valutazioni - 1, GPA: 5
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These steps also clear CMOS: 1. Prepare the computer for disassembly (refer to Section 5.3, “Preparing the Computer for Disassembly,” for more information). 2. Remove the RTC battery (refer to Section 5.17, “Disk Cell RTC Battery”). 3. Wait approximately five minutes. 4. Replace the RTC battery and reassemble the computer. 5. Connect AC power to the computer. Do not reinsert any battery packs at this time. 6. Turn on the computer. All passwords and all CMOS settings have been cleared. Maintenance and Service Guide 1-43 Product Description 1.4 Power Management The computer comes with power management features that extend battery operating time and conserve power. The computer supports the following power management features: ■ Suspend ■ Hibernation ■ Setting customization by the user ■ Hotkeys for setting level of performance ■ Smart battery that provides an accurate battery power gauge ■ Battery calibration ■ Lid switch Suspend/resume ■ Power/Suspend button ■ Advanced Configuration and Power Management (ACP) compliance 1-44 Maintenance and Service Guide Product Description 1.5 Computer External Components The external components on the front and right side of the computer are shown in Figure 1-2 and described in Table 1-6. Maintenance and Service Guide 1-45 Product Description Table 1-6 Front and Right Side Components Item Component Function 1 Stereo speakers (2) Produce stereo sound. 2 Power/Suspend light On: Power is turned on. Off: Power is turned off. Blinking: Computer is in Suspend mode. 3 Display release latch Opens the computer. 4 Battery light On: A battery pack is charging. Blinking: A battery pack that is the only available power source has reached a low-battery condition. 5 Battery bay Accepts an 8-cell lithium ion (Li ion) battery pack. 6 Hard drive bay Supports the removable primary hard drive. The hard drive is secured to the computer by one screw. 7 Vent Allows airflow to cool internal components. /\ CAUTION: To prevent damage, the computer shuts down if an — overheating condition occurs. Do not block the cooling vent. Avoid placing the computer on a blanket, rug, or other flexible surface that may cover the vent area. 8 Security cable slot Attaches an optional security cable to the computer. 1-46 Maintenance and Service Guide Product Description The computer rear panel and left side components are shown in Figure 1-3 and described in Table 1-7. Table 1-7 Rear Panel and Left Side Components Item Component Function 1 Vent Allows airflow to cool internal components. /\ CAUTION: To prevent damage, the computer shuts down if an — overheating condition occurs. Do not block the cooling vent. Avoid placing the computer on a blanket, rug, or other flexible surface that may cover the vent area. 2 Infrared port Provides wireless communication between the computer and another infraredequipped device using an infrared beam. 3 Parallel connector Connects a parallel device. Maintenance and Service Guide 1-47 Product Description Table 1-7 Rear Panel and Left Side Components (Continued) Item Component Function 4 External monitor connector Connects an external monitor or overhead projector. 5 S-Video connector Connects a television, VCR, camcorder, or overhead projector. 6 USB connectors (2) Connect USB devices. 7 RJ-11 modem jack Connects the modem cable to an internal modem. A modem cable is included with internal modem models. 8 RJ-45 network jack Connects the network cable. A network cable is not included with the computer. 9 DC power jack Connects any one of the following: ■ AC adapter ■ Optional automobile power adapter/charger ■ Optional aircraft power adapter 10 Mono microphone jack Connects a mono microphone, disabling the built-in microphone. 11 Stereo speaker/ headphone jack Connects stereo speakers, headphones, headset, or television audio. 12 PC Card slot Supports a 32-bit (CardBus) or 16-bit PC Card. 13 PC Card eject button Ejects a PC Card from the PC Card slot. 14 MultiBay Accepts MultiBay devices, such as a diskette drive, optical drive, hard drive, or optional battery pack. 1-48 Maintenance and Service Guide Product Description The computer keyboard components are shown in Figure 1-4 and described in Table 1-8. Figure 1-4. Keyboard Components Maintenance and Service Guide 1-49 Product Description Table 1-8 Keyboard Components Item Component Function 1 F1 through F12 function keys Perform preset functions. 2 Num lock key On: Num lock is on and the embedded numeric keypad is enabled. 3 Embedded numeric keypad Converts keys to numeric keypad. 4 Cursor control keys Move the cursor around the screen. 5 Windows application key Displays a menu when using a Microsoft application. The menu is the same one that is displayed by pressing the right mouse button. 6 Windows logo keys Displays the Windows Start menu. 7 Fn key Used with hotkeys to perform preset hotkey functions. 1-50 Maintenance and Service Guide ...
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