HP Compaq dc7800 User Manual

Internet takes too long to download Web sites.
Cause Solution
1. Select Start > Control Panel.
2. Click on System and Maintenance.
3. Click on System.
4. In the Tasks list, select Device Manager.
5. Double-click Modems.
6. Double-click Agere Systems PCI-SV92PP Soft
Modem.
7. On the General tab, click Diagnostics.
8. Click Query Modem. A “Success” response indicates the
modem is connected and working properly.
Solving Software Problems
Most software problems occur as a result of the following:
●
The application was not installed or configured correctly.
●
There is insufficient memory available to run the application.
●
There is a conflict between applications.
●
Be sure that all the needed device drivers have been installed.
●
If you have installed an operating system other than the factory-installed operating system, check
to be sure it is supported on the system.
If you encounter software problems, see the applicable solutions listed in the following table.
Table D-19 Solving Software Problems
Computer will not continue and no HP logo screen has appeared.
Cause Solution
POST error has occurred. Observe the beeps and LED lights on the front of the computer.
See
POST Error Messages on page 205 to determine possible
causes.
See the Restore Kit or the Worldwide Limited Warranty for
terms and conditions.
Computer will not continue after HP logo screen has appeared.
Cause
Solution
System files may be damaged. Use recovery diskette to scan hard drive for errors.
Table D-18 Solving Internet Access Problems (continued)
250 Appendix D Troubleshooting Without Diagnostics

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