Member Avatar for patdeeley

my friend has a low update rate when on his computer. i noticed that his memory was not showing the full amount. i upgraded his ram to 2 gigs and not all his new ram was detected. it was a small percentage and the ram itself was more than double what he previously had. there was no appreciable improvement. i thoroughly researched the new ram and am certain it is the correct memory. it is a 2002 compact laptop v2000. where do i check next? thankyou patdeeley

  • 3 Contributors
  • 3 Replies
  • 117 Views
  • 2 Days Discussion Span
  • Latest Post Latest Post by gerbil

Dani AI

Generated

Built on what and have suggested, here are focused checks that address the most common causes for “most but not all” RAM being seen after an upgrade on an older laptop.

Try the simplest hardware isolation first. Power down, unplug AC and remove the battery, ground yourself, then boot the machine with only one 1 GB stick in the first memory slot and note what the firmware/Windows reports. Repeat with that same stick in the other slot, then repeat both tests with the second stick. If a stick shows less than 1 GB in any slot the module is likely bad; if both sticks are fine alone but the two together show short, that points to a slot addressing/chipset limitation or BIOS setting.

Check Windows and boot settings that can artificially limit RAM. On XP-era systems open System Configuration (msconfig) -> Boot.ini -> Advanced Options and clear any value in “Maximum memory.” Use System Information (msinfo32) or System Properties to compare “Installed” vs “Usable” amounts so you know what the OS sees vs firmware.

Remember vendor and chipset limits and module compatibility. Older 2002-era laptops often have per-slot limits or do not accept newer high-density 1 GB modules even if speed/type looks correct. Look up the exact model’s memory maximum and supported module types, and consider a BIOS update only if the vendor explicitly lists improved memory compatibility (follow the vendor’s flash instructions exactly).

Handle RAM carefully and, if isolation shows a bad stick or persistent incompatibility, return/exchange the module or try known-compatible lower-density modules.

Recommended Answers

All 3 Replies

Member Avatar for patdeeley

somehow i lost an answer and would like the responder to know that i removed the 256,512 stix from the laptop and relacd them with two 1 gig stix. most of the memory was detected but not all. there is nothing fancy on the laptop and i would expect to see all the ram detected. thankyou, patdeeley

Member Avatar for rch1231

It could be something as simple as part of the RAM being used for Video memory. I would check the BIOS and see what it shows instralled.

Member Avatar for gerbil

Test the RAM. Memtest86+. Dl the iso or USB versions, do the build [eg.. burn it] and then boot from that medium. run the test for an hour or more. One failure means bad RAM.
Just cos a shop sold it doesn't mean it is in working condition.

Be a part of the DaniWeb community

We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.