One Ram slot not now recognised.Checked by switching ram strips one being 512 other 256.One slot recognises both one neither.Any suggestions on a solution.Am at present in India where believe you me the supposed experts arnt always experts.
I have the same problem. I called IBM and they said they would fix it for $475 about three months ago. I assume that included labor. I also have a problem where the laptop is extremely picky about booting up cold when on a dock (tried two different ones), but if I boot it on battery then place it on the dock it usually is ok.
This is a common problem with all thinkpads. The issue is caused by a blue case bumper pushing down on the reverse side of the memory slots and the memory door/cover. The memory cards will put uneven pressure on the solder joints causing cracks. There was a engineering fix offered to t30 owners under warentee. This fix was a motherboard swap out and a new memory cover with the proper distance needed. Since thinkpad is now owned by another company (lenovo) You may have issues getting the laptop fixed.
I had to purchase a new motherboard to fix mine. You can also send your machine in to a repair shop to have it reworked by hand but it usually costs about the same. (200$USD was how much I had to pay.)
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the reason is that one of your slot ram its not working properly and B.I.OS its not recognising the hard drive so needs to be open up and remove the failed ram to the unbuffered ram make sure its 2Gat leat so.
<1 remove the back of your laptop
<2 remove both slots of ram and try one at a time if not working still then it maybe the screen replacement
hope it helps bud
when adding new memory always take all memory out, reinsert the new 256mb stick into the first memory socket dimm1 normally, boot the laptop up, if the laptop boots then fine the memory module is ok, shut down and insert the original 256mb into the second slot, dimm2 then boot the laptop it should now boot normally, if not there maybe problems with the memory slot itself, give it blow to get rid of any dust and try again, if this dosent work post back.
umm .. Are both RAM memory modules the same type? You can fit different types of RAM to a computer but they may not be compatible together. Check that both modules are the same.
Other than that, it sounds as if the problem may be slot 2. This would suggest that either the RAM isn't being correctly engaged or the slot is faulty.
Switch off the computer. Put a memory module into slot 2 to see if the computer works. Try it with both memory modules using slot 2. If neither memory module works in slot 2 this indicates a fault - motherboard probably.
If one memory module works in slot 2 - but not the other module - this tends to indicate a mismatch between the RAM modules and they are not compatible together.
A 32bit OS and Processor is able to Identify and work with upto 3GB of memory. That may be the cause of the issue
Even if any computer has more then 3gb of ram it will showup only upto 3gb. if you install 4gb or more then also it will not show up.
.........and second reason, may the ram that you are using are not identical or one of them is not working properly.
Check the specifications of the ram and also try using one a time.
Re-soldering a memory slot can be costly. It takes specialized equipment to solder this component and it has to be done right. If you tested the same stick in the two different slots and it fails to boot when the stick is in that one slot, then you have correctly identified a bad memory slot. To be cost efficient, it is propbably beter to change out the main board. There are however companies out there that will repair motherboards regardless of the problem, prices range widely for the standard repair plus parts plus shipping. E-Bay has several companies that advertise these types of repairs.
Are you sure its the correct speed/type of RAM? According to Google your laptop takes PC2700 DDR RAM, ensure you are using this in both slots to avoid problems. If you have it fully inserted into the slot and nothing happens when you swtich it on then the laptop doesnt like that type of RAM and you'll need to change it.
There are 2 possibilities here - either the slot is not working or the RAM itself.
First install the working 128MB RAM in both memory slots one after the other and ensure that both the slots are in good shape.
Next, install the other 128MB RAM in one slot and check if this is working good.
Your laptop can support a maximum memory of 512MB. If you looking for an upgrade, please call Dell Support. Even though it's little expensive and shipping takes a week, you can get a free after sales service and peace of mind. Moreover you get proper guidance from the experts.
You Can Actually Upgrade This To 2 Gig Memory.
Each Slot Will Take 1 A Gig Strip.
I,d suggest Buying another 256 mb Strip, To Put Into Slot 2.
Or Buy a 512mb ( Half Gig ) Which Will Give you 750mb With your Existing Strip Already In There. ** Recommend 1 Gigabyte Max** 2 gig of Ram in This Baby Would Probably Start Glowing.
You Can Buy DDR/266/333 In 256/512/1 Gig Strips. These Are Commonly Known As SD-RAM-Modules.