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Windows 7: Installing 7 on Acer Aspire 5315

18 Aug 2010   #1
johnwillyums

Windows 7 Home Premium 64 bit
 
 
Installing 7 on Acer Aspire 5315

A friend has asked me to install Windows 7 on an Acer Aspire 5315 laptop.
No problem I said
I set the boot order to boot from disk and put the disk in.
Instead of the expected "press any key to continue" I get a black screen with "select CDROM boot type:_" with a flashing cursor.
I'd never seen this before but I attempted to type in "normal"- a guess- and it seems I have no keyboard input at all. I tried all the letters and numbers plus Fkeys and nothing.
I cannot type anything in.
I than tried ctrl/alt/del and this ended the process but that seems to be the only key combination working.
I'm wondering if it's because I'm trying to put x64 W7 on a Vista x86 laptop and some kind of EFI protection is kicking in.

Any ideas would be most welcome


My System SpecsSystem Spec
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18 Aug 2010   #2
Lemur

Systems 1 and 2: Windows 7 Enterprise x64, Win 8 Developer
 
 

You cannot put a 64-bit OS on a 32-bit PC.
My System SpecsSystem Spec
18 Aug 2010   #3
johnwillyums

Windows 7 Home Premium 64 bit
 
 

Well it would no longer be a 32 bit pc if I installed a 64 bit Os on it.
I'm not trying to do a dual boot but a clean install. The hardware would run it. Don't see the problem.
My System SpecsSystem Spec
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18 Aug 2010   #4
Lemur

Systems 1 and 2: Windows 7 Enterprise x64, Win 8 Developer
 
 

Ahh... if you have 64-bit architecture, then you are correct you cannot upgrade from a 32-bit Vista to a 64-bit Windows 7. It would have to be a new installation.
My System SpecsSystem Spec
18 Aug 2010   #5
johnwillyums

Windows 7 Home Premium 64 bit
 
 

Thanks for your input Lemur
Yeah. That is what I am trying to do. Lose Vista x86, reformat the disk and clean install W7x64.
There is a form of data protection called EFI which I'm not familiar with. I believe it's designed to prevent someone stealing/finding your laptop, installing another OS and accessing your data and I have the feeling it may be something to do with that.
Not sure at all though.
I've mailed Acer about it so I'll see what they say.
My System SpecsSystem Spec
18 Aug 2010   #6
Lemur

Systems 1 and 2: Windows 7 Enterprise x64, Win 8 Developer
 
 

Just more info. This is straight off Microsoft's site:

Can I upgrade from a 32-bit version of Windows to a 64-bit version of Windows?


No. If you are currently running a 32-bit version of Windows, you can only perform an upgrade to another 32-bit version of Windows. Similarly, if you are running a 64-bit version of Windows, you can only perform an upgrade to another 64-bit version of Windows.
My System SpecsSystem Spec
18 Aug 2010   #7
johnwillyums

Windows 7 Home Premium 64 bit
 
 

I'm not upgrading. I'm trying to do a clean install. I did the same thing last night on another pc running 32 bit XP. No problem.
My System SpecsSystem Spec
18 Aug 2010   #8
gregrocker

 

Have not seen this EFI protection yet but something unusual is going on with that prompt you got.

Some have overcome it by typing in "3" http://social.technet.microsoft.com/...0-a227f1e0a733

If Acer says it is not blocked in such a way, then I would wipe the HD so that the DVD will autostart and any code which is interfering will be overwritten. Save a Win7 backup image for a path back first:
SSD - HDD Optimize for Windows Reinstallation - Windows 7 Forums.url
My System SpecsSystem Spec
19 Aug 2010   #9
johnwillyums

Windows 7 Home Premium 64 bit
 
 

Thanks Greg and Lemur.

Seems it was the EFI protection kicking in, responding to a x64 install.
This is primarily aimed at Linux installations to access the Windows install but responds to any x64 software.
I found some things I could have tried to bypass it but that would have encrypted the Vista install.
As I was setting it up for someone else I contacted them and they had only wanted a x64 install because they had read x64 was better.
Consequently I installed x86 W7 without any problems

Thanks for your input, John
My System SpecsSystem Spec
11 Sep 2010   #10
Razputin

Windows Vista Home Premium 32bit
 
 

No, it has got absolutely nothing to do with EFI!!

I own one of these machines myself and I know that it cannot run a 64-bit OS. It does not matter whether you are trying to upgrade an existing 32bit OS or do a fresh install of the 64bit OS - it does not posses the required CPU and chipset. To run Windows 64 bit you need a CPU with EM64T support. The Aspire 5315 comes with a Pentium 4 M processor which is a 32-bit only processor.
My System SpecsSystem Spec
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 Installing 7 on Acer Aspire 5315




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