Dell OptiPlex 960 User Manual

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 Troubleshooting Tips
Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual
Using the Hardware Troubleshooter
Tips

Using the Hardware Troubleshooter

1. Click the Windows Vista Start button , and click Help and Support.

2. Type hardware troubleshooter in the search field and press <Enter> to start the search.

3. In the search results, select the option that best describes the problem and follow the remaining troubleshooting steps.
Tips
l If a device does not work, ensure that the device is properly connected.
l If you added or removed a part before the problem started, review the installation procedures and ensure that the part is correctly installed.
l If an error message appears on the screen, write down the exact message. This message may help support personnel to diagnose and fix the problem
(s).
l If an error message occurs in a program, see the program documentation.

Power Problems

The diagnostic lights on the front of the computer along with the status of the power button indicate the potential problem with the system. Consult the
following table in case of a power problem.
CAUTION: Always unplug your computer from the electrical outlet before opening the cover.
NOTE: For detailed troubleshooting information, including responding to system messages, see your Service Manual on support.dell.com.
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 diagnostic lights will blink when the power button is amber or off, and will not when it is blue. This has no other significance.

Light Pattern

Problem Description

Suggested Resolution
Off
The computer is either turned
off or not receiving power.
l Reseat the power cable in the power connector on the back of the computer and the electrical
outlet.
l Bypass power strips, power extension cables, and other power protection devices to verify that
the computer turns on properly.
l Ensure that any power strips being used are plugged into an electrical outlet and are turned on.
l Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
l Ensure that the main power cable and front panel cable are securely connected to the system
board.
Off
A possible motherboard failure
has occurred.
l Unplug the computer. Allow one minute for the power to drain. Plug the computer into a working
electrical outlet and press the power button.
l If the problem persists, contact Dell (see Contacting Dell).
Blinking Amber
A possible motherboard,
power supply, or peripheral
failure has occurred.
1. Power off computer, leaving the computer plugged in. Press and hold the power supply test button
on the rear of the power supply unit. If the LED next to the switch illuminates, the problem may be
with your motherboard. Contact Dell (see Contacting Dell).
2. If the LED next to the switch does not illuminate, disconnect all internal and external peripherals,
and press and hold the power supply test button.If it illuminates, there could be a problem with a
peripheral. Contact Dell (see Contacting Dell).
3. If the LED still does not illuminate, remove the PSU connections from the motherboard, then press
and hold the power supply button. If it illuminates, there could be a problem with the motherboard.
Contact Dell (see Contacting Dell).

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