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rolex9283
What's DOS?
Posts: 2
Registered: ‎01-22-2013
Location: england
Views: 703
Message 1 of 4

R400 RAM issue 7440

Hi,

 

I have recently decided to upgrade the memory in my Lenovo R400 7440, and after trying to install the 2x4GB Modules, i get the dreaded beep codes.

 

i have a second lenovo laptop for work, the L420, and i have tried the RAM in this laptop, and these successfully work. 

 

I ran the crucial system scanner to find out what RAM i could purchase and it advised me towards some 2x4GB sticks, so i went ahead and brought these. i then went ahead and made a couple of changes to the Laptop, i installed a SSD, and updated the BIOS. then assuming the RAM would work as crucial had said, and they just gave me the error codes.

 

I am running Windows 8 x64.

 

I have read other posts about this laptop here, and everything suggests the laptop takes 8GB RAM, and have also checked many other sites, but the laptop is saying differntly when installing it. 

 

Can anyone help with this issue?

 

Thanks,

 

Robert & Alexandra

Retired Support Specialist
Posts: 1,291
Registered: ‎12-06-2012
Location: Raleigh, NC
Views: 680
Message 2 of 4

Re: R400 RAM issue 7440

Hi, rolex9283

 

What is the beep code you are receiving? You may hear long beeps, short beeps, or a mixture of the two. If we know exactly what error the computer is transmitting through the beeps, it is possible to look up your system and find out what the beep really means.

 

Best of luck,

Adam

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rolex9283
What's DOS?
Posts: 2
Registered: ‎01-22-2013
Location: england
Views: 669
Message 3 of 4

Re: R400 RAM issue 7440

Hi Adam,

 

I have looked into the beep codes, and i believe it was the DIMM error code. with the 1 beep, 3 beeps, 1 beep.

 

Thanks,

 

Robert & Alexdandra

Former Administrator
Posts: 8,592
Registered: ‎11-19-2007
Location: US
Views: 658
Message 4 of 4

Re: R400 RAM issue 7440

Rolex9283,

 

I'm sure Adam can help you figure this out, but I thought I'd mention a couple things which ocurred to me.

 

1) Can you check the speed of the memory that you have gotten ?  While most memory capable of faster speeds should be backward compatible and able to downclock to lower speeds, sometimes certain combinations could be problematic.

 

2) If you put the memory from the L series in your system, does it work?  If so, and if your new memory works in the L series but not in the R, then maybe it is an odd compatibility.

 

3) What happens if you try to run with just one piece of memory in the first slot?   Then try swapping for the other piece - see if this is isolated to a bad piece of memory or a bad socket.  

 

Mark

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