Replace graphics card.
602-Diskette
Boot Error
none Diskette in drive A not
bootable
Remove/replace diskette.
1720-, 1721-
SMART
Hard Drive
Detects
Imminent
Failure
none Hard drive is about to
fail.
Run drive protection system test
if available. Check for firmware
patch for erroneous error
message.
178x, 179x-
Hard Drive
Failure
none Hard drive or hard
drive circuitry failure.
Run Setup or hard drive
diagnostics. Replace hard drive.
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