PC infinite reboot loop after ram change

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Gregory Adalis

Commendable
May 19, 2016
4
0
1,510
Hello everyone. I have a problem after trying to change ram. My motherboard is asus p7h55-m lx. I am trying to install 8GBs of ram. I remove my old 2 sticks of 2GB each and install 2 sticks from 4gb each. When I boot up the PC though, it doesn't stop rebooting. I can open bios but it doesn't proceed to Windows logo scene. What can I do to solve that? Thank you in advance!
 
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These are Corsair memory modules I believe (?) The module part numbers should start with a C. The numbers 5.21 and 7.25 refer to the version of memory (chips) used.

The basic memory chip architecture are the same for both versions of memory. However, there are other characteristics (apart from architecture, voltage, frequency, principal timings) which affect the compatibility of memory modules.

Two possible solutions -

To save time and money it is suggested that a known (system) compatible 2 x 4 GB dual channel kit be purchased to replace the existing memory. The modules within the kit are guaranteed to be compatible with each other, and this will eliminate the memory incompatibility issue. This is the recommended option...
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Gregory Adalis

Commendable
May 19, 2016
4
0
1,510


They are individual modules, but they are both the same model and same brand. Also I am using Windows 10 but it didn't work even before upgrading.

 
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brispuss

Splendid
Dec 27, 2014
2,607
26
26,490
OK.

But we still need to know what the part numbers are of the memory being used, please?

Running 32 bit or 64 bit edition of Windows, please?

It is possible that the individual modules are not compatible with each other due to variances in memory module characteristics, even for modules with the same make/model and part number. Each module has unique characteristics, and in order for two or more modules to work together, their respective characteristics have to be similar.
 
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G

Gregory Adalis

Commendable
May 19, 2016
4
0
1,510


I am running 64 bit Windows. The thing is that when I checked the part numbers, the one module is Version 5.21 and the other is 7.25 . I think that might be the problem
 
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B

brispuss

Splendid
Dec 27, 2014
2,607
26
26,490
These are Corsair memory modules I believe (?) The module part numbers should start with a C. The numbers 5.21 and 7.25 refer to the version of memory (chips) used.

The basic memory chip architecture are the same for both versions of memory. However, there are other characteristics (apart from architecture, voltage, frequency, principal timings) which affect the compatibility of memory modules.

Two possible solutions -

To save time and money it is suggested that a known (system) compatible 2 x 4 GB dual channel kit be purchased to replace the existing memory. The modules within the kit are guaranteed to be compatible with each other, and this will eliminate the memory incompatibility issue. This is the recommended option.

Alternatively, could try getting other single (4 GB) modules with the same part number and try various combinations of single modules until a compatible combination is found. But this might take some time trying several modules, and it could be more expensive in the end (having to buy and return modules). This is not a recommended option.
 
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Solution
G

Gregory Adalis

Commendable
May 19, 2016
4
0
1,510


Thank you! I will have that in mind when i purchase another ram modules. The problem is that I couldn't find any dual channel kits the time i bought the new RAM. Thank you for your time!
 
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