,Click to edit Master text styles,Second level,Dell Confidential,Services Training,Click to edit Master title style,Page,*,Dell Confidential,台式机常见问题及建议,Dell Confidential,正确区分症状如,No POST/No Power/In-complete POST/No boot:,指示灯,/diagnostic led,的状态正确区分如下：,No Power:,前面板电源指示灯不亮,No POST,：前面板电源指示灯亮但诊断灯不是正常甚至不亮（根本无显）,In-Complete POST:,不完全启动即有显示但无法通过,POST,也就是无法通过,Dell logo,画面,No boot,：有显示，但是无法启动到系统,Dell Confidential,RTC jumper/Password jumper:,Dell Confidential,Clear PSWD:,1.By Default:Attached,Pin2&3,2.Plug,Pin1&2,then power on,3.Shut down,then reseat the jumpers,Clear CMOS:,1.By Default:Attached Pin2&3,2.Plug Pin1&2,wait for 5 secs,3.Reseat the jumpers,BIOS Passwords&CMOS Reset,Dell Confidential,硬盘,debug,测试,:,如果您的电脑出现以下情况：,1.,病毒破坏分区表，修复无效,;,2.,安装多操作系统导致分区表异常，造成系统崩溃；,3.,恶意软件锁死硬盘,;,4.,使用,PQ Magic,等第三方分区软件造成的硬盘异常。,您可以使用,Debug,命令来清除硬盘信息，然后重建分区以重新安装操作系统。,警告：执行该操作后所有硬盘数据会永久性丢失，请谨慎选择执行该操作！,本文档仅供参考，,DELL,公司将不对原有数据承担任何责任。,Dell Confidential,操作步骤,1.,使用,DELL,的驱动程序光盘引导，选择退出到,DOS,模式下，在系统提示符（光驱盘符）,E:,后键入命令,“,Debug,”,并按,“,Enter,”,键确认。此时系统将出现短横线提示符，然后仔细键入以下命令行（字母没有大小写分别），以第一行为例：依次输入 字母,F,，空格，数字,200,，空格，字母,L,，数字,100,，空格，数字,0,，,Enter,。,2.,命令行全文如下：,A:debug,“,Enter,-F 200 L100 0,“,Enter,”,-A CS:100,“,Enter,”,xxxx:0100 MOV AX,301 Enter,”,注：,xxxx:0100,为系统提示，不需要输入,xxxx:0103 MOV BX,200,“,Enter,”,xxxx:0106 MOVCX,1,“,Enter,”,xxxx:0109 MOV DX,80,“,Enter,”,注：如需要清除机器内第二硬盘的数据，只需将,80,改为,81,即可,xxxx:010C INT 13,“,Enter,”,xxxx:010E INT 20,“,Enter,”,xxxx:0110,“,Enter,”,-G,“,Enter,”,3.,输入完毕，按回车后，之前输入的信息被清除，没有任何成功提示，机器没有响应。只能按,Ctrl+Alt+Del,重启。,4.,重新启动电脑并安装操作系统。,Dell Confidential,电源自检,:,1 Disconnect the power cord of PSU.,2 Remove all cables(Power source)which connect system internal components.,3 Short DC power connector pins Green with one of black(Color),4 Connect power cord,Dell Confidential,How to power on the system without power button?,1.Clear RTC jumper,2.Reseat battery,Dell Confidential,电源指示灯,/,诊断灯,/beep code:,Dell Confidential,Power LED,The state displayed by the LED can provide the user with a wealth of information about the state of the system.Each of these states is shown in the table below.,Normal Operating Conditions,When the system is operating normally the user will only see three of the five LED states.These states indicate the ACPI Power Management state that system is in.,Off,Blinking Amber,Solid Amber,Solid Green,Blinking,Green,System is in a S5,S4 ACPI State,System is in anS0 ACPI state.,System is in an S1 orS3 Standby ACPI state.,Dell Confidential,Power LED for troubleshooting,The Amber LED states provide the user or technicians with additional information about system state when it is not functioning properly.,The computer does not appear to be receiving power from the power source.,The power supply is receiving power from the source,but is unable to properly distribute it to the components.,The power supply is functioning,but the system is notprocessing data.,System is processing data and has,at least,begun P.O.S.T.tests.,Dell Confidential,Diagnostic LED,New diagnostic LED,Dell Confidential,Beep Codes,Your computer might emit a series of beeps during start-up if the monitor cannot display errors or problems.This series of beeps,called a beep code,identifies a problem.,You can obtained the beep codes message from DELL external website.Eg.,http:/ Confidential,Noise issue,现在,noise,问题比较多，需要强调以下几点,准确找到噪音源是哪个部件，记住必须拔掉可能的部件测试（如,HD/Chassis Fan/Video Fan/CPU fan.,等等）而不是用听的来判断噪音源,需要认真排除各种可能的因素，如：灰尘，通风性比较差，系统等等,如果是刚刚换过,MB,，发出噪音，请先刷主板不同版本的,BIOS,测试,Dim5150 HD,会导致机箱共振，听起来像,CPU fan,出的声音，一定要拔掉,HD,测试，如果,HD,在机型外运行时没有声音，就是机箱共振，需要,call CC,处理。,关于,SATA HD,噪音的问题，如果只是读盘声音比较大，请尽量跟客户解释属于正常的情况，如果客户不接受请,Dell Confidential,产品常见问题,(hot issue),Product,Symptom,Suggestion,Dim E520,在启动或安装系统过程中，出现,0 x7b,的代码,adjust SATA Operation to Autodetect/ATA,在换完主板之后，会不停重启系统的问题,Dim 5150,No POST-BY-OOOO,做测试之前先检查前面板,USB PORT,是否物损,Dim4700,No POST-BY-OOOO,请先拔掉,CPU Fan,ALL,机型,当,RCD,可以从光驱启动，而系统光盘无法从光驱启动的情况,Please remove HD to test,if ok.Backup data then Run debug,当安装系统时 无法,loading file,时,Dell Confidential,Q/A?,Dell Confidential,Backup,Dell Confidential,System,Beep,Codes for Inspiron 530/530s,Code,Description,1,BIOS ROM checksum in progress or failure,2,No memory modules detected,3,Chipset error(North and Southbridge chipset,DMA/IMR/Timer Error for Intel platform);chipset error,Time-Of-Day Clock test failure,Gate A20 failure,Super I/O chip failure,Keyboard controller test failure,4,RAM read/write failure,5,Real time clock failure.Possible battery failure or system board failure.,6,Video BIOS test failure,7,CPU cache test failure,