Toshiba Satellite R20 User Manual - Page 298
Internet Service Providers, IRQ Interrupt Request
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298 features 132 slow connection 208 surfing 132 uploading and downloading files 133 URL address not found 208 Internet Explorer icon 123 Internet Service Providers 131 IRQ (Interrupt Request) 210 ISPs 131 J jack RJ-11 127 K key changing 165 removing 165 key assignment viewing existing 164 key assignments changing or removing existing 165 keyboard character keys 80 function keys 81 hot keys 254 not working 205 overlay keys 82 troubleshooting 216 Windows special keys 82 keyboard, external 60 keyboard, full-size 80 keyboard, PS/2-compatible 60 M main battery removing 113 memory adding 54 problem solving 213 memory module installation 54 microphone 134 modem determining COM port 125 problem solving 228 resetting port to default settings 125 upgrading 125 monitor 58 connecting 58 not working 217 mouse installing 61 serial 61 moving the computer 76 N network accessing 128 Dial-Up Networking Wizard 128 networking wireless 128 O opening the display panel 52 Optical drive problems 222 optical drive troubleshooting 222 other documentation 38 overlay keys 82 P password deleting a supervisor 157 disabling a user 155