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Ram upgrade from 2x2GB 2Rx8 PC3-10600 to 1x8GB PC3-12800 not working.(laptop)

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October 12, 2013 5:02:55 AM

I have a preety old laptop(5 years): HP EliteBook 8540w with 2x2GB memory(one rimary slot, one expansion slot). I wanted to upgrade to one piece: "G.SKILL SO-DIMM DDR3 8GB 1600MHz CL10". Each time i run windows 7 prof. with this one it gives me a blue screen with some text and restarts after 2/3 sec. However, when I open the computer diagnostics it shows me correctly 8 GB installed. I also tried different combinations like 8 and 2 GB. I also checed it with 2x4GB from different laptop(parameters were okay), and nothing hapens. I have my BIOS update. Also, when I run the memory test in computers diagnostics it freezes and I have to restart the comp. manualy.
Please help
a b } Memory
October 12, 2013 5:13:19 AM

Your laptop supports a maximum of 8gb of ram.
It only supports a maximum of 2x4gb modules. It does not support 8gb modules.
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October 12, 2013 5:15:23 AM

But wait i tried 2x4GB(although Pc3-12800) but still
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October 12, 2013 5:18:06 AM

Unolocogringo said:
Your laptop supports a maximum of 8gb of ram.
It only supports a maximum of 2x4gb modules. It does not support 8gb modules.


I tried 2x4GB Pc3-12800 - did not work
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a b D Laptop
a b } Memory
October 12, 2013 5:18:32 AM

tht a total of 8gb on dual chanel and it should work.
anything above 1333 mhz is automticaly underclocked.
if it is not underclocked automaticly you should manuly underclockit in the bios.
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October 12, 2013 5:21:17 AM

JOHNN93 said:
tht a total of 8gb on dual chanel and it should work.
anything above 1333 mhz is automticaly underclocked.

Well but Win should still launch even with reduced frequency

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a b D Laptop
a b } Memory
October 12, 2013 5:25:48 AM

DDR3 PC3-10600 SDRAM (1333 MHz)* Two SODIMM slots supporting dual-channel memory 1024MB, 2048MB, 3072MB, or 4096MB

this is from hp you inserted pc3-12800 of course it won't work
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