{"id":55492,"date":"2020-11-11T02:00:01","date_gmt":"2020-11-11T10:00:01","guid":{"rendered":"https:drivesaversdatarecovery.com\/\/?p=55492"},"modified":"2026-04-27T07:51:50","modified_gmt":"2026-04-27T14:51:50","slug":"what-does-formatting-a-hard-drive-do","status":"publish","type":"post","link":"https:\/\/drivesaversdatarecovery.com\/fi\/blog\/what-does-formatting-a-hard-drive-do\/","title":{"rendered":"Mit\u00e4 kiintolevyn alustaminen tekee?"},"content":{"rendered":"
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\u201cMit\u00e4 tapahtuu, jos alust\u00e4n kiintolevyni?\u201d T\u00e4m\u00e4 on luultavasti yksi yleisimmist\u00e4 kysymyksist\u00e4 uusilta tietokoneen k\u00e4ytt\u00e4jilt\u00e4.<\/p>\n

Did you know every hard drive begins life being formatted at the factory where it was built? This may surprise you since formatting seems like something you only do when you have a major problem with your drive. But formatting a hard drive can be useful in many different situations. So <\/span>what is formatting<\/b>, really? And what does formatting a hard drive do?
\r\n<\/span><\/p>\n

Kun levy alustetaan, sen aikaisempi sis\u00e4lt\u00f6 poistetaan kokonaan. Kaikki tiedot poistetaan ja tilaa tehd\u00e4\u00e4n uusille tiedoille ja tiedostoj\u00e4rjestelmille. Levyn alustamiseen voi olla useita eri syit\u00e4. Saatat olla huolissasi tietoturvasta, haluat ehk\u00e4 k\u00e4ytt\u00e4\u00e4 laitteistoa uudelleen tai asentaa uuden tiedostoj\u00e4rjestelm\u00e4n laitteeseen. Tai yrit\u00e4t ehk\u00e4 korjata vakavia virheit\u00e4 laitteessa.<\/span><\/p>\n

Olipa syy mik\u00e4 tahansa, lopputulos on se, ett\u00e4 oikein suoritettuna <\/span>kiintolevyn alustaminen <\/b>parantaa laitteen suorituskyky\u00e4. Mutta ennen kuin k\u00e4sittelemme, mit\u00e4 alustaminen tekee, sinun on ymm\u00e4rrett\u00e4v\u00e4 <\/span>miten kiintolevy alustetaan <\/b>ensinn\u00e4kin.<\/span><\/p>\n

Kuinka alustaa kiintolevy<\/h2>\n

Nyt kun tied\u00e4t, mit\u00e4 \u201dalustaminen\u201d tarkoittaa, siirryt\u00e4\u00e4n itse toimenpiteeseen. Ennen kuin alustat kiintolevyn, varmista, ett\u00e4 varmuuskopioit tietosi. \u00c4l\u00e4 koskaan alusta levy\u00e4, jos tietosi eiv\u00e4t ole tallennettu my\u00f6s muualle! Alustaminen voi tuhota kaikki levyn tiedot pysyv\u00e4sti. (Lis\u00e4tietoa tietojen poistamisesta saat artikkelista: Ovatko tietosi todella poissa?)<\/span><\/a><\/span><\/p>\n

Kiintolevyn alustaminen <\/b>on itse asiassa melko helppoa. Ensin katsomme, kuinka suoritetaan pikamuotoilu, joka ei poista tietoja. Sek\u00e4 Windowsissa ett\u00e4 Macissa levy voidaan <\/span>alustaa viidess\u00e4 vaiheessa<\/b>.<\/span><\/p>\n

Pika-alustaminen Windowsissa<\/span><\/h3>\n

N\u00e4in alustat ei-k\u00e4ynnistett\u00e4v\u00e4n kiintolevyn Windowsissa.<\/span><\/p>\n

    \n
  1. If your drive isn\u2019t already installed on your PC, connect the hard drive to the computer.<\/span><\/li>\n
  2. Open Windows Explorer, and navigate to the left side of the window. Right-click on your drive and select \u201cFormat.\u201d<\/span><\/li>\n
  3. Pick the file system and name it under \u201cVolume Label.\u201d<\/span><\/li>\n
  4. Perform a \u201cQuick Format.\u201d<\/span><\/li>\n
  5. Click \u201cStart.\u201d<\/span><\/li>\n<\/ol>\n

