Mac ili Windows računalo ne prepoznaje vaš vanjski tvrdi disk ili flash pogon? Ovo je čest problem, osobito pri povezivanju tvrdih diskova između Mac OS X , Windows i Linux . To se također može dogoditi na jednom sustavu gdje je dugo radio dobro, a zatim ga operativni sustav iznenada prestaje prepoznati.

Ponekad je popravak jednostavan, a ponekad malo kompliciraniji. U ovom ću članku pokušati proći kroz različita rješenja za Mac i Windows za rješavanje ovog problema. Način na koji je disk formatiran i koji se datotečni sustav koristi najčešći je razlog zašto pogon nije prepoznat.

Dodijelite slovo pogona

Drugi glavni razlog je taj što Windows ili Mac jednostavno ne prepoznaju disk i stoga se uopće neće ni pojaviti na vašem sustavu. To je obično problem s upravljačkim programima ili hardverom. Kako biste otkrili je li vaš problem povezan s formatiranjem ili ga ne prepoznajete, idite na Upravljanje diskom^{(Disk Management)}  u sustavu Windows ili Disk Utility na OS X i pogledajte prikazuje li se pogon tamo.

Ako se pogon prikazuje ovdje, ali ne u Windows Exploreru^{(Windows Explorer)} , možda ćete morati dodijeliti slovo pogona disku. Obično Windows to čini automatski, ali ponekad zbog drugih povezanih uređaja vaš će vanjski tvrdi disk biti prepoznat, ali mu neće biti dodijeljeno slovo pogona. U Upravljanju diskom^{(Disk Management)} , samo desnom tipkom miša kliknite disk i odaberite Promijeni slovo pogona i putove^{( Change Drive Letter and Paths)} .

Odaberite slovo za svoju vožnju i trebali biste krenuti. Ako se pogon prikazuje, ali dobivate poruke o tome da pogon treba formatirati itd., pročitajte sljedeći odjeljak u nastavku.

Na Mac računalima^(Macs) disk bi se trebao automatski pojaviti na radnoj površini. Ako ne, idite na Disk Utility i provjerite pojavljuje li se pod naslovom Vanjski^(External) .

Ako se pogon prikazuje ovdje, ali ne na radnoj površini OS X , kliknite Prva pomoć^{(First Aid)} da pokušate popraviti pogon. Ako pogon ima datotečni sustav koji OS X ne prepoznaje , morat ćete ga izbrisati i formatirati pomoću FAT ili HFS+ .

Ako se pogon uopće ne prikazuje u Disk Management ili Disk Utility , imate neku drugu vrstu problema. Pomaknite^(Scroll) se prema dolje do odjeljka Ne pojavljuje se^{(Not Showing Up)} u nastavku.

Formatirajte pogon

Kada su u pitanju formati datoteka, postoji nekoliko glavnih formata koji se koriste oko 99% vremena: FAT32 i NTFS za Windows i HFS+ (Mac OS Extended) za Macove^(Macs) . Sada OS X može čitati i pisati na diskove formatirane FAT32 , ali može čitati samo NTFS sveske.

Windows je lošiji u smislu da prema zadanim postavkama ne može niti čitati niti pisati u HFS+ formatirane sveske. Možete natjerati Windows da to učini, ali morate kupiti softver treće strane. Jedina druga opcija je formatirati tvrdi disk i koristiti FAT32 format za najbolju kompatibilnost.

Kada povežete HFS+ formatirani pogon na Windows , dobit ćete poruku u kojoj se navodi da je pogon potrebno formatirati kako bi se mogao koristiti.

Ako vidite ovu poruku, to samo znači da Windows ne prepoznaje datotečni sustav na disku. Provjerite^(Make) jeste li spojili pogon na odgovarajući operativni sustav i sigurnosno kopirajte sve podatke koji vam mogu zatrebati prije izvođenja formatiranja.

Dakle, koji je najbolji format za korištenje da biste mogli vidjeti svoj tvrdi disk na više operativnih sustava? Naslijeđeni format koji je najkompatibilniji je FAT32 , ali vas ograničava na samo 4 GB za maksimalnu veličinu datoteke. Možete pročitati moj prethodni post o tome kako formatirati vanjski tvrdi disk pomoću FAT32^{(format an external hard drive using FAT32)} .

Ako trebate podršku za veće datoteke, trebali biste koristiti format exFAT . Noviji je i podržava mnogo veće datoteke, ali radi samo s novijim verzijama OS X i Windows . Morat ćete koristiti OS X Snow Leopard (10.6) ili noviji ili Windows XP ili noviji.

U sustavu Windows^(Windows) možete odabrati exFAT kao format datotečnog sustava uz NTFS i FAT32^{(addition to NTFS and FAT32)} . Kada formatirate pogon u OS X pomoću Disk Utility -a, možete odabrati i exFAT format ako želite.

Voz se ne pojavljuje

Ako povežete disk s računalom i ništa se ne dogodi, može se dogoditi jedna od nekoliko stvari: vaš tvrdi disk može imati problema, ispravan softver ili upravljački programi nisu instalirani na vašem sustavu ili nešto ne radi ispravno s operacijski sustav. Počnimo s nekim uobičajenim problemima i njihovim rješenjima.

