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Als uw externe harde schijf niet toegankelijk is, probeer dan eerst deze basisstappen voor probleemoplossing uit. Houd de Option-toets ingedrukt en klik daarna op het Apple-menu; de eerste vermelding is normaal System Information/System Profiler (Systeeminformatie/Systeemprofiel). Als u About this Mac (Over deze Mac) ziet, drukt u opnieuw op de Option-toets en houdt u deze ingedrukt. The drive, which we believe to be the ST8000AS0002, comes with 128MB of cache, about four times the amount of large capacity hard drives. That's mostly due to the SMR technology which requires the drive to handle data transactions on-board, a process Seagate calls "drive managed" and is facilitated by this larger buffer cache.
Capaciteit - Controleer of de schijfcapaciteit juist is. Als u bijvoorbeeld een schijf van 1 TB hebt, is de weergegeven capaciteit normaal 931 GB.Als u macOS 10.13 of een recentere versie gebruikt, klikt u linksboven in het venster en selecteert u " Show All Devices" (Toon alle apparaten), zodat u de schijf en de volumes kunt zien. Als dit niet het enige exemplaar is van uw belangrijke gegevens, probeer dan het proces van Repair Disk (Herstel schijf) uit te voeren om na te gaan of dit de beschadiging van het bestandssysteem verhelpt. Als de schijf moet worden geformatteerd, klikt u op het artikel dat met het besturingssysteem overeenkomt. The ADATA HD710M Pro is a good choice for outdoor workers, as the drive is able to take a tumble, and keep out water, sand, and dust. It comes in at a better cost per gigabyte than its solid-state brethren as well.
Probeer enkele van de specifieke probleemoplossingen van Apple uit te voeren. Mogelijk verhelpt u hiermee het probleem.
Lyve: Periferie-naar-cloudplatform voor massaopslag Lyve Cloud: Voordelige objectopslag, ontworpen voor de multicloud inch hard drives not only offer more capacity than 2.5-inch hard drives these days, they also offer better sustained performance. Longer bars are better. Most such multi-bay devices are sold without the actual hard drives included, so you can install any drive you want (usually, 3.5-inch drives, but some support laptop-style 2.5-inchers). Their total storage capacities are limited only by their number of available bays and the capacities of the drives you put in them. The storage industry refers to these (as well as smaller-capacity externals as a whole) as DAS—for "direct attached storage"—to distinguish them from NAS, or network attached storage, many of which are also multi-bay devices that can take two or more drives that you supply. (See our separate roundup of the best NAS drives.) Opmerking: als dit niet lukt, moet u de USB-stuurprogramma's voor het besturingssysteem opnieuw installeren door uw Windows-media in het cd-/dvd-rom-station te plaatsen, de computer opnieuw op te starten en Repareren/Herstellen proberen uit te voeren. Instalación simple: Configurar la unidad es bastante sencillo. Simplemente conecta el cable USB y estarás listo para comenzar. No se requieren controladores complicados ni configuraciones tediosas.
Just how much faster is it to access data stored in flash cells? Typical read and write speeds for consumer drives with spinning platters are in the 100MBps to 200MBps range, depending on platter densities and whether they spin at 5,400rpm (more common) or 7,200rpm (less common). External SSDs offer at least twice that speed and now, often much more, with typical results on our benchmark tests in excess of 400MBps for the slowest ones. Practically speaking, this means you can move gigabytes of data (say, a 4GB feature-length film, or a year's worth of family photos) to an external SSD in seconds rather than the minutes it would take with an external spinning drive. Der Preis der Seagate Expansion 4TB ist zwar nicht wesentlich besser als bei Media Markt, aber dennoch angemessen für die gebotene Leistung und den verfügbaren Speicherplatz. Es ist wichtig zu bedenken, dass der Preis von externen Festplatten oft von verschiedenen Faktoren wie Nachfrage, Verfügbarkeit und Standort abhängig ist. Daher kann es vorkommen, dass der Preis bei Media Markt ähnlich ist. Dennoch finde ich den Preis für die gebotenen 4TB Speicherplatz immer noch akzeptabel. Open Finder > Applications (Toepassingen) > Utilities (Hulpprogramma's) > Disk Utility (Schijfhulpprogramma). You could probably cram about 1500 DVDs in 8TB or the content of 160 Blu-ray discs, or the equivalent of almost six million 3.5-inch, 1.44MB floppy disks (remember those?). Mainstream hard drives of 8TB capacity generally can’t fit into a portable size, but the WD My Book is still a reasonably compact unit that houses a 3.5-inch hard disk drive (HDD). It stands upright and measures 6.7 inches tall, 1.9 inches wide, and 5.5 inches deep. You must plug it into the wall with a power adapter, so it’s not easy to tote around different places.CAVIAT: you may need to use a program that allows the computer to work without shutting down after a period of inactivity. I use an app called "Amphetemine", which forces the computer to stay on in various circumstances that you can set. I set mine to remain on "as long as specified app is working" and chose Carbon Copy Cloner. Not sure you have to do this, but Amphetamine is a great app and I didn't want to take the chance of having to start over, so I used it, and it worked great. That said, as a platter-based hard drive, it's best equipped to store a game library; you're better off loading the games you're currently playing from an SSD. If you conservatively figure an average game size of 100GB, the 4TB version tested here can hold about 40 titles, serving as the stylish main repository of your collection for years to come, and for a much more modest outlay than you'd spend on an SSD of similar capacity. Who It's For You'll only see the speed benefits of Thunderbolt, however, if you have a drive that's SSD-based, or a multi-drive, platter-based desktop DAS that is set up in a RAID array. For ordinary external hard drives, Thunderbolt is very much the exception, not the rule. It tends to show up mainly in products geared toward the Mac market. Game Drive Hub for Xbox connects by high-speed USB 3.0, which gives you full gaming performance—like playing from your console's hard drive. Diseño robusto: El diseño de la unidad es simple y funcional. Su construcción sólida y duradera es capaz de soportar el uso diario y el transporte ocasional sin problemas.
Maak een einde aan de kosten en complexiteit van het opslaan, verplaatsen en activeren van gegevens op schaal. De schijf die zonder inspringing is vermeld, is de fysieke schijf. Wanneer u deze selecteert, ziet u normaal 'media' in de naam. In Mac OS X versie 10.6 tot 10.10, zal bij deze vermelding de capaciteit van de schijf vermeld zijn in plaats van de tekst 'media'. De vermeldingen met een inspringing variëren afhankelijk van hoe de schijf is geformatteerd, maar die vermeldingen zullen volumes of containers zijn die geassocieerd zijn met de fysieke schijf. Since 2004, I have worked on PCMag’s hardware team, covering at various times printers, scanners, projectors, storage, and monitors. I currently focus my testing efforts on 3D printers, pro and productivity displays, and drives and SSDs of all sorts.
Start opnieuw op in Safe Mode (Veilige modus) en ga na of de schijf in die modus wordt gedetecteerd. Als de schijf wordt gedetecteerd, start dan opnieuw op in de normale modus en controleer of de schijf nu wel wordt gedetecteerd. Like other products in the SanDisk Professional line, the G-Drive ArmorATD is strongly geared to Mac use. It's best for traveling Mac users looking for a drive that can withstand a tumble or a rainstorm and want better capacity for the price than they would get with an SSD. The LaCie 2big RAID array promises the reliability and delivers the performance benefit you'd expect from 7,200rpm platters, magnified by the default RAID 0 setting, while the optional RAID 1 setting is available if you want data redundancy. (A JBOD mode is also available if you don't want to use RAID.) Who It's For
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