Display troubleshooting

My device screen turns off

When you do not use your BlackBerry® device for a period of time, the screen turns off to conserve battery power. To turn on the screen, click the trackball or press a key.

My display settings changed

Depending on your theme, display settings, such as your font and Home screen background, might change when you switch themes.

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Blackberry 8800 manual Display troubleshooting, My device screen turns off, My display settings changed

Contents

User Guide SWDT129656-129656-1215015514-001 Contents Voice dialing 103 115 171 183 215 239 253 Page BlackBerry basics Create a link for a PIN No application opens when I press a Convenience keyExpand a folder Collapse a folder Phone shortcuts ShortcutsMessage shortcuts A message Typing shortcuts Insert symbolsA message list Move around a message list Attachment shortcuts Search shortcutsWork with text A spreadsheet Media shortcuts Browser shortcutsOn a web Navigate a web Calendar shortcuts Maps shortcutsPage Phone basics Phone Switch applications during a call Dial using numbers or lettersSwitch calls Make a call when the device is locked Emergency calls Volume Voice dialing Voice mail Make a call using speed dial Set a voice mail access numberSpeed dial Assign a speed dial number to a key Conference calls Add a caller ID picture for a contact Caller IDChange the caller ID picture for a contact Delete the caller ID picture for a contact About call logs Call logsView call logs in a message list Add notes to a call log Forward a call log Call waitingDelete call log notes Call waiting prerequisites About call forwarding Call forwardingCall forwarding prerequisites Forward calls Change a call forwarding phone number Call blockingDelete a call forwarding phone number About call blocking Fixed dialing Add a contact to your fixed dialing list Click Enable FDN ModeChange a contact in your fixed dialing list Delete a contact from your fixed dialing list TTY support Smart dialing Hide your phone number from contacts when you make calls Phone settingsTTY support prerequisites Turn on TTY support Turn off the prompt that appears before you delete items Sort phone numbers or contacts on the Phone screenClick General Options Click General Options Set the Auto End Calls field to Never Reset a call timer Phone troubleshootingClick Last Call or Total Calls Click Clear Timer Cannot make or receive calls My phone number appears as Unknown in the phone Cannot make calls using a voice commandPage Voice dialing Turn off choice lists for voice commands Check the battery power level using a voice commandSet the matching sensitivity level for voice commands Set the voice dialing language Voice dialing troubleshooting Set playback options for voice dialingImprove voice recognition of numbers Adapt digit dialing to improve voice recognition of numbers Email message basics Email messages Save a message Set the importance level for a messageReply to a message Delete the original text from a reply message Email message folders Sent messages Email message filters Click Email SettingsAbout email message filters Set the Hide Sent Messages field to Yes Email message filter options Create an email message filter Turn on an email message filter Change an email message filterChange the order of email message filters Forward email messages to your device when no filters apply Email message forwardingDelete an email message filter Reset a blocked message counter Message settingsStop forwarding email messages to your device Block incoming messages Add a signature View an address instead of a display nameSet an out-of-office reply Click Show Address Message list settings Set the email address that you use to send messagesDelete the disclaimer from an email message Set how long your device stores messages View more of the subject line for messagesAbout multiple message lists Use one message list or multiple message lists Hide the new or unopened message indicator Message troubleshooting Cannot send messagesAm not receiving messages Some messages no longer appear on my device Cannot file email messagesMessage or attachment is truncated Some email message folders appear dimmed Email message filters are not working correctly PIN message basics PIN messagesAbout PIN messages Find your PIN Set a high importance level for received PIN messages Forward a message Sent messages Turn off the prompt that appears before you delete items Message shortcuts Message troubleshooting Am not receiving messages SMS text message basics SMS text messages Delete the history from an SMS text message Click Add RecipientClick Remove History Sent messages About cell broadcasting Cell broadcastingCell broadcasting prerequisites Turn on cell broadcasting Rename a cell broadcast channel Turn off AutoText for SMS text messagesView more of the history in SMS text messages Set a wireless network type for sending SMS text messages Store SMS text messages on your SIM cardRequest delivery notification for all SMS text messages Message list settings Use one message list or multiple message lists Message shortcuts Cannot send SMS text messages Am not receiving SMS text messagesCannot turn on cell broadcasting Page Page MMS message basics MMS messages Record and send a voice note Create a slide show in an MMS messageClick Attach Picture or Attach Audio Click Send as MMS Forward an MMS message Attach a media file to an MMS message MMS message attachmentsAttach a contact or appointment to an MMS message Save a picture from an MMS message Add a contact to