Windows – Upravitelj uređaja

Ponekad stari upravljački programi mogu uzrokovati kvar uređaja kada je spojen na Windows . Ovo možete pokušati popraviti tako da prvo odete na naredbeni redak ( Start i upišite CMD ) i pokrenete sljedeću naredbu:

set devmgr_show_nonpresent_devices=1

Nakon što to učinite, otvorite Upravitelj uređaja^{(Device Manager)} ( Start i upišite u upravitelj uređaja), a zatim kliknite Pogled^(View) – Prikaži skrivene uređaje^{(Show Hidden Devices)} .

Proširite Prijenosni uređaji^{(Portable Devices)} , desnom tipkom miša kliknite sve stavke koje su zasivljene i odaberite Deinstaliraj^(Uninstall) . Ponovno pokrenite računalo i pokušajte ponovno spojiti tvrdi disk.

Osim prijenosnih ^(Portable) uređaja^(Devices) , možete proširiti diskove^{( Disk Drives)} i pokušati deinstalirati uređaj od tamo ako se ne prikazuje ispravno u Windows Exploreru^{(Windows Explorer)} .

Windows – USB uređaj

Ako povežete svoj USB pogon sa sustavom Windows^(Windows) i dobijete pogrešku USB Device Not Recognized , svakako provjerite vezu o tome kako riješiti taj određeni problem. Windows pokušava okriviti uređaj za kvar, ali to je obično problem sa sustavom Windows^(Windows) .

USB priključci/sekundarno računalo

Također možete pokušati priključiti pogon u drugi USB priključak na računalu kako biste bili sigurni da nije problem s tim priključkom. Ako se spajate na USB čvorište, odspojite ga i pokušajte spojiti pogon izravno na računalo.

Jedini način na koji u ovom trenutku doista možete utvrditi je li problem u računalu ili tvrdom disku jest da povežete pogon s drugim računalom. Ako pogon ne radi na drugom računalu, vrlo je vjerojatno da nešto nije u redu sa samim pogonom.

Alati za pogon

Ako se čini da postoji problem sa samim pogonom, možete pokušati preuzeti dijagnostičke alate od proizvođača pogona. Gotovo sve glavne marke poput Seagatea^(Seagate) , Western Digitala^{(Western Digital)} , Toshibe^(Toshiba) itd. imaju ove dijagnostičke alate.

http://www.seagate.com/support/downloads/seatools/

Western Digital DataLifeguard Diagnostic

Fujitsu (Toshiba) Diagnostic Utility

Također možete pročitati moj prethodni post o provjeravanju grešaka na tvrdom disku za^{(checking your hard drive for errors)} više informacija i više alata za testiranje tvrdih diskova. Ako je disk oštećen ili ima loše sektore, ovi alati to mogu popraviti.

USB 3.0 diskovi

Ako imate USB 3.0 vanjski tvrdi disk, morate uzeti u obzir nekoliko dodatnih razmatranja. Prije svega, provjerite koristite li odgovarajući kabel. Naišao sam na nekoliko klijenata koji su imali ovaj problem i riješili ga jednostavnim korištenjem drugog USB kabela. Stoga isprobajte nekoliko kabela prije nego odustanete.

Drugo, možda ćete morati ažurirati upravljački program u sustavu Windows^(Windows) . Opet^(Again) idite na Upravitelj uređaja^{(Device Manager)} , proširite kontrolere univerzalne serijske sabirnice^{(Universal Serial Bus controllers)} , desnom tipkom miša kliknite onaj koji ima USB 3.0 u tekstu i odaberite Ažuriraj upravljački program^{( Update Driver)} .

Problemi s napajanjem

Jedine druge mogućnosti s ovom vrstom problema su nedostatak napajanja ili potpuni kvar tvrdog diska. Provjerite^(Make) ima li tvrdi disk ispravan vanjski adapter za napajanje i je li svjetlo na prednjoj strani pogona uključeno i nije narančasto ili crveno. Također, pokušajte koristiti različite kabele jer neki mogu nositi više energije od drugih.

Nadamo se da će vam ovaj članak pomoći da vaš vanjski tvrdi disk prepozna Windows ili Mac . Ako ne, ostavite komentar i pokušat ću pomoći. Uživati!

External Hard Drive Not Showing Up in Windows or OS X?

Mac or Windows computer not rеcognizing your external hard drive or flash drive? This is a common problem, esреciаlly when cоnnecting hard drives between Mac OS X, Windows and Lіnux. It cаn also happen on a single system where it was working just fine for a long time and then suddenly stoрs being recognized by the oрeratіng ѕyѕtem.

Sometimes the fix is easy and sometimes it is a bit more complicated. In this article, I’ll try to go through the different solutions on Mac and Windows for fixing this issue. How the drive is formatted and what file system is being used is the most common reason why drive is not recognized.

Assign Drive Letter

The other main reason is that the drive simply is not being recognized by Windows or Mac and therefore won’t even show up on your system at all. This is usually a problem with drivers or hardware. In order to figure out whether your problem is related to formatting or to not being recognized, go to Disk Management in Windows or Disk Utility on OS X and see if the drive shows up there.

