Dell Inspiron 1720 User Manual

118 Troubleshooting
BACK UP YOUR FILES IMMEDIATELY
USE A VIRUS-SCANNING PROGRAM TO CHECK THE HARD DRIVE, FLOPPY DISKS, OR
CD
S
SAVE AND CLOSE ANY OPEN FILES OR PROGRAMS AND SHUT DOWN YOUR
COMPUTER THROUGH THE START MENU
SCAN THE COMPUTER FOR SPYWARE — If you are experiencing slow computer
performance, you frequently receive pop-up advertisements, or you are having
problems connecting to the Internet, your computer might be infected with
spyware. Use an anti-virus program that includes anti-spyware protection
(your program may require an upgrade) to scan the computer and remove
spyware. For more information, go to support.dell.com and search for the
keyword spyware.
RUN THE DELL DIAGNOSTICS — If all tests run successfully, the error condition
is related to a software problem (see "Dell Diagnostics" on page 99).
Memory Problems
Fill out the "Diagnostics Checklist" on page 178 as you complete these
checks.
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
I
F YOU RECEIVE AN INSUFFICIENT MEMORY MESSAGE —
• Save and close any open files and exit any open programs you are not using
to see if that resolves the problem.
• See the software documentation for minimum memory requirements. If
necessary, install additional memory
(see "Memory" on page 147) .
• Reseat the memory modules to ensure that your computer is successfully
communicating with the memory
(see "Memory" on page 147) .
• Run the Dell Diagnostics
(see "Dell Diagnostics" on page 99) .
IF YOU EXPERIENCE OTHER MEMORY PROBLEMS —
• Reseat the memory modules to ensure that your computer is successfully
communicating with the memory
(see "Memory" on page 147) .
• Ensure that you are following the memory installation guidelines
(see
"Memory" on page 147)
.
• Run the Dell Diagnostics
(see "Dell Diagnostics" on page 99) .

Dell Inspiron 1720 Specifications

General

Bus type	FSB
Stepping	C0
Tjunction	105 °C
Processor cache	6 MB
Processor cores	2
Processor family	Intel® Core™2 Duo
Processor series	Intel Core 2 Duo T9000 Series
Processor socket	LGA 3647 (Socket P)
Processor codename	Penryn
Processing Die size	107 mm²
Processor frequency	2.5 GHz
Processor cache type	L2
Processor lithography	45 nm
Processor system type	Up
Processor manufacturer	Intel
Processor front side bus	800 MHz
Processor operating modes	64-bit
ECC supported by processor	No
Thermal Design Power (TDP)	35 W
Processor core voltage (AC)	1.062 - 1.150 V
CPU multiplier (bus/core ratio)	12.5
Number of Processing Die Transistors	410 M
HDD speed	5400 RPM
HDD interface	SATA
Card reader integrated	Yes
Display diagonal	17 \
Display resolution	1440 x 900 pixels
Native aspect ratio	16:10
Internal memory	4 GB
Memory clock speed	667 MHz
Internal memory type	DDR2-SDRAM
Memory layout (slots x size)	2 x 2 GB
Discrete graphics card model	NVIDIA GeForce Go 8600M GT
Maximum graphics card memory	0.256 GB
Keyboard layout	QWERTY
Pointing device	Touchpad
Type	PC
Modem speed	56.6 Kbit/s
Wireless technology	802.11n
Bluetooth version	2.0+EDR
Bundled software	Microsoft Works 9.0 - Danish
Operating system installed	Windows Vista Home Premium
Number of battery cells	6
TV-out type	S-Video
Charging port type	DC-in jack
Serial ports quantity	0
USB 2.0 ports quantity	5
AC adapter power	90 W
Processor code	SLAYY
Processor ARK ID	33917
Processor package size	35 x 35 mm

Weight and Dimensions

Depth	293 mm
Width	394 mm
Weight	3450 g
Height (rear)	44 mm
Height (front)	39 mm