your address book from an MMS message Request delivery or read notification for an MMS messageRequest delivery or read notification for all MMS messages View the size of an MMS message before sending it Stop receiving MMS messages when roaming Set the Keep Messages field Press the Menu key Block MMS messages Message shortcuts Cannot attach a file to an MMS message Message or attachment is truncated Page Typing basics Typing Set the default currency symbol Cancel a text selectionClear a field Highlight a line of text Set the trackball sensitivity Typing input methodsTurn off trackball sounds Use shortcut keys on the Home screen Type in Arabic or Russian using multi-tap Type in Arabic or Russian using SureType technologySwitch typing input methods Set the typing input language Word list AutoText About AutoTextCreate an AutoText entry Change an AutoText entry Delete an AutoText entryUndo an AutoText change Insert symbols About search SearchSearch for messages Search criteria Change a saved search View a list of saved searchesDelete a saved search Search for messages by contact or subject 101 102 Attachment basics Attachments View the table of contents in a document Document attachmentsView tracked changes in a document Spreadsheet attachments Presentation attachments Media attachments VCard contact attachments Attachment troubleshooting Skipped content bar appears in a documentQuestion mark appears on a slide Reconcile email messages over the wireless network Wireless email reconciliation prerequisitesDelete email messages over the wireless network Synchronization Synchronize organizer data over the wireless network Wireless data synchronization prerequisitesSet the Wireless Synchronization field to Yes About synchronization conflicts Manage data synchronization conflicts Wireless data restoration prerequisitesAbout backing up and restoring device data Delete all device data Click Purge Deleted Items Synchronization troubleshooting 113 114 Browser basics Browser View a thumbnail version of a web Switch browser viewsMove to a section of a long web page quickly Move through a web page line by line Links, pictures, and web page addresses Forward a web page address Forward a link or picture from a webView a full picture on a web Zoom in to or out from a picture Load pictures on a web Web page requestsAbout saving web pages and web page requests Save a web page request to a message list Bookmarks Add a bookmark folder Delete a bookmarkFile a bookmark Expand a folder Web feeds Change a web feed Mark a web feed title as opened or unopenedFile a web feed Delete a web feed Set the default browser view Browser settingsClear a browser cache Clear browser history Set the default browser configuration Set the web content type that the browser acceptsSet the number of times animated graphics repeat Set the home Receive a prompt before running a script Browser securityReceive a prompt before closing the browser About TLS Manage browser security TLS optionsWtls options Browser push Add a trusted content serverAbout browser push Turn on browser push Browser push options Browser troubleshooting Cannot set up automatic synchronization for bookmarksNo browser is available on my device Applications 132 Media files and folders Media Set the amount of memory available for media files Move a media fileView properties for a media file or folder Sort media files and folders Send a media file using Bluetooth technology Switch media folder viewsReceive a media file using Bluetooth technology Media file management Forward a media file Videos and picturesTransfer a file between your media card and your computer Play a video Play the next or previous video in a media folder Pause a videoView a picture Pan a picture Save a picture Set the interval between slides in a slide showUse a picture as the Home screen background Download a Home screen background Delete a video or picture Music and ring tonesPlay music Play the next or previous song in a media folder Shuffle songs in a media folder Repeat songs in a media folderPlay a ring tone Save a song or ring tone Download a ring toneRename a song or ring tone Delete a song or ring tone About media cards Media card settingsRemove a media card safely Set options for removing a media card safely Turn off the mass storage mode prompt Turn on mass storage mode manuallyClick Enable USB Mass Storage Mode Encrypt the files on a media card Format a media card Turn off mass storage mode supportTurn off media card support Click Format Card Media troubleshooting 146 Locations Maps View information for a location marker or point of interest DirectionsZoom in to a location marker, route, or point of interest Get directions Map basics Set a GPS receiver to use when you track your movement Switch viewsTracking Clear the map cache Track your movement Keep backlighting on when you track your movementView north at the top of a map View status information at the top of a map Location bookmarks Map troubleshooting Cannot forward directions 154 Contact basics Contacts About pauses and waits Delete a contactAdd a pause or a wait to a phone number About custom ring tones About mailing lists Mailing listsCreate a mailing list Change a mailing list View a mailing list Delete a mailing listClick Delete Group About categories CategoriesCreate a category for contacts, tasks, or memos Categorize a contact, task, or memo Address lookup About the SIM card phone book SIM card phone bookLoad the SIM card phone book Add a contact to your SIM card Change a SIM card contact Contact list settingsDelete a SIM card contact Sort contacts, tasks, or