If the drive shows up here, but not in Windows Explorer, you might have to assign a drive letter to the disk. Normally, Windows does this automatically, but sometimes because of other connected devices, your external hard drive will be recognized, but not have any drive letter assigned to it. In Disk Management, just right-click on the disk and choose Change Drive Letter and Paths.

Pick a letter for your drive and you should be good to go. If the drive is showing, but you’re getting messages about the drive needing to be formatted, etc., then read the next section below.

On Macs, the drive should automatically appear on the desktop. If not, go to Disk Utility and check to see if it appears under the heading External.

If the drive is showing here, but not on the OS X desktop, then click First Aid to try and repair the drive. If the drive has a file system not recognized by OS X, you’ll need to erase it and the format it using FAT or HFS+.

If the drive is not showing up in Disk Management or Disk Utility at all, you have some other type of problem. Scroll down to the Not Showing Up section below.

Format Drive

When it comes to file formats, there are a couple of major formats that are used about 99% of the time: FAT32 and NTFS for Windows and HFS+ (Mac OS Extended) for Macs. Now OS X can read and write to FAT32 formatted drives, but can only read NTFS volumes.

Windows is worse in the sense that it cannot even read or write to HFS+ formatted volumes by default. You can get Windows to do it, but you have to purchase third-party software. The only other option is to format the hard drive and use the FAT32 format for the best compatibility.

When you connect a HFS+ formatted drive to Windows, you’ll get a message stating that the drive needs to be formatted in order to be used.

If you see this message, it just means that Windows does not recognize the file system on the drive. Make sure you connect the drive to the appropriate operating system and backup any data that you might need before performing a format.

So what’s the best format to use so that you can see your hard drive on multiple operating systems? The legacy format that is most compatible is FAT32, but it limits you to only 4 GB for max file size. You can read my previous post on how to format an external hard drive using FAT32.

If you need support for bigger files, then you should use the exFAT format. It’s newer and supports much larger files, but only works with newer versions of OS X and Windows. You’ll have to be running OS X Snow Leopard (10.6) or higher or Windows XP or higher.

In Windows, you can choose exFAT as the file system format in addition to NTFS and FAT32. When you format a drive in OS X using Disk Utility, you can also choose the exFAT format if you like.

Drive Not Showing Up

If you connect the drive to the computer and nothing happens, one of several things could be going on: your hard drive might have a problem, the correct software or drivers are not installed on your system, or there is something not working properly with the operating system. Let’s start with some common problems and their solutions.

Windows – Device Manager

Sometimes old drivers can cause a device to malfunction when connected to Windows. You can try fixing this by first going to the command prompt (Start and type in CMD) and running the following command:

set devmgr_show_nonpresent_devices=1

Once you do that, open Device Manager (Start and type in device manager) and then click on View – Show Hidden Devices.

Expand out Portable Devices, right-click on any items that are grayed out and choose Uninstall. Restart your computer and try to connect the hard drive again.

In addition to Portable Devices, you can expand out Disk Drives and try to uninstall the device from there if it is not showing up properly in Windows Explorer.

Windows – USB Device

If you connect your USB drive to Windows and get a USB Device Not Recognized error, make sure to check out the link on how to fix that particular problem. Windows tries to blame the device for malfunctioning, but it’s normally a problem with Windows.

USB Ports/Secondary PC

You can also try plugging the drive into another USB port on the computer to make sure it’s not a problem with that particular port. If you are connecting to a USB hub, disconnect that and try to connect the drive directly to the computer.

The only way you can really tell if the problem is with the computer or the hard drive at this point is to connect the drive to another computer. If the drive doesn’t work on another computer, it’s highly likely something is wrong with the drive itself.

Drive Tools

If it appears that there is a problem with the drive itself, you can try to download the diagnostic tools from the drive manufacturer. Just about all the major brands like Seagate, Western Digital, Toshiba, etc., have these diagnostic tools.

http://www.seagate.com/support/downloads/seatools/

Western Digital DataLifeguard Diagnostic

Fujitsu (Toshiba) Diagnostic Utility

You can also read my previous post on checking your hard drive for errors for more information and more tools to test hard drives. If the drive has become corrupt or has bad sectors, these tools can fix it.

USB 3.0 Drives

If you have a USB 3.0 external hard drive, there are a couple of extra considerations you have to take into account. Firstly, make sure you are using an appropriate cable. I’ve run into several clients that had this problem and fixed it by simply using a different USB cable. So try out several cables before you give up.

Secondly, you might need to update the driver in Windows. Again, go to Device Manager, expand Universal Serial Bus controllers, right click on the one that has USB 3.0 in the text and choose Update Driver.

Power Issues

The only other possibilities with this type of problem are lack of power or complete hard drive failure. Make sure the hard drive has the correct external power adapter and that the light on the front of the drive is turning on and is not orange or red. Also, try using different cables as some are able to carry more power than others.

Hopefully, this article will help you get your external hard drive recognized by Windows or Mac. If not, post a comment and I’ll try to help. Enjoy!

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