Having problems with your IBM ThinkPad R40 2722 Notebook ?

How do I add more RAM memory to my aging IBM Lap Top 2722? It currently has 256 MG installed, and I have bought a 1 GB memory module from Kingston. Where and how do I find the existing module and add the 1 GB modules (or replace the existingone). I can not find a manual at home (long gone, I guess), so I do not know how to go about this memory upgrade. Claes G Boregard


Answers :

Step 1: Find the memory type and amount used by the computer
\015\012Step 2: Find out how much memory can be added
\015\012Use the following steps to find out how much memory is currently installed and how much can be added:
Open My Computer .
In Microsoft Windows XP, click Start and right-click My Computer .
In Windows 98 and Me, right-click My Computer .
Select Properties and then click the General tab if not already selected (see Figure 1).
Subtract the amount of RAM currently in the computer from the maximum amount of memory the computer can hold. This is the amount of RAM that can be added. For example, in the figure below, the computer has 192 MB of RAM. If the maximum amount of memory the computer can hold is 512 MB, then 320 MB is the amount of RAM that can be added.
Divide the maximum amount of memory that the computer can hold with the number of memory sockets on the motherboard. Usually, this is the maximum amount for each memory socket. For example, if the computer is capable of holding a maximum of 1024 MB (1G) of memory and the motherboard has four memory sockets, it would be safe to install nothing higher than a 256 MB memory module in each socket.
\015\012
Step 3: Remove memory
Use the following steps to remove a memory or continuity module:
Turn off the computer.
Windows 98 or 2000: Click Start , Shut Down , and then Shut Down
Windows XP: Start and then Turn Off .
Unplug the AC adapter, if present, and remove the battery.
From the bottom of the computer, remove the screw holding the RAM cover, and remove the cover.
\015\012Spread the retention clips on each side of the memory expansion board.
WARNING: To protect a removed memory expansion board, place it in an electrostatic-safe container.
\015\012Remove the board by pulling it away from the connector at a 45-degree angle.
\015\012Step 4: Add a memory module
Use the following steps to increase the computer's RAM, install a RAM module in the expansion slot on the bottom of the computer.
CAUTION: The computer's chips are extremely sensitive to static electricity, and can be permanently damaged by it. Handle the RAM module only by its edges. Before installing the memory module, discharge the body's static electricity by touching the metal shielding around the connectors on the rear of the computer.
\015\012Turn off the computer.
Windows 98 or 2000: Click Start , Shut Down , and then Shut Down
Windows XP: Start and then Turn Off .
Unplug the AC adapter, if present, and remove the battery.
From the bottom of the computer, remove the screw holding the RAM cover, and remove the cover.
Align the keyed (notched) edge of the board with the keyed area in the expansion slot. Insert the board into the slot at a 45-degree angle until it is seated.
\015\012Push the front edge of the board down until the retention clips snap into place.
Replace the cover.
\015\012Insert the battery.
NOTE: Windows 98 only: When increasing the computer's memory to more than 512 MB, the computer will not be able to hibernate unless the size of the utility partition on the hard disk is also increased.
\015\012Step 5: Test the memory
Turn on the computer. If the computer does not start properly, go to the next section Troubleshooting memory problems .
The memory test should briefly run when the computer restarts. Restart the computer several times to make sure that the memory works properly.
If the memory count fails to complete, stops before reaching the total amount of memory, or counts more than once in consecutive restarts, troubleshoot the memory problem or replace the new memory module with another memory module.
\015\012
\015\012Troubleshooting memory problems
\015\012
\015\012Try the following items if the computer cannot start or has memory errors (including beeps) when the computer first starts:
Remove the new memory module and clean the groove in the socket that the module sits in. Use a can of compressed air with a straw-type extender and safety glasses.
Re-seat the new memory module by repeating Step 2 through 5 of this document.
Make sure that other cables inside the computer are not partially out of their sockets. Reseat any cables that are dislodged.
Replace the new memory module with a different one. Make sure that the memory is the right type and compatible size of memory. You can remove and reference from the memory module that originally came installed in the computer.
\015\012still if you face any issues
\015\012please do not hesitate post the issue
\015\012in detail
\015\012i will guide you more in step by step
\015\012
\015\012Thanks
\015\012
Repair Help & Product Troubleshooting for IBM ThinkPad R40 2722 Notebook

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