'''Reset zoom:''' CTRL+0 (zero) *See: [http://support.mozilla.com/en-US/kb/Page+Zoom Page Zoom] '''''and''''' [http://support.mozilla.com/en-US/kb/Text+Zoom Text Zoom] '''four arrow cursor:''' You may be in Caret Browsing mode if your up/down arrow keys take you immediately to top and bottom of page only. Tap the F7 key to turn Caret Browsing on or off. '''If this reply solves your problem, please click "Solved It" next to this reply when <u>signed-in</u> to the forum.''' ------------------------ Not related to your question, but... You need to update some plug-ins: *Plug-in check: https://www-trunk.stage.mozilla.com/en-US/plugincheck/ *Adobe PDF Plug-In For Firefox and Netscape: [https://support.mozilla.com/en-US/kb/Using%20the%20Adobe%20Reader%20plugin%20with%20Firefox#w_installing-and-updating-adobe-reader Installing/Updating Adobe Reader in Firefox] *Shockwave Flash (Adobe Flash or Flash): [https://support.mozilla.com/en-US/kb/Managing%20the%20Flash%20plugin#w_updating-flash Updating Flash in Firefox]