First maybe confirm the integrity of each stick by just inserting one at a time and leave one slot empty.
Hello, forum dwellers. I'd highly appreciate your advice on the following matter.
I have a Sony VAIO PCG-FRV26 laptop. The machine runs XP SP2, fully updated. It currently has 2x256 DDR266 SODIMMs (by Infineon). The laptop's manual says the memory is expandable to 1GB; so do other online sources regarding this particular model. I wanted to upgrade the memory to 1GB, so I bought 2 Kingston ValueRAM 512MB DDR266 SODIMMs. However, the system keeps using only half of it --- System Properties/General says 448MB of RAM. When I run Everest utility, it shows the machine sees both 512MB modules with no problem. When I install 1 512MB module and 1 256MB (=768MB in total), the memory is still reported to be 448MB (it ignores the 265MB SODIMM)
Can you pls tell me what the possible reasons may be that the memory does not go beyond 512MB. Thank you.
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