Windows 10: Windows only works when external hdd drive that had ISO is connect to laptop

So my Lenovo think pad boots up perfectly when my external hdd that has a windows 10 iso is there but when I disconnect it everything crashes and I get a boot loop without it please help

submitted by /u/Desperate_Candy6779
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:)

 

Quirky behaviour with external HDD

Hi,

In response to your questions

• Are all of the external drives from the same manufacturer?

Yes, they are all Seagate SRDO0F1 of 500GB

• Have you attempted to restart the computer that could not read the external drive and also try to connect the external drive to a different port on the computer after testing the external drive on another computer?

Yes to both, neither worked.

• Were there any recent changes made or updates installed prior to the issue occurring?

No. PC-B is not permanently connected to the 'net.

I have used to 'Device manager' to check if there is an identified driver problem - nothing is flagged - and I would not expect one HDD to work, and the other not to, if there was a driver problem

 

Internal Hard Drive or External Hard Drive? (For my laptop!)

I all depend on what you need. Do you need lot of space for personal files which you always wanna have with you and your laptop, or do you have lots of movies, ISOs that you use on several devices (laptop, dvd player, other computers..).
For the first need I recommend an internal drive, while for the second demand it would be best to have an external HDD (which also needs a power connection, don't forget that, because it's not that easy to always carry an external unit with you and your laptop)

If you want a good internal drive, also very good for booting purposes, I'd recommend the Seagate Momentus XT 500GB Hybrid drive which combines a 500GB HDD with a 4GB SDD memory

 

External HDDs

Hi i had a seagate freeagent (external) which stopped working so i bought another enclosure and the hdd kept disconnecting/reconnecting in windows 8.1, so i boht another enclosure and also the same thing. Iv tried a different hdd and all hdds work perfectly when plugged directly into sata ports on the board, are there any other steps i can try or do you think iv just been unlucky with enclosures?