Dell OptiPlex 170L Specifications Page 21
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- Table of contents
- TROUBLESHOOTING
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Your computer can be set to use less power when you are not working. You control the power usage through the operating system installed on your computer
and certain option settings in system setup. The following periods of reduced power are called "sleep states."
l Standby — In this sleep state, power is reduced or turned off for most components, including the cooling fans. However, system memory remains
active.
l Hibernate — This sleep state reduces power consumption to a minimum by writing all data in system memory to a hard drive and then removing system
power. Waking up from this state restarts the computer, and the memory contents are restored. Operation then resumes where the computer left off
when it entered the hibernation state.
l Shutdown — This sleep state removes all power from the computer except a small auxiliary amount. As long as the computer remains connected to an
electrical outlet, it can be automatically or remotely started. For example, the Auto Power On option in system setup allows the computer to
automatically start at a specified time. Also, your network administrator can remotely start your computer using a power management event such as
Remote Wake Up.
The following table lists the sleep states and the methods you can use to wake the computer from each state.
Hyper-Threading
Hyper-Threading is an Intel®technology that can enhance overall computer performance by allowing one physical processor to function as two logical
processors, capable of performing certain tasks simultaneously. It is recommended that you use the Microsoft®Windows®XP Service Pack 1 (SP1) or later
operating system because Windows XP is optimized to take advantage of Hyper-Threading technology. While many programs can benefit from Hyper-
Threading, some programs have not been optimized for Hyper-Threading and may require an update from the software manufacturer. Contact the software
manufacturer for updates and information about using Hyper-Threading with your software.
To determine if your computer is using Hyper-Threading technology:
1. Click the Start button, right-click My Computer, and then click Properties.
2. Click Hardware and click Device Manager.
3. In the Device Manager window, click the plus (+) sign next to the processor type. If Hyper- Threading is enabled, the processor is listed twice.
You can enable or disable Hyper-Threading through system setup.
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NOTE: All components installed in the computer must support this feature and have the appropriate drivers loaded to enter standby. For more
information, see the manufacturer's documentation for each component.
NOTE: All components installed in the computer must support this feature and have the appropriate drivers loaded to enter hibernation. For more
information, see the manufacturer's documentation for each component.
Sleep State
Wake-Up Methods (Windows 2000 and XP)
Standby
l Press the power button
l Auto power on
l Move or click the mouse
l Type on the keyboard
l USB device activity
l Power management event
Hibernate
l Press the power button
l Auto power on
l Power management event
Shutdown
l Press the power button
l Auto power on
l Power management event
NOTE: For more information on power management, see your operating system documentation.
- Notes, Notices, and Cautions 1
- Abbreviations and Acronyms 1
- Small Desktop Computer 1
- Mini-Tower Computer 1
- Advanced Troubleshooting 3
- Dell Diagnostics Main Menu 4
- Drivers 5
- Creating a Restore Point 7
- Reinstalling Windows XP 8
- Microsoft®Windows®XP 9
- Windows 2000 10
- Advanced Features 11
- Password Protection 12
- Typing Your System Password 13
- Setup Password 14
- System Setup 15
- Entering System Setup 16
- System Setup Screens 16
- Boot Sequence 17
- System Setup Options 18
- Booting to a USB Device 19
- Power Button 20
- Power Management 20
- Hyper-Threading 21
- Battery 22
- Before You Begin 24
- Cleaning Your Computer 26
- Chassis Speaker 28
- Removing the Chassis Speaker 29
- Operating System CD 33
- Glossary 34
- Getting Help 42
- AutoTech Service 43
- Problems With Your Order 44
- Product Information 44
- Before You Call 44
- Contacting Dell 45
- I/O Panel 53
- Memory 57
- Removing Memory 59
- Power Supply 60
- DC Power Connectors 62
- DC Power Connector P2 63
- DC Power Connector P5 63
- DC Power Connector P6 63
- DC Power Connector P7 63
- Main Power Connector 64
- 12-volt Power Connector 64
- Peripheral Power Connectors 64
- FCC Notices (U.S. Only) 66
- System Board 68
- Removing the Computer Cover 71
- Front View 72
- Back View 73
- Inside Your Computer 74
- System Board Components 75
- Opening the Computer Cover 82
- Front-Panel Inserts 86
- Installing a CD/DVD Drive 88
- Installing a Floppy Drive 90
- Installing Cards 100
- Removing Cards 101
- Control Panel 103
- Drives 105
- Hard Drive 106
- Installing a Hard Drive 107
- CD/DVD Drive 110
- Floppy Drive 114
- Back to Contents Page 117
- Processor 118
- Solving Problems 122
- Beep Codes 123
- Battery Problems 124
- Card Problems 124
- Drive Problems 125
- Dropped or Damaged Computer 126
- Error Messages 127
- General Problems 129
- Keyboard Problems 130
- Memory Problems 131
- Mouse Problems 131
- Network Problems 131
- Power Problems 132
- Printer Problems 132
- Sound and Speaker Problems 133
- System Board Problems 134
- Video and Monitor Problems 134
- If the screen is blank 135
- Specifications 136
- Warranty 140
- Adding User Accounts 142
- Fast User Switching 142
- Network Setup Wizard 143
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