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1. Mac Bootcamp No Bootable Device

I tried to use Boot Camp Assistant to install Windows 7 to my Mac mini (mid-2011, i5 2.3Ghz, with most updated OS X Yosemite), and the Boot Camp Assistant formatted my USB drive and copied the ISO image of Windows 7 into it successfully. However, when the Mac mini automatically rebooted, it showed the message 'No bootable device, insert boot disk and press enter'. I tried to switch off the mac mini and hold down the alt/option button when I turned on it again, but no any menu appeared (only the same error message was displayed).I also did some research on internet and found some experts indicated that the USB drive is using MBR (for old BIOS) rather than GPT, and UEFI only recognizes GPT, so it isn't bootable. Is that exactly the problem? The USB drive was formatted by Boot Camp Assistant actually, why would this happen?Now I don't know how to fix this problem. I cannot boot into OS X now. Anyone can help?

It is not the USB using a MBR vs GPT. The reference is to the partitioning of the internal disk which is the destination for Windows installation. Mac models prior to Late 2013 models will use MBR for the destination disk. Later models can use either method.If you see a No bootable device error, either you are using a USB3 flash drive or your ISO/DVD source for Windows is corrupt. Download gta san andreas compressed 10mb file. In some rare cases, the rightmost USB port in the back of the Mini when facing the Mini works, but others may not. (This usually requires an SMC Reset).If the issue was MBR v GPT, the Windows installer would need to start properly, and after you picked the designated partition, the MBR v GPT error would be shown by the Windows Installer.

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Mac Bootcamp No Bootable Device

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It’s very likely that you might encounter “ no bootable device error” while trying to install fresh Windows operating system or an additional operating system. The are number of reasons behind no bootable device error, and finding the culprit might become a headache for not-so-geeky user. Thus, we are going to list down every problem & solution recognized in no bootable device errors. 1. Fix Your Operating System’s Boot OrderComputer comes hardware components like hard disk, floppy, DVD-writer, removable device, sound card, and other devices. In the series of storage, we have a hard drive, DVD-writer, and pen drive or USB drive.

I’ve encountered no bootable device error several times, and fixed it simply by fixing the boot order.Sometimes when you shut down your computer with USB drive connected to the computer, then it considers it as a main component.In the boot order, the USB drive hits on the top, and the computer uses it to load the operating system. Since USB drive does not have the system files, so we have no bootable device. Many of you are using multiple hard disks on the computer, and if the computer detects the wrong HDD, then the error pops up on your screen.An example of the right boot order configuration:. Hard disk (Windows installed on the hard disk.).

Second Hard disk. DVD-writer. Removable drive (external HDD or USB drive.)An example of an incorrect boot order:. DVD-writer.

Second HDD. Main HDD (Windows installed on the hard disk.).

Removable drive (external HDD or USB drive.)The above order is wrong, and this is when you have no bootable device. The computer is looking for system files in DVD-writer.Step 1: You have to find out the key that opens the BIOS. Usually, its ESC, DEL, F1, F2, and F12. Turn on your computer and start pressing any of the keys, until the BIOS open instead of the OS.Step 2: In my case, DEL key on keyboard opens the Intel motherboard BIOS.Step 3: At the top, you have options and use (move-right & move-left) keys to choose “ BOOT” tab.Step 4: In the hard drive order, you have to make sure that your primary hard drive at the top. Currently, I don’t have DVD-writer, removable device, and external hard drive connected to the computer. You could have found the other drives below “ WDC WD800BB-22JH.”Step 5: Now, use the (move-left) key, enter (move-down) exit saving changes, and click “ Y = Yes” to confirm the changes.Your computer will restart, and you can correct the boot order. 2. Fix corrupted Hard Disk or Damaged Hard DiskCurrently, we have more than four hard disks in the attic that are corrupted.

HDD technology has a metal disk with heads on it, and they start to die from day one. Few of the HDD stay active and healthy for years, but they die at some point. If you have additional HDD, then we recommend you to add it and Install a clean Windows OS or Linux OS.Below is the best way to find whether your HDD is damaged/corrupted or the problem is something else.Step 1: Find an additional HDD, or you can use a removable USB drive, and install Windows on it.Step 2: After installing, then you can find out whether the HDD recognized by the OS or it remains dead.Step 3: After installation of clean Windows and it cannot recognize it, then your HDD is dead.You can buy a replacement from a store, or eBay is a good place to find used goods. 3. Cable, Power Connector or DustIt might sound a little silly, but storage cables are one of the least taken care in computer components. The manufacturers don’t use invincible technology, so they age and die. These cables usually stay in twisted position for so many years, and the electricity is passing from the cables. The cables damage with time and die without any warning.The engineers check the cables first, and it includes the power cable as well.

Remember, the can be a major issue as well. The dust can reach tiny places inside the mother components, and it includes your HDD, RAM, DVD-writer, and more.We do not clean our computer, and the dust particles build up on our computer, and they start to create the problem. If you have not cleaned your computer in years, then it can trigger the issue.

I have cleaned my RAM slot several times because the dust particles create problems.Tip: You can use a hair dryer for the process.Clean, HDD slots, Cables, RAM slot, and overall motherboard. The dust particles can reach the tiny spots, and they cause the problems. Solution #4: Set Disk As ActiveWe assume that you are using Windows 10 machine.

In case, if you are using old OS, then you have to create a bootable USB drive and open the command prompt from the installation disk.Yes, you have to open the CMD from UEFI settings (Windows 10) and open CMD from Windows installation disk (below Windows 8.)Step 1: Open the command prompt from the Windows UEFI mode or Windows installation disc.Step 2: Now, type “ diskpart” and hit enter, and wait for the next options to appear. The Windows installation disc takes a few moments to load the options.Step 3: Now, type “ list disk” and hit enter. The number of storage devices connected to your computer lists down. You have to select any one of them, and specifically, the Windows installed partition or drive.Step 4: You can recognize it my size, and then type “ select disk 0” and hit enter. In computer language, the list starts from 0, 1, 2, 3, 4, 5, and so on.Step 5: Type “ list partition” because your computer drive might have one or two partitions.

In my case, I have several partitions in one drive. The biggest challenge that comes in your way is to find the right partition.Step 6: You have to select the Windows installed partition by typing “ select partition 3” and hit enter.Step 7: Now, type “ active” and hit enter to make the final changes.The problem should get fixed by restarting your computer. Remember, you have to turn off the computer, and unplug the power cord. Let the remnants charge in the cables, and power supply should die, and it takes five minutes to discharge.