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Sony PCG-SR21K Ram
Some RAM is mandatory even for your laptop to even boot. Random Access Memory, RAM, stores small bits of data for the CPU to use for programs. The speed of the RAM is imposed within the specs of the motherboard, while the size is dictated by the operating system. Due to the fact that RAM is temporary storage for the processor, it does not have the ability to store files such as text documents or movies. Instead, it has a positive impact on the speed of the computer. Random Access Memory is considered temporary storage as all the information held gets blanked out when you shut down your system. If you are ever in doubt, remember that bigger is always better!
How do you know if your RAM stick is on its last leg?
- The main operating system does not show the right memory amount
- You tend to have access errors on your laptop as you use it
- The laptop screen will not display anything when booting up
- Silence when trying to power on your system
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It is in your best interest to note the part number before buying a RAM replacement. Be sure to always get electronic parts from a well-known website if you buy anything online. Sony PCG-SR21K RAM should really be bought new because of wear and tear on any old one. Your Sony laptop will thank you for buying the right part!
Feel free to download your manual for help.
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