HP Compaq dc7800 User Manual

Locking the Smart Cover Lock
To activate and lock the Smart Cover Lock, complete the following steps:
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.
2. As soon as the computer is turned on, press F10 when the monitor light turns green to enter
Computer Setup. Press Enter to bypass the title screen, if necessary.
NOTE: If you do not press F10 at the appropriate time, you must restart the computer and again
press F10 when the monitor light turns green to access the utility.
3. Select Security > Smart Cover > Cover Lock > Lock option.
4. Before exiting, click File > Save Changes and Exit.
Unlocking the Smart Cover Lock
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.
2. As soon as the computer is turned on, press F10 when the monitor light turns green to enter
Computer Setup. Press Enter to bypass the title screen, if necessary.
NOTE: If you do not press F10 at the appropriate time, you must restart the computer and again
press F10 when the monitor light turns green to access the utility.
3. Select Security > Smart Cover > Cover Lock > Unlock.
4. Before exiting, click File > Save Changes and Exit.
Using the Smart Cover FailSafe Key
If you enable the Smart Cover Lock and cannot enter the password to disable the lock, you will need a
Smart Cover FailSafe Key to open the computer cover. You will need the key in any of the following
circumstances:
●
Power outage
●
Startup failure
●
PC component failure (such as processor or power supply)
●
Forgotten password
CAUTION: The Smart Cover FailSafe Key is a specialized tool available from HP. Be prepared; order
this key before you need oneat an authorized reseller or service provider.
To obtain the FailSafe Key, do any one of the following:
●
Contact an authorized HP reseller or service provider.
●
Call the appropriate number listed in the warranty.
For more information about using the Smart Cover FailSafe Key, consult the Hardware Reference
Guide on the Documentation and Diagnostics CD.
46 Chapter 4 Desktop Management

HP Compaq dc7800 Specifications

General

Tcase	73.3 °C
Bus type	FSB
Stepping	M0
Processor cache	2 MB
Processor cores	2
Processor model	E4600
System bus rate	- GT/s
Processor family	Intel® Core™2 Duo
Processor series	Intel Core 2 Duo E4000 Series
Processor socket	LGA 775 (Socket T)
Processor codename	Conroe
Processing Die size	111 mm²
Processor frequency	2.4 GHz
Processor cache type	L2
Processor lithography	65 nm
Processor manufacturer	Intel
Processor front side bus	800 MHz
Processor operating modes	64-bit
ECC supported by processor	No
Thermal Design Power (TDP)	65 W
CPU multiplier (bus/core ratio)	12
Number of Processing Die Transistors	167 M
Internal memory	1 GB
Internal memory type	DDR2-SDRAM
Maximum internal memory	8 GB
Memory layout (slots x size)	2 x 0.5 GB
HDD speed	7200 RPM
HDD interface	SATA
Optical drive type	DVD Super Multi
Total storage capacity	160 GB
Audio input	1
LightScribe	Yes
Networking features	Intel 82566DM Gigabit Network Connection
Graphics card RAMDAC	400 MHz
Storage drive controller	SATA 3, 0 Gb/s NCQ SMART VI
Discrete graphics card model	Intel® GMA 3100
Maximum graphics card memory	0.256 GB
Operating system installed	Windows Vista Business
USB 2.0 ports quantity	8
Chassis type	Mini Tower
Country of origin	China
Cable lock slot type	Kensington
Operating altitude	0 - 3048 m
Non-operating altitude	0 - 9144 m
Storage temperature (T-T)	-30 - 60 °C
Operating temperature (T-T)	10 - 35 °C
Storage relative humidity (H-H)	5 - 95 %
Operating relative humidity (H-H)	10 - 90 %
Power supply	365 W
Product type	PC
Processor code	SLA94
Processor ARK ID	32242
Processor package size	37.5 x 37.5 mm

Weight and Dimensions

Depth	452 mm
Width	177 mm
Height	447 mm
Weight	11800 g