Toshiba Satellite 1100 Manual
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181 If Something Goes Wrong The Windows ® operating system is not working 5.375 x 8.375 ver 2.3 The computer displays the Non-System disk or disk error message. Make sure there is no diskette in the diskette drive. If there is one, remove it and press any key to continue. If pressing any key does not work, press Ctrl, Alt, and Del to restart the computer. The Windows® operating system is not working Once you are familiar with the desktop and used to the way the operating system responds to your work routine, you can easily detect if the operating system is not working correctly. For example: ❖The operating system fails to start after the Starting Windows XP message appears. ❖The operating system takes a long time to start. ❖The operating system responds differently from the normal routine. ❖The screen does not look right. Unless a hardware device has failed, problems usually occur when you change the system in some way such as installing a new program or adding a device. If you experience any of these problems, use the options in the Startup menu to fix the problem. Using Startup options to fix problems If the operating system fails to start properly, you may have to change your system’s configuration or verify the startup procedure to fix the problem. To do this, use the options in the Startup menu. To open the Startup menu: 1Restart your computer.
182 If Something Goes Wrong The Windows ® operating system is not working 5.375 x 8.375 ver 2.3 2Press F8 when your computer starts. The Windows ® Advanced Options menu displays these options: ❖Safe Mode ❖Safe Mode (with Networking) ❖Safe Mode (with Command Prompt) ❖Enable Boot Logging ❖Enable VGA Mode ❖Last known good configuration (your most recent settings that worked) ❖Directory services restore mode (Windows® domain controllers only) ❖Debugging Mode ❖Start Windows® normally ❖Reboot For detailed information, refer to your operating system’s documentation. Internet problems My Internet connection is very slow. Many factors contribute to the speed with which you can surf the Internet. They include: modem speed, time of day (when everyone else is surfing, your access can be slow) and popularity of the site. If accessing a particular site is very slow, try later. My browser can’t find the URL address I typed in. Make sure you separated the domain names of the address with the forward slash (/). Check the spelling of each name and the syntax of the address carefully. A single incorrect letter or missed character, comma instead of period (“dot”) or
183 If Something Goes Wrong Resolving a hardware conflict 5.375 x 8.375 ver 2.3 other mistake makes it impossible for your browser to locate the site. My browser can’t find a site I bookmarked. The World Wide Web is constantly changing. A site you bookmarked yesterday may not be available today or its server may be down for temporary repair. Try again later. The Windows® XP operating system can help you If the operating system has started properly, but you still have a problem using your computer, the online Help can assist you in troubleshooting the problem. To access Windows ® XP Help and Support: 1Click Start, then click Help and Support. The Help and Support window appears. 2Then do one or both of the following: ❖In the search field, type in the topic of the problem with which you need help and follow the on-screen instructions. ❖Click a problem you would like help with from the listings and follow the on-screen instructions. Resolving a hardware conflict If you receive an error message telling you there is a device driver conflict or a general hardware problem, try using Windows ® Help and Support to troubleshoot the problem first. For help on hardware conflicts: 1Click Start, then click Help and Support. 2Click the Hardware link in the window. A list of category links appear.
184 If Something Goes Wrong Resolving a hardware conflict 5.375 x 8.375 ver 2.3 3Click the Fixing a hardware problem or other appropriate link. 4Choose from specific topics and follow the steps. If there is still a problem, the operating system should display a message that explains what the conflict is. A plan of action The smooth operation of the system depends on the interaction of all devices, programs, and features. If the system or one of its attached devices isn’t working, resolving the problem can be time-consuming and frustrating. The recommended procedure for getting multiple devices to work together is to add and set up one device at a time. After you add each device, test it to make sure it and all previously connected devices work. The device most recently connected to the system is the one most likely to be causing a hardware conflict. Resolving hardware conflicts on your own Computer components need resources to accomplish a task. A device, such as a disk drive or a modem, needs a channel to the computer’s Central Processing Unit (CPU). It also needs a direct channel to the computer’s memory to store information as it works. These channels of communication are commonly referred to as system resources. Direct Memory Access Similarly, the data required by the device is stored in a specific place or address in memory called the Direct Memory Access (DMA). The DMA provides a dedicated channel for adapter cards to bypass the microprocessor and access memory directly. If two or more devices use the same DMA, the data required by one device overwrites the data required by the other. That may cause a hardware conflict.
185 If Something Goes Wrong Resolving a hardware conflict 5.375 x 8.375 ver 2.3 Plug and Play With Plug and Play and the Windows® XP operating system, avoiding hardware conflicts is easy. Plug and Play is a computer standard that helps the system BIOS (basic input/ output system) and the operating system to automatically assign resources to Plug and Play-compliant devices. In theory, if every device connected to the computer is Plug and Play-compliant, no two devices will compete for the same system resources. Simply plug in the device and turn on your computer. The operating system automatically sets up your system to accommodate the new device. If you install an older (legacy) device that the operating system cannot recognize, the operating system may have difficulty assigning resources to it. As a result, a hardware conflict can occur. To see what resources the operating system has assigned to the device, see “Checking device properties” on page 187. Resolving conflicts There are three things you can do to resolve hardware conflicts: ❖Disable the device. For an older device, remove it from the computer. For a Plug and Play device. ❖Disable another system component and use its resources for the new device. ❖Reconfigure the device so that its requirements do not conflict. Refer to the device’s documentation for instructions about changing settings on the device.