    Kun prosessi on valmis, sinulla on puhdas kiintolevy k\u00e4ytett\u00e4viss\u00e4si. Siirryt\u00e4\u00e4n nyt samaan prosessiin Mac-tietokoneilla!<\/span><\/p>\n

    Pika-alustaminen Macilla<\/span><\/h3>\n

    N\u00e4in alustat ei-k\u00e4ynnistett\u00e4v\u00e4n kiintolevyn Macilla.<\/span><\/p>\n

      \n
    1. Navigate to the Disk Utility app.<\/span><\/li>\n
    2. Go to \u201cChoose View\u201d and select \u201cShow All Devices.\u201d<\/span><\/li>\n
    3. Click on the disk you want to erase.<\/span><\/li>\n
    4. Rename the disc, choose the format you want (APFS or Mac OS Extended), and select the \u201cGUID Partition Map\u201d scheme.<\/span><\/li>\n
    5. Click \u201cErase.\u201d<\/span><\/li>\n<\/ol>\n

      Pika-alustus toimii hyvin kiintolevyn siivoamiseen, mutta se ei poista kaikkia tietoja kokonaan. Mutta ent\u00e4 jos haluat tyhjent\u00e4\u00e4 levyn t\u00e4ysin ja turvallisesti? Jos turvallisuus on huolenaihe esimerkiksi myydess\u00e4si tai lahjoittaessasi levyn, tarvitset t\u00e4yden alustuksen.<\/span><\/p>\n

      T\u00e4ysi alustus on yht\u00e4 helppoa kuin pika-alustus, mutta muista! T\u00e4ysi alustus poistaa kaikki tiedot kiintolevylt\u00e4si, joten varmista kahteen kertaan, ett\u00e4 haluat tehd\u00e4 sen <\/span>ennen kuin <\/span><\/i>jatkat!<\/span><\/p>\n

      T\u00e4ysi alustus Windowsissa<\/span><\/h3>\n

      Jos k\u00e4ytt\u00f6j\u00e4rjestelm\u00e4si on Windows, seuraa aiemmin kuvattua prosessia, mutta ohita vaihe\u00a04.\u00a0<\/span><\/p>\n

        \n
      1. If your drive isn\u2019t already installed on your PC, connect the hard drive to the computer.<\/span><\/li>\n
      2. Open Windows Explorer, and navigate to the left side of the window. Right-click on your drive and select \u201cFormat.\u201d<\/span><\/li>\n
      3. Pick the file system and name it under \u201cVolume Label.\u201d<\/span><\/li>\n
      4. Click \u201cStart.\u201d<\/span><\/li>\n<\/ol>\n

        Jos k\u00e4yt\u00f6ss\u00e4si on Mac, kolme ensimm\u00e4ist\u00e4 vaihetta ovat samat sek\u00e4 pika- ett\u00e4 t\u00e4ydess\u00e4 alustuksessa:<\/span><\/p>\n

          \n
        1. Navigate to the Disk Utility app.<\/span><\/li>\n
        2. Go to \u201cChoose View\u201d and select \u201cShow All Devices.\u201d<\/span><\/li>\n
        3. Click on the disk you want to erase.<\/span><\/li>\n
        4. Click \u201cEdit\u201d in the upper left corner of the window.<\/span><\/li>\n
        5. Click \u201cDelete APFS Volume\u201d from the menu bar.<\/span><\/li>\n
        6. You may see an \u201cErase Group Volume\u201d button appear. If so, click the button.<\/span><\/li>\n
        7. If prompted, click \u201cDelete.\u201d<\/span><\/li>\n<\/ol>\n

          Mit\u00e4 kiintolevyn alustaminen tekee?<\/span><\/h2>\n

          Joten, <\/span>mit\u00e4 tapahtuu, kun levy alustetaan<\/b>? Riippumatta siit\u00e4, miksi kiintolevy alustetaan, lopputulos on aina sama. T\u00e4ss\u00e4 on, mit\u00e4 voit odottaa.<\/span><\/p>\n

          Tulosa nro 1: Puhdistaa ja uudistaa tiedostoj\u00e4rjestelm\u00e4n<\/span><\/h3>\n

          Kun alustat kiintolevyn, valitset tiedostoj\u00e4rjestelm\u00e4n tyypin, jota uusi alustettu levy k\u00e4ytt\u00e4\u00e4 (esimerkiksi NTFS tai exFAT). Alustuksen aikana levyn tiedot k\u00e4yt\u00e4nn\u00f6ss\u00e4 poistetaan ja koko rakenne, jolla uutta dataa tallennetaan, muuttuu.<\/p>\n

