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Introduction |
| If your Lenovo T420 is running slowly, complaining about memory usage or does not boot up correctly, the problem may be related to a faulty memory module. This guide will show you how to replace both memory modules in your system. If you need to access the factory module, you will have to remove the keyboard from the system. Removal of the keyboard is not required to access the bottom module. | | '''Guide notes''' | | * Use of a matched pair of memory modules is recommended. Mixing and matching modules can work, but this can lead to potential system instability and may outright not work. | | * It is important that you do not lose the silver keyboard screw. The RAM door screw also holds the keyboard in, so this isn't the end of the world. However, your keyboard be noticeably loose. |
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