一、如何檢測筆記本電源適配器故障

第1步：首先可通過輕搖電源接頭或電池查看電源適配器或筆記本電(dian)池是否接觸(chu)良好，如不正常(chang)，嘗試重(zhong)新安裝電(dian)源適配器或電(dian)池。可能(neng)出現的故障情況為電(dian)源接頭變形或電(dian)池觸(chu)點彈性下降。

第2步：如果電(dian)(dian)源(yuan)或(huo)電(dian)(dian)池(chi)接(jie)頭良好，可用萬用表(biao)測電(dian)(dian)源(yuan)適(shi)(shi)配器或(huo)電(dian)(dian)池(chi)的輸(shu)出(chu)(chu)(chu)(chu)電(dian)(dian)壓(ya)，主(zhu)要查(cha)看輸(shu)出(chu)(chu)(chu)(chu)電(dian)(dian)壓(ya)是否(fou)穩定，以(yi)及實際(ji)輸(shu)出(chu)(chu)(chu)(chu)電(dian)(dian)壓(ya)值與(yu)電(dian)(dian)源(yuan)標稱電(dian)(dian)壓(ya)是否(fou)吻合，如果輸(shu)出(chu)(chu)(chu)(chu)不穩定或(huo)實際(ji)輸(shu)出(chu)(chu)(chu)(chu)電(dian)(dian)壓(ya)與(yu)產品標稱相差懸殊，則需(xu)更換損(sun)壞的電(dian)(dian)源(yuan)適(shi)(shi)配器或(huo)電(dian)(dian)池(chi)。

該圖片由注冊用戶"扁扁小迷妹"提供，版權聲明反饋

第3步：如以上檢(jian)測步驟均顯示正常，則(ze)可推斷(duan)故障在筆記本電(dian)(dian)源板(ban)或主板(ban)上，此處需打開筆記本電(dian)(dian)腦外殼(ke)，并(bing)檢(jian)查電(dian)(dian)源板(ban)與主板(ban)是否(fou)接觸良(liang)好。

第4步：如果(guo)電(dian)(dian)源(yuan)板(ban)和(he)電(dian)(dian)池均接觸良好，則用DIY普遍使用的替(ti)換法檢查電(dian)(dian)源(yuan)板(ban)是否正常(chang)，如不正常(chang)，更換即可(ke)。

第5步：如通過以上方(fang)法確認電源(yuan)板、電池均正常(chang)，則可推斷是筆記本主(zhu)板或其(qi)他主(zhu)部(bu)件(jian)損壞（如開機電路故障），此時可維修或更換主(zhu)板。

二、電源適配器壞了怎么辦

1、檢(jian)查電源(yuan)適配器指標燈，如果指示(shi)燈亮，一般(ban)認為從(cong)電源(yuan)到適配器之間沒(mei)有問題(ti)，必須保證是指示(shi)燈本身(shen)沒(mei)壞。

2、檢(jian)查電(dian)(dian)(dian)源(yuan)(yuan)(yuan)適(shi)配(pei)(pei)(pei)器(qi)(qi)到(dao)電(dian)(dian)(dian)腦之間的(de)(de)(de)有沒有電(dian)(dian)(dian)。這個可以通過筆(bi)(bi)記本(ben)的(de)(de)(de)指示燈顯示，有電(dian)(dian)(dian)源(yuan)(yuan)(yuan)充到(dao)筆(bi)(bi)記本(ben)的(de)(de)(de)時候，那(nei)個充電(dian)(dian)(dian)指示燈會亮。否則，不(bu)會亮。或(huo)者找一(yi)個同品牌的(de)(de)(de)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)適(shi)配(pei)(pei)(pei)器(qi)(qi)交換(huan)試試。用你的(de)(de)(de)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)適(shi)配(pei)(pei)(pei)器(qi)(qi)手(shou)對方(fang)筆(bi)(bi)記本(ben)，如果(guo)對方(fang)電(dian)(dian)(dian)腦工(gong)作正常，則你的(de)(de)(de)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)適(shi)配(pei)(pei)(pei)器(qi)(qi)沒問(wen)(wen)題。否則，可能(neng)你的(de)(de)(de)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)適(shi)配(pei)(pei)(pei)器(qi)(qi)有問(wen)(wen)題。如果(guo)對方(fang)的(de)(de)(de)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)適(shi)配(pei)(pei)(pei)器(qi)(qi)插你電(dian)(dian)(dian)腦上后(hou)，你的(de)(de)(de)電(dian)(dian)(dian)腦工(gong)作正常，而用自己(ji)的(de)(de)(de)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)適(shi)配(pei)(pei)(pei)器(qi)(qi)卻不(bu)能(neng)正常工(gong)作，那(nei)么你的(de)(de)(de)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)適(shi)配(pei)(pei)(pei)器(qi)(qi)有問(wen)(wen)題。

