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Error with windows vista 64 bit after installing Ram

By vcongion ·
Hello all. This one got me stumped! After installing two more GB or ram totaling 4gb on my xps 700 I get the following error message -

"A problem has been detected and windows has been shut down to prevent damage to your computer.

Irql_not_less_or_equal


If this is the first time you?ve seen this stop error screen restart your computer. If this screen appears again, follow these steps:

Check to be sure you have adequate disk space. If a driver is identified in the stop message, disable the driver or check with the manufacturer for driver updates. Try changing video adapters.


check with your hardware vendor for any bios updates. Disable bios memory options such as caching or shadowing if you need to use safe mode to remove or disable components, restart your computer, press f8 to select advanced startup options, and then select safe mode. technical information stop: 0x0000007e (0xffffffffc0000005, 0xfffff8000185e251, 0xfffff980012eef38, 0xfffff980012ee910)

collecting data for crash dump...
initializing disk for crash dump..."

Any idea? I'm currently dual booting and windows media center 2005 seems to have no problem after the ram is installed.

I would greatly appreciate any information on this.

Warmest Regards,

Victor

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All Answers

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When you installed the RAM did you enter BIOS and make sure that it's there

by OH Smeg In reply to Error with windows vista ...

If not open the BIOS check the available RAM and save the changes when you exit.

It may just be something as simple as the system trying to Map 2 GIGs to 4 GIGs of RAM.

What is your hardware here as well? Have you made sure that you have the RAM fitted to the correct sockets? Many Dual Chanel RAM M'Boards require identical RAM in the Paired Sockets and if you mix them up the system becomes unstable. This would be more so with a 64 Bit OS which accesses and uses the RAM Differently to a 32 Bit OS.

Is the new RAM that you added the same Specification as the old or is it just compatible with your M'Board with no notice taken of the existing RAM?

If you remove the extra RAM does the system boot the 64 Bit OS Correctly?

The 32 Bit Windows OS can not use all of 4 GIGs of RAM while the 64 Bit OS can use considerably more RAM so it is possible that the 32 Bit OS runs correctly as it is not accessing some of the Upper RAM at the extreme Limit beyond the OS ability to use while the 64 BIT OS is encountering a Problem with the same address in the RAM.
Have you actually tested the RAM to see if it's working correctly or at least if the M'Board is correctly addressing it?

Col

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re:

by vcongion In reply to When you installed the RA ...

Thank for the quick reply and diagnostics.

The bios does detect 4 gb of ram and they are installed in dual channel. The ram that I bought does not match the ram model but it is the same ram / manufacturer. The manufacturer told me that?s what they have now and it should be compatible.

Ram has been tested and if I remove it, it does boot into 64 os correctly.

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Well assuming that the new RAM is the problem here

by OH Smeg In reply to re:

Remove it all and replace the original RAM with the New RAM and fit the Original RAM to where you have the new RAM.

With the new in slots 1 & 3 it may work a bit better. Of course if it doesn't make any difference you may have to replace the old RAM.

Col

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RAM

by Nimmo In reply to Error with windows vista ...

Make sure its the correct RAM for that make/model laptop, if it is then try re-seating it.

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