memos Set display options for contacts Contact troubleshootingPrevent duplicate names in your address book Cannot find the Add Custom Phone Tune menu item 164 Calendar basics Calendar Recurrence fields Schedule a meetingOpen an appointment or meeting Delete an appointment or meeting Meetings Calendar settings Set the first day of the week View tasks in the calendarHide free time in Agenda view Set how long your device stores calendar entries Calendar troubleshooting Cannot set some fields when scheduling appointmentsCannot schedule appointments that span multiple days Task basics TasksCreate a task Change a task Forward a task or memo Hide completed tasksDelete a task Click Hide Completed 173 Task list settings 175 176 Memo basics MemosCreate a memo Change a memo Delete a memo Memo list settings 180 Alarm 182 Calculator Use the calculatorConvert a measurement 184 Bluetooth technology basics Bluetooth technology Rename a paired Bluetooth enabled device Bluetooth technology settingsDelete a paired Bluetooth enabled device Share contacts with a paired Bluetooth enabled car kit Turn off Bluetooth connection notification Change the pairing name for your BlackBerry deviceRestrict outgoing calls Make your BlackBerry device discoverable Turn off the prompt that appears when connecting or pairing Bluetooth technology troubleshootingCannot type a passkey on a Bluetooth enabled device My list of paired Bluetooth enabled devices does not appear 189 190 Click Update Time Date and time troubleshootingDate and time Set the date and time 192 Notification basics Notification profiles Delete a notification profile Set the same ring tone for all notification profilesPrevent notification during calls Silence your device LED notificationView a list of saved ring tones LED notification Set the LED Coverage Indicator field to On Turn on wireless coverage notificationCustom notification About custom notification Change a notification profile exception Change the order of notification profile exceptionsClick Add Name Add Name Change Name Delete Name Notification profile troubleshooting Delete a notification profile exceptionMy device is vibrating more times than expected 199 200 BlackBerry Messenger Turn on invitation passwordsContacts Respond to an invitation View a contacts information Turn off invitation forwarding optionsRename a contact Add a group Move a contact to a group ConversationsRename a group Delete a group Add an emoticon Open a conversationSend a file to a contact Ping a contact Availability Receive notification when a contact becomes available Available UnavailableClick Set Alert Backlighting Display and keyboard Set the display font Display settingsAbout organizing applications Organize applications Assign an application to a Convenience key Keyboard settings Themes Display troubleshooting My display settings changedMy device screen turns off 212 Language Language troubleshooting Set display options for contactsSome characters do not appear correctly on my device Find information about wireless coverage indicators Wireless network coverageTurn off a wireless connection Network connection indicators Change the order of preferred wireless networks About the preferred wireless network listClick My Preferred Network List Click Add Network Turn off data service Verify the status of network connections and services Switch wireless networks manuallyWireless network coverage troubleshooting Cannot connect to a wireless network Power and battery 220 About the SIM card phone book SIM cardLoad the SIM card phone book Add a contact to your SIM card Delete a SIM card contact Change a SIM card contactStore SMS text messages on your SIM card About SIM card security Protect your SIM card with a PIN code Click Enable SecurityChange the SIM card PIN code Click SIM Card 224 Security basics Security About content protection Set a limit for device password attemptsSet content protection strength Encryption Password keeper Set criteria for randomly generated passwords Generate a random passwordView a password in the password keeper Change a password in the password keeper Change the password keeper password Delete a password from the password keeperCopy a password Prevent password copying Advanced security Smart cards Security troubleshooting Use a certificate to authenticate your smart cardCannot unlock my device using my smart card Click Reset Settings Reset connection permissions for third-party applicationsThird-party application control About permissions for third-party applications Interaction permissions for third-party applications Connection permissions for third-party applications Theme Data Data permissions for third-party applicationsFiles Key Store 236 About BrickBreaker BrickBreakerBrickBreaker capsules BrickBreaker scoring Play BrickBreaker Adjust the volumeSet the paddle speed Submit a score to the BrickBreaker high score web site About service books Service booksAccept a service book Delete a service book 240 BlackBerry Basics troubleshooting TroubleshootingNo application opens when I press a Convenience key Some features are not available on my device 242 243 244 245 246 247 248 249 About diagnostic reports Diagnostic reports View a diagnostic report Run a diagnostic reportSubmit a diagnostic report Delete a diagnostic report Cannot run or submit a diagnostic report Abbreviation list CAP lockNUM lock Triple DES Legal notice 256

Blackberry 8800 Display troubleshooting, My device screen turns off, My display settings changed

Models: 8800

Display troubleshooting

My device screen turns off

My display settings changed