186 If Something Goes Wrong Resolving a hardware conflict 5.375 x 8.375 ver 2.3 Fixing a problem with Device Manager Device Manager provides a way to check and change the configuration of a device. CAUTION: Changing the default settings using Device Manager can cause other conflicts that make one or more devices unusable. Device Manager is a configuration tool for advanced users who understand configuration parameters and the ramifications of changing them. Disabling or enabling a device 1Click Start, click the My Computer icon with the secondary button, then click Properties. The System Properties dialog box appears. 2Click the Hardware tab. 3Click the Device Manager button. 4Select the specific device from the device category. 5To enable a device, look at the far right of the toolbar. Look for an icon of a monitor with a strike mark through a circle on the front. When you mouse over the small icon, the status of Disabled displays. To disable a device, look at the far right of the toolbar. Look for an icon of a monitor with a blue check mark on it. When you mouse over the small icon, the status of Enabled displays. 6Click the icon. You are given the option of disabling or enabling the device. 7Click yes or no, whichever is appropriate.
187 If Something Goes Wrong Resolving a hardware conflict 5.375 x 8.375 ver 2.3 Checking device properties Device Manager provides a way to view the properties of a device. Properties include the name of the manufacturer, the type of device, the drivers installed, and the system resources assigned to the device. To check a device’s properties: 1Click Start. 2Click My Computer with the secondary button, then click Properties. The System Properties dialog box appears. 3Click the Hardware tab. 4Click the Device Manager button. 5To view the device(s) installed, double-click the device type. 6To view the properties, double-click the device. The operating system displays the Device Properties dialog box, which provides an array of tabs. They include: ❖The General tab, which provides basic information about the device. ❖The Resource tab, which lists resources assigned to the monitor, DVD-ROM, floppy disk drive, and other power-using functions. ❖The Drivers tab, which displays the drivers being used by the device. A Troubleshooting button is also present. Click troubleshooting. A Help and Support window for that device appears. For more information about Device Manager, refer to Windows ® XP online help.
188 If Something Goes Wrong Resolving a hardware conflict 5.375 x 8.375 ver 2.3 Memory card problems Incorrectly connected or faulty memory modules may cause errors that seem to be device-related. It is worthwhile checking for these first: 1Turn off the computer via the Start menu. 2Remove the memory module. 3Reinstall the memory module, following the instructions in “Using the computer for the first time” on page 44, and making sure it is seated properly. 4Check for the error again. 5If the error recurs, remove the memory module entirely and check for the error again. If removing the memory module eliminates the error, the memory module may be faulty. If the error recurs without the memory module installed, the error is not caused by the memory module. NOTE: Toshiba recommends using only memory approved by To s h i b a . Power and the batteries Your computer receives its power through the AC adapter and power cable or from the system batteries (main battery and optional secondary battery). Power problems are interrelated. For example, a faulty AC adapter or power cable will neither power the computer nor recharge the batteries. Here are some typical problems and how to solve them: The AC power light does not come on when you plug in the AC adapter and power cable. Make sure the AC adapter and power cable are firmly plugged into both the wall outlet and the computer.
189 If Something Goes Wrong Resolving a hardware conflict 5.375 x 8.375 ver 2.3 If the AC power light still does not come on, check that the wall outlet is working properly by plugging in a lamp or other appliance. The AC adapter and power cable work correctly, but the battery will not charge. The battery doesn’t charge while the computer is consuming full power. Try turning off the computer. The main battery may not be inserted correctly in the computer. Turn off the computer, remove and replace the battery. The battery may be too hot or too cold to charge properly. If you think this is the probable cause, let the battery reach room temperature and try again. If the battery has completely discharged, it will not begin charging immediately. Leave the AC adapter and power cable connected, wait 20 minutes and see if the battery is charging. If the battery light is glowing after 20 minutes, let the computer continue charging the battery for at least another 20 minutes before you turn on the computer. If the battery light does not glow after 20 minutes, the battery may have reached the end of its useful life. Try replacing it. The battery appears not to power the computer for as long as it usually does. If you frequently recharge a partially charged battery, it may not charge fully. Let the battery discharge completely, then try charging it again. Check the power options using the Toshiba Power Management Utility. Have you added a device, such as a PC Card or memory module, that takes its power from the battery? Is your software using the hard disk more? Is the display power set to turn off automatically? Was the battery fully charged to begin with? All these conditions affect how long the charge lasts.
190 If Something Goes Wrong Resolving a hardware conflict 5.375 x 8.375 ver 2.3 For more information on maximizing battery power, see “Charging the battery” on page 89. Keyboard problems If, when you type, strange things happen or nothing happens, the problem may be related to the keyboard itself. The keyboard produces unexpected characters. A keypad overlay may be on. If the numeric keypad or cursor control light is on, press Fn and F10 simultaneously to turn off the cursor control light or press Fn and F11 simultaneously to turn off the numeric keypad light. If the problem occurs when both the keypad overlays are off, make sure the software you are using is not remapping the keyboard. Refer to the software’s documentation and check that the program does not assign different meanings to any of the keys. You have connected an external keyboard and the operating system displays one or more keyboard error messages. If you have a second keyboard, try it. If it works, the first keyboard may be defective or incompatible with your computer. Display problems Here are some typical display problems and their solutions: The display is blank. Display Auto Off may have gone into effect. Press any key to activate the screen. You may have activated the instant password feature by pressing Fn and F1 simultaneously. If you have registered a password, press the Enter key, type the password and press Enter. If no password is registered, press Enter. The screen reactivates and allows you to continue working.