Toshiba Satellite c50 a 16c - cannot get it to boot from any known good DVDs or ext usb cd roms.

Posted on 2013-11-02
Medium Priority
Last Modified: 2013-11-03

I want to test the memory.  But I cannot boot from any of my boot cds inc
Windows xp
etc etc ...

Error .... Checking media ...
Media fail ...
No bootable device - Please restart system ...

Note ... Ive added a blank hdd as Im testing the hdd in another computer for faults.
Dont get distracted by the above statement.

I gone into BIOS and changed boot order
Hard drive

Attached 2 different ext USB cd roms - same problem ....

Laptop is one week old.  Possible Lemmon.


Please note it goes into Win 8 BUT the end user reports that it gives errors and I want to test the memory.

Im then going to nuke it as the user says no data on board.

BUT .... why cant I get it to boot? Some other problem under the hood there me thinks.
Question by:fcek
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LVL 88

Accepted Solution

rindi earned 2000 total points
ID: 39619241
You will probably have to disable Secureboot and possibly also change to the old BIOS mode.

Author Comment

ID: 39619247
You are indeed correct.

Ive never seen the like before.

Ive changed it to "CSM Boot" and it worked.

Do I have to change it back for Win 8 to work?
LVL 88

Expert Comment

ID: 39619273
Windows 8 doesn't need secureboot to be on to work, but it is supposed to protect against malware that can be caught from unauthorized boot media.
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Author Comment

ID: 39619287
Odd / strange.  How many viruses are
Delivered via boot media?
LVL 88

Expert Comment

ID: 39619293
I don't know. This is a "feature" m$ has made the hardware manufacturers adopt for any PC that is delivered with Windows 8 pre-installed. In my point of view the real reason for this is that it is harder to install a non m$ OS to such a PC. Although on those that come with normal Windows 8 (not RT) it has to be possible to turn off, on ARM based devices that come with Windows RT you can't turn it off, and so on that hardware you are stuck with Windows RT.

Author Comment

ID: 39620101
Last question ... What are ARM devices ?
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Expert Comment

ID: 39620136
ARM are simple, cheap CPU's which use a different codeset than the intel/amd x86/x64 CPU's use. They also normally don't require as much power and don't heat up as much, and so they are usually built into mobile devices like phones, tablets etc. But they are also being targeted for servers now which would then reduce the cost for the hardware and infrastructure.

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