HP Compaq dx2400 User Manual

Computer appears locked up and will not turn off when the power button is pressed.
Cause
Solution
Software control of the power switch is not
functional.
1. Press and hold the power button for at least
four seconds until the computer turns off.
2. Disconnect the power cord from the electrical
outlet.
Computer will not respond to USB keyboard or mouse.
Cause
Solution
System has locked up. Restart computer.
Keyboard or mouse is not connected to computer. Connect keyboard and mouse cables to computer.
Computer is in standby mode. To resume from standby mode, press the power
button or press any key.
CAUTION: When attempting to resume from
standby mode, do not hold down the power button
for more than four seconds. Otherwise, the
computer will shut down and you will lose any
unsaved data.
Computer date and time display is incorrect.
Cause
Solution
RTC (real-time clock) battery may need to be
replaced.
NOTE: Connecting the computer to a live AC
outlet prolongs the life of the RTC battery.
First, reset the date and time under Control
Panel (Computer Setup can also be used to
update the RTC date and time). If the problem
persists, replace the RTC battery. See the
Hardware Reference Guide for instructions on
installing a new battery, or contact an authorized
dealer or reseller for RTC battery replacement.
Cursor will not move using the arrow keys on the keypad.
Cause
Solution
The Num Lock key may be on. Press the Num Lock key. The Num Lock light
should not be on if you want to use the arrow keys.
The Num Lock key can be disabled (or enabled) in
Computer Setup.
Table 1 Solving General Problems (continued)
10 Quick Setup & Getting Started ENWW

HP Compaq dx2400 Specifications

General

Tcase	74.1 °C
Bus type	FSB
Stepping	M0
Processor cache	2 MB
Processor cores	2
Processor model	E5200
System bus rate	- GT/s
Processor family	Intel® Pentium®
Processor series	Intel Pentium E5000 Series for Desktop
Processor socket	LGA 775 (Socket T)
Processor codename	Wolfdale
Processing Die size	82 mm²
Processor frequency	2.5 GHz
Processor cache type	L2
Processor lithography	45 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
Number of processors installed	1
CPU multiplier (bus/core ratio)	12.5
Number of Processing Die Transistors	228 M
Audio system	HD
Product type	PC
Motherboard chipset	Intel® G33
Memory slots	4x DIMM
Internal memory	1 GB
Internal memory type	DDR2-SDRAM
Maximum internal memory	8 GB
Memory layout (slots x size)	- GB
HDD size	3.5 \
HDD speed	7200 RPM
HDD interface	SATA II
Optical drive type	DVD Super Multi
Total storage capacity	250 GB
LightScribe	Yes
Networking features	Gigabit Ethernet
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Discrete graphics card model	Intel® GMA 3100
Operating system installed	Windows Vista Business
Compatible operating systems	Windows XP Windows Vista
Optional operating system supplied	Windows XP Professional
Serial ports quantity	-
USB 2.0 ports quantity	6
Firewire (IEEE 1394) ports	0
Cabling technology	10/100/1000Base-T(X)
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Chassis type	Micro Tower
Product color	Black, Silver
Country of origin	China
Cable lock slot type	Kensington
Number of 3.5\" bays	3
Non-operating altitude	0 - 9144 m
Operating temperature (T-T)	10 - 35 °C
Power supply input voltage	90 - 240 V
Power consumption (typical)	300 W
Power supply input frequency	50 - 60 Hz
Processor ARK ID	37212
Processor package size	37.5 x 37.5 mm

Weight and Dimensions

Depth	373 mm
Width	180 mm
Height	365 mm
Weight	10200 g