3、觀測電(dian)腦(nao)的指示燈變化(hua)。如果(guo)你插上電(dian)源適(shi)配(pei)器后，你可以看到(dao)充(chong)電(dian)的指示燈時(shi)亮時(shi)滅(mie)(mie)，有(you)時(shi)間一(yi)直不滅(mie)(mie)，則是筆(bi)記(ji)本里面那(nei)個電(dian)源適(shi)配(pei)器接(jie)口有(you)問題，一(yi)般(ban)可能里面線(xian)斷了，電(dian)路(lu)板老化(hua)，焊接(jie)掉(diao)落等(deng)原因。此稱為(wei)虛焊現象。這種情況只(zhi)有(you)叫專家修理了。

三、更多電源適配器常見問題

1、都是同樣標稱電壓的電源，輸出電流不同，能不能用在同一臺筆記本上？

電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)一(yi)樣，輸出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)不(bu)同，能不(bu)能用在(zai)同一(yi)臺(tai)本(ben)本(ben)上(shang)。基本(ben)的(de)原則是(shi)(shi)(shi)大(da)(da)標稱(cheng)(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)可(ke)以(yi)代替(ti)(ti)小標稱(cheng)(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)。估計有人(ren)會這樣想，覺得(de)大(da)(da)標稱(cheng)(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)會燒壞本(ben)本(ben)，因為電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)大(da)(da)了(le)(le)嘛。實際上(shang)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)多大(da)(da)在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)相同的(de)情況下(xia)取(qu)決于負(fu)載(zai)，呵(he)呵(he)，想想初中的(de)物理就(jiu)知道了(le)(le)。當本(ben)本(ben)高負(fu)荷運轉(zhuan)的(de)時候，電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)大(da)(da)些，本(ben)本(ben)進(jin)入待機(ji)的(de)時候，電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)就(jiu)小些，大(da)(da)標稱(cheng)(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)有足夠的(de)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)余量(liang)。反(fan)之，有人(ren)用56w的(de)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)代替(ti)(ti)72w的(de)用起來也沒什么問題(ti)，原因是(shi)(shi)(shi)通常電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適配器的(de)設計留有一(yi)定的(de)余量(liang)，負(fu)載(zai)功(gong)率(lv)都要(yao)小于電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)功(gong)率(lv)，所以(yi)這種代替(ti)(ti)在(zai)一(yi)般(ban)使用上(shang)是(shi)(shi)(shi)可(ke)行的(de)，但是(shi)(shi)(shi)剩(sheng)余的(de)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)功(gong)率(lv)余量(liang)就(jiu)很少了(le)(le)，一(yi)旦你的(de)本(ben)本(ben)接了(le)(le)很多外(wai)設，比(bi)如(ru)兩塊usb硬盤，然(ran)后(hou)cpu全速運轉(zhuan)，再(zai)有一(yi)個(ge)底(di)座，上(shang)面來個(ge)光驅全速讀盤，再(zai)加上(shang)同時給電(dian)(dian)(dian)(dian)(dian)(dian)池充電(dian)(dian)(dian)(dian)(dian)(dian)，估計就(jiu)危險了(le)(le)，要(yao)隨時用手摸摸你的(de)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)是(shi)(shi)(shi)不(bu)是(shi)(shi)(shi)已經(jing)可(ke)以(yi)煮雞(ji)蛋了(le)(le)。所以(yi)最好不(bu)要(yao)用小電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)代替(ti)(ti)大(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)。

