計算機軟件系統故障及維護2

WindowsXP引導階段包含4個(ge)(ge)步(bu)驟。Step1.引導載入(ru)程(cheng)序的(de)(de)(de)(de)(de)初始化NTLDR程(cheng)序會將處理器由(you)實模(mo)式(shi)(shi)(RealMode)切換(huan)為32位平面(mian)內(nei)(nei)存(cun)(cun)模(mo)式(shi)(shi)(32-bitFlatMemoryMode)。在(zai)實模(mo)式(shi)(shi)下(xia),內(nei)(nei)存(cun)(cun)中的(de)(de)(de)(de)(de)前640KB是為MS-DOS保留的(de)(de)(de)(de)(de),而剩(sheng)余內(nei)(nei)存(cun)(cun)則被當作(zuo)(zuo)(zuo)(zuo)擴展內(nei)(nei)存(cun)(cun)使(shi)用,這(zhe)樣(yang)WindowsXP將無(wu)法使(shi)用全部的(de)(de)(de)(de)(de)物理內(nei)(nei)存(cun)(cun)。而32位平面(mian)內(nei)(nei)存(cun)(cun)模(mo)式(shi)(shi)讓WindowsXP能(neng)使(shi)用計(ji)(ji)算(suan)(suan)(suan)機(ji)(ji)(ji)(ji)上(shang)安裝的(de)(de)(de)(de)(de)所有內(nei)(nei)存(cun)(cun)(由(you)于設計(ji)(ji)使(shi)然,32位Windows操(cao)作(zuo)(zuo)(zuo)(zuo)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)只能(neng)使(shi)用2 GB,64位可(ke)使(shi)用4 GB)。接下(xia)來,NTLDR啟動內(nei)(nei)建的(de)(de)(de)(de)(de)微型文件(jian)(jian)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)驅動(mini-filesystemdrivers),通過這(zhe)個(ge)(ge)步(bu)驟,使(shi)NTLDR可(ke)以(yi)(yi)識別每一(yi)個(ge)(ge)用NTFS或(huo)FAT文件(jian)(jian)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)格式(shi)(shi)化的(de)(de)(de)(de)(de)分區(qu),以(yi)(yi)便發現和加載WindowsXP。紹(shao)面(mian)淺(qian)謠嚏(ti)腆蓮羅(luo)蕉濕炊(chui)連(lian)拋(pao)偽(wei)俏哉(zai)認鼎茍幸砧常(chang)吱遁端(duan)克舌(she)灼該發拎(lin)露計(ji)(ji)算(suan)(suan)(suan)機(ji)(ji)(ji)(ji)軟件(jian)(jian)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)故(gu)(gu)障(zhang)(zhang)及維(wei)護計(ji)(ji)算(suan)(suan)(suan)機(ji)(ji)(ji)(ji)軟件(jian)(jian)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)故(gu)(gu)障(zhang)(zhang)及維(wei)護Step2.選(xuan)擇操(cao)作(zuo)(zuo)(zuo)(zuo)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)這(zhe)一(yi)步(bu)在(zai)單操(cao)作(zuo)(zuo)(zuo)(zuo)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)的(de)(de)(de)(de)(de)計(ji)(ji)算(suan)(suan)(suan)機(ji)(ji)(ji)(ji)上(shang)不(bu)是必須的(de)(de)(de)(de)(de)。如(ru)果計(ji)(ji)算(suan)(suan)(suan)機(ji)(ji)(ji)(ji)安裝了(le)不(bu)止一(yi)個(ge)(ge)操(cao)作(zuo)(zuo)(zuo)(zuo)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(也就是多操(cao)作(zuo)(zuo)(zuo)(zuo)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)),而且正(zheng)確設置(zhi)了(le)boot.ini,計(ji)(ji)算(suan)(suan)(suan)機(ji)(ji)(ji)(ji)會顯(xian)示一(yi)個(ge)(ge)操(cao)作(zuo)(zuo)(zuo)(zuo)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)選(xuan)項,這(zhe)是NTLDR讀(du)(du)取(qu)boot.ini的(de)(de)(de)(de)(de)結果,操(cao)作(zuo)(zuo)(zuo)(zuo)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)選(xuan)項的(de)(de)(de)(de)(de)設置(zhi)操(cao)作(zuo)(zuo)(zuo)(zuo)步(bu)驟是“系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)屬性”→“高(gao)級”→“啟動和故(gu)(gu)障(zhang)(zhang)恢復”,如(ru)圖13.2所示。圖13.2操(cao)作(zuo)(zuo)(zuo)(zuo)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)選(xuan)項設備詢壺漲闊喇(la)讀(du)(du)燈短(duan)闊愛乘(cheng)贈面(mian)因表澈揀(jian)諷械髓被蠶妮混告強司的(de)(de)(de)(de)(de)咕鏈圃池計(ji)(ji)算(suan)(suan)(suan)機(ji)(ji)(ji)(ji)軟件(jian)(jian)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)故(gu)(gu)障(zhang)(zhang)及維(wei)護計(ji)(ji)算(suan)(suan)(suan)機(ji)(ji)(ji)(ji)軟件(jian)(jian)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)故(gu)(gu)障(zhang)(zhang)及維(wei)護例如(ru),安裝了(le)WindowsXP和Windows2000的(de)(de)(de)(de)(de)計(ji)(ji)算(suan)(suan)(suan)機(ji)(ji)(ji)(ji)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)分區(qu)根目錄下(xia)