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Author Topic: upgrade memory  (Read 4796 times)

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bake

  • Guest
upgrade memory
« on: December 25, 2006, 10:00:01 AM »
I have an HP Pavilion 9720, it has 2 memory slots and the machine says it can hold 512 of memory, 256 each.  The original memory is 128 so I have tried to upgrade to the maximum of 512.  I can add a 256 stick but if I fill the other slot my computer will not boot up.  I have tried both sticks of memory in each slot and as long as only 1 slot is full the computer will boot no problem.  I'm looking for suggestions please.

Thank you
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Saviour

  • Guest
Re: upgrade memory
« Reply #1 on: December 25, 2006, 10:13:23 AM »
Make sure your new memory meets the specs of your system provided here:

http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph06461&lc=en&cc=us&dlc=en&product=60059&lang=en#N1558

Post your results here.

Best of luck and Merry Christmas!
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bake

  • Guest
Re: upgrade memory
« Reply #2 on: December 25, 2006, 03:25:13 PM »
The ram I've purchased seems to match up ok.  The chips I'm installing say 256MB  / PC - 133
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Saviour

  • Guest
Re: upgrade memory
« Reply #3 on: December 25, 2006, 04:56:32 PM »
Quote
The ram I've purchased seems to match up ok.  The chips I'm installing say 256MB  / PC - 133

Who makes the memory sticks?  Have you tried each stick individually or both of them together?  There may be dust in the second slot that may be causing a problem and/or you may need to configure BIOS to recognize the increase in system RAM.

Will wait for your response...
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GX1_Man

  • Guest
Re: upgrade memory
« Reply #4 on: December 25, 2006, 05:02:39 PM »
Whether it physically fits or not is the least of your concerns. If it is not compatable then it does not matter whether it goes in the slot.

Go to www.crucial.com and see the characteristics for the memory you need. Be sure and check ALL of the characteristics. Compare that against what you got and see if there are any clues. You can also use their "scan my system" option. There are also incompatabilities between low density and high density RAM. What type of processor is in there?

It is either bad RAM, incorrect RAM, incompatability issues between the RAM chips, or not properly seated modules.



« Last Edit: December 25, 2006, 05:05:36 PM by GX1_Man »
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bake

  • Guest
Re: upgrade memory
« Reply #5 on: December 25, 2006, 05:09:15 PM »
I have tried both chips individually and they work fine and it makes know difference which slot they are in.  It is only when I fill both slots at the same time the computer will not boot.
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street1 (RIP)

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Re: upgrade memory
« Reply #6 on: December 25, 2006, 05:30:40 PM »
HP Pavilion PC Model 9720 (UK) -  Product Specifications

Sockets  Two DIMM sockets - PC 100 memory  
_______________________________________ _________

Is this your computer above

 or do you have a 9720 CTO ?
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bake

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Re: upgrade memory
« Reply #7 on: December 25, 2006, 05:36:18 PM »
I have a 9720 cto
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Saviour

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Re: upgrade memory
« Reply #8 on: December 25, 2006, 05:46:59 PM »
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GX1_Man

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Re: upgrade memory
« Reply #9 on: December 25, 2006, 06:12:30 PM »
We are still waiting to hear EXACTLY what you are trying to put in there. Are these 2 NEW chips, or your existing chip and 1 new one? See above.
« Last Edit: December 25, 2006, 06:12:52 PM by GX1_Man »
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bake

  • Guest
Re: upgrade memory
« Reply #10 on: December 25, 2006, 06:14:19 PM »
They are brand new identical chips.  They both work as long as only 1 slot is occupied.
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GX1_Man

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Re: upgrade memory
« Reply #11 on: December 25, 2006, 07:43:51 PM »
And for the third time what are all of the specifications for the chips? CL, manufacturer, model number, etc. It should be on the packaging or on the chips themselves.

Does each one work in either slot, or are you trying them singly in the same slot?
« Last Edit: December 25, 2006, 07:44:42 PM by GX1_Man »
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bake

  • Guest
Re: upgrade memory
« Reply #12 on: December 25, 2006, 08:18:43 PM »
Connect - computers.com  256 /  PC-133  Warranty void if removed
That is all written on the chip.  The chips work in either slot.  If both chips are installed together the computer will not boot.
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street1 (RIP)

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Re: upgrade memory
« Reply #13 on: December 25, 2006, 09:10:20 PM »
What happens if you put the 128MB original memory module in and one
of the 256MB modules?
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GX1_Man

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Re: upgrade memory
« Reply #14 on: December 25, 2006, 09:12:21 PM »
Quote
And for the third time what are all of the specifications for the chips? CL, manufacturer, model number, etc. It should be on the packaging or on the chips themselves.

[highlight]Does each one work in either slot, or are you trying them singly in the same slot?[/highlight]
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bake

  • Guest
Re: upgrade memory
« Reply #15 on: December 25, 2006, 09:44:44 PM »
I will try this one more time.  I have 2 slots A & B  I have memory chips A & B.
If I put A memory into A slot, works.  If I put A memory into B slot, works.  If I put B memory into A slot, works.  If I put B memory into B slot, works. I cannot put A & B memory into A & B slot at the same time.  If one memory slot is full and it doesn't matter which slot or which memory chip, the computer will boot.  If I fill both memory slots the computer will not boot.  I have tried the original memory of 128 and 256 together and will not boot.  It will boot if one slot is taken and the other slot is left empty.  I'm no computer guy and I'm trying to explain this the best I can
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GX1_Man

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Re: upgrade memory
« Reply #16 on: December 25, 2006, 09:51:17 PM »
Now you are clear on the issue.

Usually PC133 RAM is backward compatible and usable with PC100 motherboards. However new manufacturing of memory produces high density RAM which may NOT be compatible with older motherboards. The fact that one works and both do not incicates a compatibility issue, despite them being the same make and model of RAM. Some of those old HP's (and Compaqs) were VERY particular about the RAM used.

What if you install one new one and the old 128?
« Last Edit: December 25, 2006, 09:55:07 PM by GX1_Man »
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street1 (RIP)

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Re: upgrade memory
« Reply #17 on: December 25, 2006, 10:25:45 PM »
Below is the memory you need .Are you still out there in web land?

http://www.crucial.com/store/mpartspecs.asp?mtbpoid=FFA0E6ABA5CA7304
« Last Edit: December 25, 2006, 10:35:21 PM by street1 »
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GX1_Man

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Re: upgrade memory
« Reply #18 on: December 25, 2006, 10:38:33 PM »
Crucial is guaranteed to work and has a lifetime warranty. Maybe not as cheap as what you got, but no surprises.

Please note all of the specifications in that link!
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bake

  • Guest
Re: upgrade memory
« Reply #19 on: December 25, 2006, 10:48:27 PM »
We I put the old memory in with one of the new chips it won't work either.  The original was 128 and I don't have 2/128 chips to try but it still won't work if I fill both slots.
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street1 (RIP)

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Re: upgrade memory
« Reply #20 on: December 26, 2006, 12:28:20 AM »
Well,at present you can run 256MB single ram module twice what
you did have.  Try to get the correct memory for your computer
next time.

I have bought cheap memory before off brand ,or good deal but,
the savings requires a lot of research on your part prior to buying.
« Last Edit: December 26, 2006, 12:29:18 AM by street1 »
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