This defiantly does not cover all you asked about but Crucial has a [link|https://www.crucial.com/store/systemscanner?gclid=CjwKCAiA_vKeBhAdEiwAFb_nrbIfkKjpeDjNpNvL85V1NPONwJ_K_WRPlXY90vuRkXrMRR7LEicgvRoCXyQQAvD_BwE&ef_id=CjwKCAiA_vKeBhAdEiwAFb_nrbIfkKjpeDjNpNvL85V1NPONwJ_K_WRPlXY90vuRkXrMRR7LEicgvRoCXyQQAvD_BwE:G:s&gclsrc=aw.ds|tool|new_window=true] you can download and it will scan your hardware and bring you back to crucial page and tell you what's compatible. Also you can manually put in the info and this is what I found:[br]
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You have maxed out officially available RAM in your system, but if it can support 4 gigs you have single channel memory, but I could not find the DDR type or if its soldered but you can get storage upgrades, and of you do that you can take a look at the RAM situation then, you can see compatible storage options here:[br]
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[link|https://www.crucial.com/compatible-upgrade-for/asus/w2w#ssd|https://www.crucial.com/compatible-upgrade-for/asus/w2w#ssd|new_window=true][br]
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Also maybe consider is it better to just replace the laptop, whatever you do I hope you can get it up and running