[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] hard disk defragmentation [See disk defragmentation] hardware hidden, discovering with Device Manager ghosted or nonpresent devices hidden devices, forcing display of occasional showing of ghosted devices network, rated speed vs. actual performance networking with direct cable connection cables and connectors Ethernet cable serial or parallel cable Registry information about remapping the keyboard screen resolution, improving troubleshooting with Device Manager error messages codes, messages, and potential solutions header information for email, viewing in Outlook/Outlook Express hexadecimal numbers (DWORD values as) hibernation file, defragmenting hibernation, NetBEUI protocol and hidden and ghosted devices [See hardware] hidden fields in Word, security risks of Hidden File Detector utility hives, Registry defragmenting HKEY_CLASSES_ROOT HKEY_CURRENT_CONFIG HKEY_CURRENT_USER 2nd HKEY_LOCAL_MACHINE 2nd HKEY_USERS Hollywood DV-Bridge home networks [See also networking; residential gateways] router, resetting to repair TCP/IP connection wireless, setting up host computer [See hosts ] hosting web site with IIS caching, improving performance with installing IIS MMC snap-in for site administration redirecting incoming incorrect URLs redirecting your site to a URL hostnames mapping to dynamic IP address resolution to IP addresses with ping hosts Dynamic Host Configuration Protocol [See DHCP] network name of pinging to diagnose connection problems user permissions HOSTS file comments, adding editing incorrect or outdated listings updating to prevent loss of access to sites HTML email addresses, writing in HTML characters special characters, online listing of turning off display in emails to prevent spam attacks hubs/routers for home networks [See residential gateways] hung programs, changing time for XP reporting |