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<html> <head> <meta content="text/html; charset=UTF-8" http-equiv="Content-Type"> <link type="text/css" rel="stylesheet" href="../../../../../css/ccna.css"> <script src="../../../../../js/framesetHelper.js" language="JavaScript"></script><script language="JavaScript"> var pageLoaded = false; var current = ''; var currentChapter = 'knet-v214aCH47501'; function launchReference(rioID, rloID, chapterID) { contentID = "knet-v214aCV47051"; dash = contentID.indexOf('-'); sub1 = contentID.substring(0,dash); sub2 = contentID.substring(dash+1); numbackParams = "CHAPID=" + chapterID + "/RLOID=" + rloID + "/RIOID=" + rioID; ContentRef = "../../../../../"+ numbackParams + "/"+ sub1 +"/"+ sub2 +"/"; eval('top.frames.main_frame.location.href="'+ContentRef+'referencecontroller_pf.html"'); } function PrevPage() { top.currentSupport--; if (top.currentSupport <= 0) { returnContent(); } else { if (top.firstSupportPage == top.contentResourceID) { returnContent(); } else if (top.prevPage == quizID) { launchQuiz(); } else { launchReview(); } } } function launchReview(reviewID) { top.currentSupport = 0; chapterID = "knet-v214aCH47501"; nbparams = "CHAPID="+chapterID+"/RLOID="+"knet-v214aRLO47519"+"/RIOID="+reviewID; dash = chapterID.indexOf('-'); sub1 = chapterID.substring(0,dash); sub2 = chapterID.substring(dash+1); ContentRef = "../../../../../"+ nbparams +"/"+ sub1 +"/"+ sub2 +"/"; //alert(ContentRef); eval('top.frames.main_frame.location.href="'+ContentRef+'pageframesetrio.html"'); //added for navigating between Quiz and Review and back to regular Chapter pages top.currentSupport++; top.firstSupportPage = reviewID; top.prevPage = reviewID; top.contentResourceID = ''; } function launchQuiz(quizID) { top.currentSupport = 0; chapterID = "knet-v214aCH47501"; nbparams = "CHAPID="+chapterID+"/RLOID="+"knet-v214aRLO47524"+"/RIOID="+"knet-v214aRIO120878"; dash = chapterID.indexOf('-'); sub1 = chapterID.substring(0,dash); sub2 = chapterID.substring(dash+1); ContentRef = "../../../../../"+ nbparams +"/"+ sub1 +"/"+ sub2 +"/"; //alert(ContentRef); eval('top.frames.main_frame.location.href="'+ContentRef+'pageframesetrio.html"'); //added for navigating between Quiz and Review and back to regular Chapter pages top.currentSupport++; top.firstSupportPage = quizID; top.prevPage = quizID; top.contentResourceID = ''; } function returnContent() { rioID = top.currentPage; rloID = top.currentRLO; ContentID = top.currentChapter; top.firstSupportPage = ''; top.prevPage = ''; top.contentResourceID = ''; top.currentSupport = 0; nbparams = "CHAPID="+ContentID+"/RLOID="+rloID+"/RIOID="+rioID; dash = ContentID.indexOf('-'); sub1 = ContentID.substring(0,dash); sub2 = ContentID.substring(dash+1); ContentRef = "../../../../../"+ nbparams +"/"+ sub1 +"/"+ sub2 +"/" eval('top.frames.main_frame.location.href="'+ContentRef+'pageframesetrio.html"'); } </script> </head> <body leftmargin="20" topmargin="10" marginwidth="30" marginheight="10" bgcolor="#FFFFFF" onLoad="window.focus();" background="../../../../../images/ccna/common/lab/bglab.gif"> <table bgcolor="#000000" cellspacing="0" width="100%" border="0"> <tr> <td width="100%"> <table cellpadding="4" cellspacing="1" width="100%" border="0"> <tr> <td width="10%" bgcolor="#FFFFFF" valign="top"> <table cellpadding="0" cellspacing="0" width="100%" border="0"> <tr> <td width="33%"><script language="JavaScript"> //if (parent.parent.getTopName() == "chapterframeset") //{ var imgSource = '../../../../../images/ccna/common/lab/labback.gif'; document.write('<a href="javascript:PrevPage();">'); document.write('<img src="' + imgSource + '" border="0">'); document.write('</a>'); //} </script></td><td width="33%"><img border="0" src="../../../../../images/ccna/common/icon4.gif"></td> </tr> </table> <p> </p> </td><td bgcolor="#FFFFFF" valign="top"> <p align="left"> <span class="resourceTitle">Lab 1.2.3 Basic Troubleshooting</span> </p><p class="smtext">Estimated time: 30 min.</p><p class="smtext"> <b>Objectives:</b> </p><span class="smtext"> <ul type="disc"><li>Learn the proper sequence for troubleshooting computer and network related problems</li><li>Become familiar with some of the more common hardware and software problems</li><li>Given a basic problem situation, be able to troubleshoot and resolve the problem</li></ul> </span><p align="left"> <span class="resourceSectionTitle">Background:</span> </p> <blockquote> <p class="smtext">The ability to effectively troubleshoot computer related problems is an important skill. The process of identifying the problems and trying to solve it requires a systematic step-by-step approach. This lab will introduce some basic hardware and software related problems to solve and will help you become more familiar with PC components and the software required to use the Cisco curriculum. The process of trying to solve a problem is fairly straightforward. Some of the suggestions here are more than will be required to solve basic hardware and software problems but they will help provide a framework and guidelines when more complex problems arise:</p> <p class="smtext"> <b>Step 1 - Gather information:</b> </p> <span class="smtext"> <ul type="disc"><li>Observe the symptoms and try to characterize or identify the problem.</li><li>Try to describe what is happening or not happening using proper terminology.</li><li>Ask a coworker if they have encountered a similar problem.</li><li>Get the opinions of others who may have more experience.</li><li>Check websites and troubleshooting knowledge databases.</li></ul> </span> <p class="smtext"> <b>Step 2 - Isolate the problem:</b> </p> <span class="smtext"> <ul type="disc"><li>Is it hardware (check for lights and noises) or software (errors on screen) related?</li><li>Use substitution to isolate the problem if there is more than one component (if monitor does not work it could be the monitor, video adapter or cables).</li><li>Is it local (this workstation only) or remote (possible network-wide problem)?</li><li>Does it affect this software only or more than one application?</li><li>Is this the first time it has happened or has it happened before?</li><li>Was anything changed recently?</li>⌨️ 快捷键说明
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