Dell OptiPlex 960 User Manual

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Eliminate interference —
Some possible causes of interference are:
l Power, keyboard, and mouse extension cables
l Too many devices connected to the same power strip
l Multiple power strips connected to the same electrical outlet
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Memory Problems
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
If you receive an insufficient memory message — 
l Save and close any open files and exit any open programs you are not using to see if that resolves the problem.
l See the software documentation for minimum memory requirements. If necessary, install additional memory.
l Reseat the memory modules to ensure that your computer is successfully communicating with the memory.
l Run the Dell Diagnostics (see Dell Diagnostics).
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If you experience other memory problems — 
l Reseat the memory modules to ensure that your computer is successfully communicating with the memory.
l Ensure that you are following the memory installation guidelines.
l Ensure that the memory you are using is supported by your computer. For more information about the type of memory supported by your computer,
see Mini Tower Computer Specifications, Desktop Computer Specifications, or Small Form Factor Computer Specifications.
l Run the Dell Diagnostics (see Dell Diagnostics).
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Lockups and Software Problems

The computer does not start up
Ensure that the power cable is firmly connected to the computer and to the electrical outlet
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A program stops responding
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End the program —

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1. Press <Ctrl><Shift><Esc> simultaneously to access the Task Manager, and click the Applications tab.
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2. Click to select the program that is no longer responding, and click End Task.
Steady
Blue
drive or hard drive), check the device to make sure it is functioning properly.
l  If the operating system is attempting to boot from a device (such as the floppy drive or optical
drive), check system setup to ensure the boot sequence is correct for the devices installed on your
computer.
l If the problem persists, contact Dell (see Contacting Dell).
Blinking Blue
The computer is in standby
mode.
Press a key on the keyboard, move the mouse, or press the power button to resume normal operation.
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see www.dell.com/regulatory_compliance.
NOTE: The procedures in this document were written for the Windows default view, so they may not apply if you set your Dell computer to the Windows
Classic view.

Dell OptiPlex 960 Specifications

General

Tcase	72.4 °C
Bus type	FSB
Stepping	E0
Processor cache	6 MB
Processor cores	2
Processor model	E8400
System bus rate	- GT/s
Processor family	Intel® Core™2 Duo
Processor series	Intel Core 2 Duo E8000 Series
Processor socket	LGA 775 (Socket T)
Processor codename	Wolfdale
Processing Die size	107 mm²
Processor frequency	3 GHz
Processor cache type	L2
Processor lithography	45 nm
Processor manufacturer	Intel
Processor front side bus	1333 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)	9
Number of Processing Die Transistors	410 M
Internal memory	4 GB
Memory clock speed	800 MHz
Internal memory type	DDR2-SDRAM
Maximum internal memory	16 GB
Memory layout (slots x size)	2 x 2 GB
HDD speed	7200 RPM
HDD interface	SATA
Optical drive type	DVD-RW
Total storage capacity	250 GB
Networking features	Gigabit Ethernet
Graphics card family	AMD
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Discrete graphics card model	AMD Radeon HD 3470
Maximum graphics card memory	- GB
On-board graphics card model	Not available
Discrete graphics card memory	256 GB
Operating system installed	Windows 7 Professional
Microphone in	Yes
USB 2.0 ports quantity	10
Firewire (IEEE 1394) ports	0
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Chassis type	SFF
Product color	Black
Product type	PC
Processor code	SLB9J
Processor ARK ID	33910
Processor package size	37.5 x 37.5 mm

Weight and Dimensions

Depth	323 mm
Width	85 mm
Height	289 mm
Weight	5900 g