I1、系统启动与关机故障 【案例1】安装了不兼容的硬件驱动程序或者硬件配置不正确导致无法关机 ··················· 1 【案例2】电脑启动时出现错误提示，键盘无法使用 ·························································· 3 【案例3】电脑升级光驱后无法启动，出现错误提示 ·························································· 3 【案例4】电脑非法关机后无法正常启动，不断重启 ·························································· 3 【案例5】对电脑进行超频后无法正常启动 ········································································· 4 【案例6】系统自动更新后，无法正常启动 ········································································· 4 【案例7】电脑中装入第二块硬盘后，出现错误提示，无法启动电脑······························· 4 【案例8】安装两个杀毒软件后，电脑无法正常启动 ·························································· 5 【案例9】安装软件后，出现错误提示，不断重启······························································ 5
2、电脑黑屏故障 【案例10】新装电脑开机不通电，电源指示灯不亮 ···························································· 5 【案例11】旧电脑升级内存和硬盘后开机黑屏，电源指示灯亮·········································6【案例12】按“Reset”键重启后黑屏，电源指示灯亮但电脑无法启动 ···························· 6 【案例13】电脑非法关机后无法启动，指示灯亮，BIOS有响铃声 ·································· 7
3、电脑蓝屏故障 【案例14】虚拟内存不足造成蓝屏 ······················································································· 7 【案例15】电脑超频后导致蓝屏 ··························································································· 7 【案例16】光驱读盘时被非正常打开导致的蓝屏································································ 8 【案例17】系统硬件冲突导致蓝屏 ······················································································· 8 【案例18】注册表错误导致蓝屏 ··························································································· 8
4、电脑死机故障 【案例19】电脑总是出现没有规律的死机 ··········································································· 9 【案例20】电脑看电影和处理照片正常，但玩3D游戏时死机 ········································· 9 【案例21】电脑上网时出现死机，不上网时运行正常 ························································ 9 【案例22】电脑开机后鼠标乱跳，键盘不能使用，并且出现死机故障··························· 10 【案例23】电脑从待机状态被唤醒后屏幕会变成黑屏，并且出现死机··························· 10 【案例24】电脑总是在使用三五个小时后出现死机故障 ·················································· 11
5、注册表故障维修 【案例25】“我的文档”无法打开，提示被禁用································································ 11 【案例26】单击鼠标右键无法弹出右键菜单 ····································································· 11 【案例27】删除文件时提示“文件正在使用无法删除” ·················································· 12 【案例28】注册表不能使用································································································· 13 II
案例大全 【案例29】用卸载程序无法将软件卸载 ············································································· 13 6、电脑上网故障 【案例30】IE浏览器提示“发生内部错误”故障 ····························································· 13 【案例31】IE浏览器提示“出现运行错误”故障 ····························································· 15 【案例32】IE浏览器窗口始终最小化故障········································································· 15 【案例33】宽带拨号连接提示680故障 ············································································· 16 【案例34】电脑上网时频繁掉线 ························································································· 16 【案例35】电脑上网时经常自动弹出广告页面·································································· 17 【案例36】重新安装IE浏览器时无法卸载IE浏览器 ······················································ 17 【案例37】“网上邻居”窗口中看不见网络中的共享文件 ················································ 17 【案例38】电脑单机启动很快，但接入局域网后启动速度变慢 ······································ 18
7、电脑病毒与木马故障 【案例39】电脑开机后，运行任何程序都死机·································································· 18 【案例40】上网更新系统后，电脑出现经常死机故障 ······················································ 18 【案例41】家中三台电脑可以互访，但都无法上网 ·························································· 19 【案例42】双核电脑运行速度很慢，打开一个窗口要等半天 ·········································· 19
8、系统备份与还原实例 【案例43】非法关机后导致系统不能正常运行·································································· 19 【案例44】感染病毒后系统崩溃 ························································································· 20 【案例45】误删除系统文件导致系统无法正常启动 ·························································· 20 【案例46】电脑感染病毒后导致系统瘫痪 ········································································· 20
9、数据恢复与拯救实例 【案例47】Word文档无法打开 ··························································································· 21 【案例48】Excel文件损坏无法打开 ··················································································· 21 【案例49】E-mail文件损坏无法打开 ················································································· 22 【案例50】恢复“回收站”中删除的文档 ········································································· 22 【案例51】硬盘被分区后，硬盘中的重要文件丢失 ·························································· 22 【案例52】硬盘损坏，无法读取硬盘中的数据·································································· 22 【案例53】SM卡损坏，无法读取照片··············································································· 23