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Press the button on the optical drive itself. For additional information see “You press the disc eject button, but the drive tray does not slide out.” on page 197. Sound system problems No sound is coming from the computer’s speakers. Adjust the volume control. Try pressing Fn + Esc to see if volume mute is disabled. Check that the volume control on the computer is turned up. If you are using external headphones or speakers, check that they are securely connected to your computer. The computer emits a loud, high-pitched noise. This is feedback between the microphone and the speakers. It occurs in any sound system when input from a microphone is fed to the speakers and the speaker volume is too loud. Adjust the volume control. ExpressCard® problems ExpressCards® include many types of devices, such as a removable hard disk, additional memory, or a pager. Most ExpressCard problems occur during installation and setup of new cards. If you are having trouble getting one or more of these devices to work together, several sections in this chapter may apply. If your system does not have built-in drivers for your ExpressCard and the card did not come with an operating system driver, it may not work under the operating system. Contact the manufacturer of the ExpressCard for information about using the card under the operating system. ExpressCard® checklist . Make sure the card is inserted properly into the slot. . Make sure all cables are securely connected. . Occasionally a defective ExpressCard®slips through quality control. If another computer with a ExpressCard slot is available, try the card in that machine. If the card malfunctions again, it may be defective. If Something Goes Wrong If Something Goes Wrong ExpressCard® problems Resolving ExpressCard® problems Here are some common problems and their solutions: The slot appears to be dead. ExpressCards® that used to work no longer work. Check the ExpressCard® status: 1 Click Start, Control Panel, System and Security, and then under System, click Device Manager. 2 Double-click the appropriate ExpressCard, which will be listed under one of the categories shown, for example: Disk drives, Network adapters, Other, etc. The operating system displays your ExpressCard’s Properties dialog box, which contains information about your ExpressCard configuration and status. The computer stops working (hangs) when you insert an ExpressCard® . 1 If the ExpressCard® causes the system to hang, hold down the ON/OFF button until the computer shuts down (approximately 10 seconds). 2 Restart the computer and press the F8 key immediately after pressing the ON/OFF button. 3 From the menu, select Safe Mode. 4 After the computer starts, click Start, Control Panel, System and Security, and then under System, click Device Manager. 5 Look for an item with a yellow shield with an exclamation mark in it. This indicates there is a resource conflict. Do one of the following: . If there is a resource conflict, right-...

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