          Tulosa nro 2: Parantaa laitteen suorituskyky\u00e4<\/span><\/h3>\n

          Yksi suurimmista eduista kiintolevyjen ja tietokoneiden alustamisessa on laitteen suorituskyvyn parantuminen. Alustaminen toimii kuin nollaus, joka palauttaa toiminnan siihen tilaan, jossa se oli tietokonetta ostaessasi. Mutta mit\u00e4 alustaminen oikeastaan tekee, mik\u00e4 tekee siit\u00e4 niin hy\u00f6dyllist\u00e4?<\/p>\n

          Kun alustat, levyn tila tyhjennet\u00e4\u00e4n k\u00e4ytt\u00f6\u00f6si. Kun merkitt\u00e4v\u00e4 m\u00e4\u00e4r\u00e4 tallennustilaa vapautuu, laitteellasi on enemm\u00e4n muistia k\u00e4ytett\u00e4viss\u00e4\u00e4n ja se suorittaa komennot huomattavasti tehokkaammin. Yksinkertaisesti sanottuna: mit\u00e4 enemm\u00e4n vapaata tallennustilaa sinulla on, sit\u00e4 nopeammin tietokoneesi toimii! Jos siis tietokoneesi on hidas tai toimii oudosti, levyn alustaminen voi auttaa.<\/p>\n

          Kiintolevyn alustaminen siivoaa my\u00f6s levytilaa poistamalla tarpeettoman tai haitallisen sis\u00e4ll\u00f6n. T\u00e4h\u00e4n voi kuulua haittaohjelmia ja muita viruksia, joita virustorjuntaohjelmasi ei ole havainnut. N\u00e4m\u00e4 ohjelmat tekev\u00e4t parhaansa uhkien poistamiseksi, mutta eiv\u00e4t ole t\u00e4ydellisi\u00e4 ja voivat joskus j\u00e4tt\u00e4\u00e4 uhkia huomaamatta.<\/p>\n

          K\u00e4ytt\u00f6j\u00e4rjestelm\u00e4n (OS) toimintaan asennetut tiedostot voivat ajan my\u00f6t\u00e4 vioittua, mik\u00e4 hidastaa laitteesi toimintaa. Kun kiintolevy alustetaan, k\u00e4ytt\u00f6j\u00e4rjestelm\u00e4 asennetaan uudelleen. J\u00e4rjestelm\u00e4virheet ja h\u00e4iri\u00f6t poistetaan, ja k\u00e4ytt\u00f6j\u00e4rjestelm\u00e4 palautetaan huippusuorituskykyyn.<\/p>\n

          Tulosa nro 3: Poistaa tiedot<\/span><\/h3>\n

          Poistaako levyn alustaminen tiedot? Kyll\u00e4! Itse asiassa useimmat ihmiset alustavat kiintolevyn juuri siksi, ett\u00e4 haluavat poistaa sen sis\u00e4ll\u00f6n. Jos et en\u00e4\u00e4 tarvitse tallennettuja tietoja, alustaminen on nopea tapa puhdistaa levy vain muutamalla toimenpiteell\u00e4.<\/p>\n

          Kuten aina, sinun tulisi varmuuskopioida henkil\u00f6kohtaiset tietosi s\u00e4\u00e4nn\u00f6llisesti automaattisesti, jotta v\u00e4lt\u00e4t odottamattoman tietojen menetyksen. Mutta jos joudut yht\u00e4kki\u00e4 alustamaan levyn vaihtaaksesi tiedostoj\u00e4rjestelm\u00e4\u00e4, tyhjent\u00e4\u00e4ksesi levyn tai parantaaksesi suorituskyky\u00e4, et halua menett\u00e4\u00e4 uusimpia tietojasi. Varaa siis muutama minuutti aikaa varmuuskopioidaksesi kovalevysi manuaalisesti ulkoiselle tallennusmedialle ennen alustamista.<\/p>\n

          Nyt kun tied\u00e4t, mit\u00e4 tietokoneen kiintolevyn alustaminen tarkoittaa, ei ole syyt\u00e4 olla tekem\u00e4tt\u00e4 sit\u00e4 suorituskyvyn parantamiseksi. Se voi kuitenkin olla riskialtista, jos et ole valmistautunut!<\/p>\n

