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Windows 7: Win 7 laptop freezes on boot with 2 sticks of ram, but fine with 1

30 Apr 2013   #1
sparkes81

win 7
 
 
Win 7 laptop freezes on boot with 2 sticks of ram, but fine with 1

Hi have a PB SW51 laptop, AMD Turion 64, 2gb DDR2 ram.

It has been running windows 7 32bit fine for over a year now.

Foolishly I decided to give Win 7 64bit a try.

The installation went like clockwork until final reboot to start windows (after installation complete)

The splash screen displays, then freezes, then I get BSOD telling me my BIOS isn't ACPI compliant.

After Googling for info I read about removing a stick of ram, which I did, and hey presto it boots with no problems.

I've run memtest86 for 3 passes on each stick of ram with no errors.

I know that Win7 64bit is best with 4gb of ram but thought I'd give it a try anyway.

Now I really wish I hadn't as I decided to reinstall the 32bit edition and am now getting the same error
with that.

please help.

Don't know why I'm getting this error now. As when I first got the laptop, over a year ago, I installed Win7 32bit without problems and it ran sweet as a nut.


My System SpecsSystem Spec
.

30 Apr 2013   #2
Ztruker

Windows 8 Core X64
 
 

Did you try with each stick of ram individually? If it works with one and not the other, replace the defective one.
My System SpecsSystem Spec
30 Apr 2013   #3
sparkes81

win 7
 
 

Hi thanks for your reply.

Yeah both ram sticks work in either memory slot, just not together at the same time.

Its really weird, as ive had Win7 running fine on this machine before.
My System SpecsSystem Spec
.


01 May 2013   #4
sparkes81

win 7
 
 

I tried reinstalling the bios today but still the laptop freezes at boot splash screen with both sticks of ram installed.

Its just bizarre. :-(
My System SpecsSystem Spec
01 May 2013   #5
VistaKing

Windows 7 Ultimate 32-Bit & Windows 7 Ultimate 64-Bit
 
 

sparkes81

Run a memtest on the memory stick that is lagging the laptop

RAM - Test with Memtest86+

If the memory is a dual channel memory kit you would have to replace both of the memory sticks .
My System SpecsSystem Spec
01 May 2013   #6
gregrocker
Microsoft MVP

 
 

The tutorial shows how to isolate problem sticks and slots. It could be either.
My System SpecsSystem Spec
01 May 2013   #7
sparkes81

win 7
 
 

Hi ive done as suggested and run Memtest-86 v3.5b on both sticks for 8hrs and it didnt find any errors.



Any other ideas gratefully received :-)


Attached Thumbnails
-imag0323.jpg  
My System SpecsSystem Spec
02 May 2013   #8
sparkes81

win 7
 
 

Ok, new info to digest...

I have a spare MOBO for this laptop but it is an older version which has an IDE interface as opposed to SATA.
I also have an IDE HDD to pair with this MOBO.

So I decided to try the laptop with this MOBO and HDD and both sticks of RAM.

Low and behold it boots up fine with both sticks of ram installed.
(Im writing this reply on the laptop now)
So I guess we can rule out the RAM as the culprit.
And obviously there is a fault with the SATA MOBO.

But the questions now are;
Why all of a sudden has the SATA MOBO decided not to like two sticks of RAM.
Is it a co-incidence that the fault originated straight after an install of Win7 64bit.
And is there anything I can do to resolve it.

Its a bizarre occurance, as apart from changing the DVD Drive (the original one wouldnt read a disc
for some reason)
I didnt make any physical changes to the laptop prior to or during the 64bit install. I only started
swapping bits of hardware after I encountered this fault.

Hmmmmm.

Please help. :-)
My System SpecsSystem Spec
02 May 2013   #9
VistaKing

Windows 7 Ultimate 32-Bit & Windows 7 Ultimate 64-Bit
 
 

Could be one of the SLOTS on the SATA motherboard is going bad. I'd get a new SATA motherboard.
My System SpecsSystem Spec
02 May 2013   #10
sparkes81

win 7
 
 

Yep thought that might be the case.

Had a look on e-bay, there is only one on there and he wants 59.99 for it. :-(

Packard Bell Easynote SW51-B-012 MIT-DRAG-D Motherboard | eBay

But there is a guy selling a complete laptop with a display fault:

Packard Bell Easynote SW51-B-012 Laptop - Faulty | eBay

Do you think the display fault on this one is a graphic card or a screen fault?
My System SpecsSystem Spec
Reply

 Win 7 laptop freezes on boot with 2 sticks of ram, but fine with 1




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