Lenovo 9644 - Manuals

Danger Hazardous moving parts. Keep fingers and other body parts away. Attention Before replacing any CRUs, turn off the computer and wait three to five minutes to let the computer cool before opening the cover. Static electricity prevention Static electricity, although harmless to you, can seriousl...

Power cords and power adapters Use only the power cords and power adapters supplied by the product manufacturer. The power cords shall be safety approved. For Germany, it shall be H05VV-F, 3G, 0.75 mm 2 , or better. For other countries, the suitable types shall be used accordingly. Never wrap a powe...

If you are not sure of the voltage provided at your electrical outlet, contact your local electric company or refer to official Web sites or other literature for travelers to the country or region where you are located. Extension cords and related devices Ensure that extension cords, surge protector...

v Remove dust from vents and any perforations in the bezel. More frequent cleanings might be required for computers in dusty or high-traffic areas. v Do not restrict or block any ventilation openings. v Do not store or operate your computer inside furniture, as this might increase the risk of overhe...

v Disconnect the attached power cords, telecommunications systems, networks, and modems before you open the device covers, unless instructed otherwise in the installation and configuration procedures. v Connect and disconnect cables as described in the following table when installing, moving, or ope...

v Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote risk of electric shock from lightning. v Do not use the telephone to report a gas leak in the vicinity of the leak. Laser compliance statement Some personal computer models are equipped from the ...

Data safety Do not delete unknown files or change the name of files or directories that were not created by you; otherwise, your computer software might fail to work. Be aware that accessing network resources can leave your computer vulnerable to computer viruses, hackers, spyware, and other malicio...

Introduction This User Guide contains the following information: v Chapter 1, “Arranging your workspace,” on page 1 provides information about setting up your computer for comfort and the impact of light sources, air circulation, and electrical outlets. v Chapter 2, “Setting up your computer,” on pa...

Chapter 1. Arranging your workspace To get the most from your computer, arrange both the equipment you use and your work area to suit your needs and the kind of work you do. Your comfort is of foremost importance, but light sources, air circulation, and the location of electrical outlets also can af...

Chapter 2. Setting up your computer Before you begin, make sure you set up your computer in the best possible work area that suits your needs and the kind of work you do. For more information, refer to Chapter 1, “Arranging your workspace,” on page 1. Note: Read “Important safety information” on pag...

Chapter 3. Installing options This chapter provides an introduction to the features and options that are available for your computer. You can expand the capabilities of your computer by adding memory, adapters, or drives. When installing an option, use these instructions along with the instructions ...

Specifications This section lists the physical specifications for your computer. Dimensions Width: 310 mm (12.2 in.) Height: 85 mm (3.35 in.) Depth: 358 mm (14.1 in.) Weight Minimum configuration as shipped: 7.3 kg (16 lbs) Maximum configuration: 8.5 kg (18.7 lbs) Environment Air temperature: Operat...

Supported operating positions To provide proper air flow to internal components, you must position your computer in one of the positions as illustrated below. Tools required To install some options in your computer, you might need a flat-blade or Phillips screwdriver. Additional tools might be neede...

Connector Description USB connectors Used to attach a device that requires a Universal Serial Bus (USB) connection, such as a USB keyboard, USB mouse, USB scanner or USB printer. If you have more than eight USB devices, you can purchase a USB hub, which you can use to connect additional USB devices....

Identifying parts on the system board The system board (sometimes called the planar or motherboard) is the main circuit board in your computer. It provides basic computer functions and supports a variety of devices that are factory-installed or that you can install later. The following illustration ...

What to do next: v To work with another option, go to the appropriate section. v To complete the installation, go to “Closing the cover and connecting the cables” on page 35. Installing PCI adapters This section provides information and instructions for installing and removing PCI adapters. Your com...

10. Install the new drive from the rear of the drive bay assembly and slide the diskette drive lock 1 to the locked position. What to do next: v To work with another option, go to the appropriate section. v To complete the installation, go to “Closing the cover and connecting the cables” on page 35....

multiple partitions on your hard disk, you have the option to restore the factory contents to the C: partition and leave the other partitions intact. Because the Rescue and Recovery workspace operates independently from the Windows operating system, you can restore the factory contents even if you c...

Setting a rescue device in the startup sequence Before you start the Rescue and Recovery program from a CD, DVD, USB hard disk drive, or any external device, you must first change the startup sequence in the Setup Utility. To view or change the startup sequence, do the following: 1. With the compute...

Chapter 7. Troubleshooting and diagnostics This chapter describes some basic troubleshooting and diagnostic programs. If your computer problem is not described here, see Chapter 8, “Getting information, help, and service,” on page 61 for additional troubleshooting resources. Basic troubleshooting Th...

Symptom Action The keyboard does not work. The computer does not respond to the keyboard. Verify that: v The computer is turned on. v The monitor is turned on and the brightness and contrast controls are set correctly. v The keyboard is securely connected to the keyboard connector on the computer. v...

b. If there is some debris in the lens, gently blow the debris away from the area. 4. Check the surface on which you are using the mouse. If you have a very intricate picture or pattern beneath the mouse it may be difficult for the digital signal processor (DSP) to determine changes in the mouse pos...

Note: Phone numbers are subject to change without notice. If the number for your country or region is not provided, contact your Lenovo reseller or Lenovo marketing representative. If possible, be at your computer when you call and have the following information available: v Machine type and model v...

Appendix A. Manual modem commands The following section lists commands for manually programming your modem. Commands are accepted by the modem while it is in Command Mode. Your modem is automatically in Command Mode until you dial a number and establish a connection. Commands can be sent to your mod...

Command Function &V1 Display Last Connection Statistics &W_ &W0 Stores the active profile as Profile 0 &W1 Stores the active profile as Profile 1 %E_ %E0 Disable auto-retrain %E1 Enable auto-retrain +MS? Displays the current Select Modulation settings +MS=? Displays a list of support...

Index A Access Help 62 adapter connectors 25 installing 25 peripheral component interconnect (PCI) 14 antivirus software, updating 9 arranging your workspace 1 audio line in connector 19 audio line out connector 19 audio subsystem 12 B battery, changing 33 BIOS, updating (flashing) 49 Boot-block rec...