          Kuten aina, henkil\u00f6kohtaiset tietosi tulisi varmuuskopioida automaattisesti s\u00e4\u00e4nn\u00f6llisesti yll\u00e4tt\u00e4v\u00e4n tietojen menetyksen est\u00e4miseksi<\/a>. Mutta jos joudut \u00e4killisesti alustamaan levyn vaihtaaksesi tiedostoj\u00e4rjestelm\u00e4\u00e4, tyhjent\u00e4\u00e4ksesi sen tai parantaaksesi suorituskyky\u00e4, et halua menett\u00e4\u00e4 uusimpia tietojasi. Varaa siis hetki varmuuskopioidaksesi levy manuaalisesti ennen alustamista.<\/span><\/p>\n

          Jos huomaat vahingossa alustaneesi levyn ilman tuoretta varmuuskopiota, toivo ei ole menetetty. P\u00e4tev\u00e4 kovalevyn palautusasiantuntija voi mahdollisesti etsi\u00e4 ja palauttaa tietosi \u2013 jopa alustetulta levylt\u00e4. <\/span>Ota yhteytt\u00e4 DriveSaversiin jo t\u00e4n\u00e4\u00e4n ja selvit\u00e4, voidaanko tietosi palauttaa<\/span><\/a>!<\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

          <\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"\u201cIf I format my hard drive, what happens?\u201d This is probably one of the most common questions asked by newer computer users. Did you know every hard drive begins life being formatted at the factory where it was built? This may surprise you since formatting seems like something you only do when you have a…","protected":false},"author":25,"featured_media":55506,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"inline_featured_image":false,"footnotes":""},"categories":[264],"tags":[],"post_series":[],"class_list":["post-55492","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","entry","has-media"],"acf":[],"yoast_head":"\nWhat Does Formatting a Hard Drive Do? - User Guide<\/title>\n<meta name=\"description\" content=\"What does formatting a hard drive do? Here\u2019s what happens when you format a drive. \u2713 Learn more today with DriveSavers Data Recovery!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/drivesaversdatarecovery.com\/fi\/blog\/what-does-formatting-a-hard-drive-do\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Does Formatting a Hard Drive Do?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/drivesaversdatarecovery.com\/fi\/blog\/what-does-formatting-a-hard-drive-do\/\" \/>\n<meta property=\"og:site_name\" content=\"DriveSavers Data Recovery Services\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DriveSavers\" \/>\n<meta property=\"article:published_time\" content=\"2020-11-11T10:00:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-27T14:51:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/drivesaversdatarecovery.com\/wp-content\/uploads\/2020\/11\/hard-drive-clean.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"627\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Mike Cobb\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@drivesavers\" \/>\n<meta name=\"twitter:site\" content=\"@drivesavers\" \/>\n<meta name=\"twitter:label1\" content=\"Kirjoittanut\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mike Cobb\" \/>\n\t<meta name=\"twitter:label2\" content=\"Arvioitu lukuaika\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minuuttia\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-does-formatting-a-hard-drive-do\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-does-formatting-a-hard-drive-do\\\/\"},\"author\":{\"name\":\"Mike Cobb\",\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/#\\\/schema\\\/person\\\/71a038c3b180b1f2df821d2b015b8ee6\"},\"headline\":\"What Does Formatting a Hard Drive Do?\",\"datePublished\":\"2020-11-11T10:00:01+00:00\",\"dateModified\":\"2026-04-27T14:51:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-does-formatting-a-hard-drive-do\\\/\"},\"wordCount\":1312,\"publisher\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-does-formatting-a-hard-drive-do\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/wp-content\\\/uploads\\\/2020\\\/11\\\/hard-drive-clean.webp\",\"articleSection\":[\"Blog\"],\"inLanguage\":\"fi\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-does-formatting-a-hard-drive-do\\\/\",\"url\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-does-formatting-a-hard-drive-do\\\/\",\"name\":\"What Does Formatting a Hard Drive Do? - User Guide\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-does-formatting-a-hard-drive-do\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-does-formatting-a-hard-drive-do\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/wp-content\\\/uploads\\\/2020\\\/11\\\/hard-drive-clean.webp\",\"datePublished\":\"2020-11-11T10:00:01+00:00\",\"dateModified\":\"2026-04-27T14:51:50+00:00\",\"description\":\"What does formatting a hard drive do? 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