2、一模一樣的機器，別人的電源溫溫的，我的總是很燙，為什么？

先不(bu)要懷疑你的(de)電源有問題，先看(kan)看(kan)你的(de)本本在干什么(me)，是(shi)不(bu)是(shi)像上(shang)面(mian)說的(de)兩塊USB硬盤，CPU全速運轉，硬盤瘋(feng)狂讀(du)寫，光驅全速讀(du)盤，同(tong)時給電池充(chong)電，大聲放著音樂(le)，屏幕亮度最大，無線(xian)網卡(ka)一(yi)直在偵測信號等等，善用電源管理(li)，根(gen)據任務合(he)理(li)調整本本的(de)工作狀態(tai)是(shi)很重要的(de)。

3、電源標稱電壓比我的本本電池電壓高很多，不會出事吧？

首先，要(yao)知道的(de)是(shi)，電(dian)源給(gei)本(ben)本(ben)供電(dian)與電(dian)池給(gei)本(ben)本(ben)供電(dian)是(shi)不同的(de)。

電(dian)(dian)池供電(dian)(dian)，電(dian)(dian)池的輸出是純直流，干凈得很(hen)(hen)，電(dian)(dian)池的電(dian)(dian)壓既不(bu)可(ke)能也不(bu)需(xu)要(yao)設計得很(hen)(hen)高，鋰電(dian)(dian)池的化學(xue)特性決定了一節電(dian)(dian)芯的輸出電(dian)(dian)壓只能在3。6V左右，所以(yi)很(hen)(hen)多(duo)電(dian)(dian)池都是采用三級串聯的方式，10。8V也就成了很(hen)(hen)流行的電(dian)(dian)池電(dian)(dian)壓。有(you)些(xie)電(dian)(dian)池的標稱值(zhi)比3。6V的整數倍稍(shao)大一些(xie)，比如3。7V或者11。2V等等，其實(shi)是為了保護電(dian)(dian)池。

電(dian)(dian)(dian)源(yuan)供電(dian)(dian)(dian)，情況(kuang)就復雜一些，首先需要對加(jia)入電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)進(jin)行進(jin)一步的(de)(de)(de)穩壓(ya)(ya)(ya)(ya)(ya)濾波，以保證在電(dian)(dian)(dian)源(yuan)性能不(bu)很好的(de)(de)(de)情況(kuang)下穩定工作，穩壓(ya)(ya)(ya)(ya)(ya)后(hou)的(de)(de)(de)電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)分(fen)成兩個部分(fen)，一路給(gei)本(ben)(ben)本(ben)(ben)工作供電(dian)(dian)(dian)，另一路給(gei)電(dian)(dian)(dian)池(chi)充(chong)電(dian)(dian)(dian)，給(gei)本(ben)(ben)本(ben)(ben)供電(dian)(dian)(dian)的(de)(de)(de)那(nei)部分(fen)同電(dian)(dian)(dian)池(chi)供電(dian)(dian)(dian)的(de)(de)(de)時候相同，而給(gei)電(dian)(dian)(dian)池(chi)充(chong)電(dian)(dian)(dian)的(de)(de)(de)那(nei)部分(fen)需要通(tong)過電(dian)(dian)(dian)池(chi)的(de)(de)(de)充(chong)電(dian)(dian)(dian)控(kong)制(zhi)電(dian)(dian)(dian)路才(cai)可(ke)以加(jia)在電(dian)(dian)(dian)芯(xin)(xin)上(shang)(shang)，控(kong)制(zhi)電(dian)(dian)(dian)路可(ke)以很復雜，所以電(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)必須大于電(dian)(dian)(dian)芯(xin)(xin)電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)才(cai)有(you)充(chong)分(fen)的(de)(de)(de)能力供應給(gei)充(chong)電(dian)(dian)(dian)控(kong)制(zhi)電(dian)(dian)(dian)路的(de)(de)(de)各單元。最(zui)后(hou)真正加(jia)到電(dian)(dian)(dian)芯(xin)(xin)上(shang)(shang)的(de)(de)(de)電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)決(jue)不(bu)會是你(ni)的(de)(de)(de)電(dian)(dian)(dian)源(yuan)標稱(cheng)的(de)(de)(de)電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)。

上面為大家詳細介紹了筆記本電源適配器故障檢測，以(yi)及(ji)筆記本(ben)電(dian)源適(shi)配器(qi)壞了怎么修的相關內容，筆記本(ben)電(dian)腦(nao)電(dian)源適(shi)配器(qi)是我們(men)工作(zuo)生活中都比較常用的，所以(yi)了解相關知識，更有利于安全(quan)便捷的使用電(dian)源適(shi)配器(qi)。