Index headphones, headset affecting infrared transmission 2–22 affecting internal speakers 2–2 heat, excessive basic troubleshooting 1–3 indications 2–3 problems and solutions 2–38 Help and Support Center 1–7 Hibernation affecting CD or DVD play 2–12 affecting display 2–15 , 2–37 affecting drive insertion 2–9 enabling 2–4 restoring from 1–2 system-initiated 2–3 timeouts 2–8 hotkeys image switching 2–15 , 2–37 screen brightness 2–16 using on external keyboard 2–25 I IDM slot 2–13 IEEE 1394 connector 2–17 infrared transmission affected by Standby 2–22 affected by wireless device 2–22 cleaning lenses 2–22 positioning devices 2–22 problems and solutions 2–21 software settings 2–21 Integrated Digital Media slot 2–13 Integrated Memory Reader 2–13 Internet Easy Access buttons 2–23 problems and solutions 2–23 Quick Launch buttons 2–23 See also modem; network; wireless LAN device IrDA compliance 2–21 IRQ, PC Card 2–36 J jack RJ-11 2–29 RJ-45 2–33 S-Video 2–37 K keyboard, external USB 2–39 using hotkeys on 2–25 keyboard, internal problems and solutions 2–24 keypad external 2–25 internal 2–24 L light affecting display 2–16 affecting infrared transmission 2–22 light(s) AC adapter 1–2 audio 2–2 battery 1–2 , 2–4 , 2–6 power indicator 1–2 wireless LAN device 2–40 lockup 1–3 Index–4 Troubleshooting