Windows 7 Won't Boot Without External Hard Drive Turned On?

Jun 6, 2010

I just restarted my PC and i kept getting erros regarding hardware, at first it would just hold at updating dmi pool , after i reset the bios to fail safe defaults it would then give me the I/O error. I noticed my external drive was turned off and I turned it on and windows booted fine. Is there a connection here i can disable?

Windows is installed on my SSD drive not my external.

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Marked External Hard Drive As Active And Now Windows 7 Won't Boot?

Jan 12, 2013

What happened to my computer is, I kept getting the BSOD, I went into safe mode, removed the most recent programs I had installed, and it stopped happening. I then proceeded to plug in my external hard drive. It was not recognizing it for some reason, so I went to disk management. It was listed there, just without a drive letter. I tried to assign it a drive letter, and it gave me an error message saying something about refreshing the list, (this is the error message I should have researched), I tried refreshing the drive list, and tried reassigning the drive letter, same message. I right clicked on the drive again, and I saw mark as active. For some stupid reason, I clicked on this. Then seeing that it didn't do anything, I thought maybe restarting the computer would maybe do the trick. Now my computer won't boot.

It gets to the windows logo, and boom, restarts all over again. I tried many things like, startup repair, system restore, marking partition as active CMD, with diskpart, I also tried some of the commands in bootrec.exe. By the way, if this helps at all, my hard drive is a solid state drive, I also have a slave drive in there which does also have a copy of windows installed on it, (it was my old hard drive), I tried setting that as my primary boot and it boots into my old install of windows, before i got my solid state drive. Is there a way I can fix the startup by having access to it from an operating system instead of the recovery environment?

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Jan 21, 2012

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'Technical information
*** STOP: 0x000000F4 (0x0000000000000003, 0xFFFFFA8004C1D260, 0xFFFFFA8004C1D498, 0xFFFFF8000130DDA0)'

This repeated several times. I ran the diagnostics and it told me the hard drive could not be found (error code 0146, 2000-0146). Essentially, it's a Dell laptop (I know) and I am not bothered about recovering the hard drive.I would, however, like to install Windows 7, or alternatively Linux, onto my external hard drive. But I just can't seem to get it to work.I have extracted a Linux iso to the external hard drive I want to install on, onto a cd, onto a FAT32 8gb usb stick, but it has given me the bootmgr is missing error every time. I have tried it with the interal HDD in and removed.I am no longer concerned about the internal HDD, i can use it for a door stop for all I am concerned, I just want to load ANY os onto my external hard drive so I can get the laptop working.

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May 1, 2009

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Oct 25, 2012

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Apr 17, 2011

First time poster here. I messed up big time trying to get my dell 1747 to dual boot in xp and win 7, i think. I installed xp on to an external hard drive via and esata connection. Now it won't boot without the external hard drive connected and of course will only boot in xp. The xp disc manager say that windows 7 is the primary os which confused me. I Tried the windows 7 recovery disc but it won't boot. I'm completely lost here, and I'm looking for the first step to take. AS it stands I have a C:RECOVERY, D:Fantom(my external to which i installed xp) and E: OS, why is E labeled OS? I could really use some help here.I can't uninstall xp in safe mode with administrator access. I'm wondering if i format the D drive containing Windows xp, if I will Automatically boot from my previous windows 7?

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Aug 21, 2012

I have a USB external hard drive that I keep all my documents etc on (had it for years)I upgraded from Vista Home to & Home Premium then had to upgrade recently to Professional to run my Sage. Through all these upgrades my ext. drive ran fine. Occasionally the drvie letter would change if I had something else plugged into the USB, this was always easily corected in disk management by changing the drive path.The connection on the case packed up so I had to get the drive put into a new case, now when I plug it in the drive is assigned G instead of F, I tried to change the drive letter allocation in Disk Management but it won't let me as the program still thinks I have a second ext. hard drive which is labelled F. I suspect this has happened because when the usb connection broke the drive was disconnected suddenly instead of a proper eject.How do I get Disk Management to remove the inactive drive - i can't find any obvious way - eject, delete etc are all missing when I click on tools or tasks.

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Tech Support Guy System Info Utility version
OS Version: Microsoft Windows 7 Home Premium, Service Pack 1, 64 bit
Processor: Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz, Intel64 Family 6 Model 26 Stepping 4
Processor Count: 8
RAM: 12279 Mb
Graphics Card: NVIDIA GeForce GTX 560 Ti, 1024 Mb
Hard Drives: C: Total - 114370 MB, Free - 46618 MB; E: Total - 194558 MB, Free - 42107 MB; F: Total - 759306 MB, Free - 37164 MB;
Motherboard: ASUSTeK Computer INC., SABERTOOTH X58
Antivirus: avast! Antivirus, Updated and Enabled

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