I was gifted this ~2010 Toshiba Portégé. Surprisingly small and thin for its age. I was hoping to revive it, but it has only 1GB of memory ootb.
Apparently it can be upgraded up to 5GB with one spare slot that currently sits empty.
I found 2 physically compatible identical 2GB modules but no matter which one I plug in, when I start the computer it just starts the fan on highest setting and nothing else happens.
Before I go into any more detail, I found this info online:
The Toshiba Portege R600 Laptop takes the PC2-6400 DDR2-800 200pin SDRAM SODIMM memory type
My sticks look like this:

Are they compatible to PC2-6400 DDR2-800 200pin SDRAM SODIMM? I honestly can’t tell.
I read the manual which says the modules need to be “Toshiba approved” but it does not say which/what Toshiba approves.
Plus this, which I did follow (note the negative):
Do not try to install or remove a memory module under the following conditions.
a. The computer is turned on.
b. The computer was shut down in either Sleep or Hibernation Mode.
c. Wake-up on LAN is enabled.
d. Wake-up on Wireless LAN is enabled.
e. The wireless communication switch is turned on.
And this does not happen:
If you install a memory module that is not compatible with the computer, the Power indicator will flash (on for 0.5 seconds, off for 0.5 seconds) in the following way;
■ If there is an error: repeatedly flashes orange twice, then white or green once
The power indicator ⏻ stays white all the time and does not blink.
TIA


How long did you wait? Give it like 15 minutes
OK that I didn’t try yet. Will report back.
I waited for half an hour, nothing happened.
I scoured the internet for a BIOS upgrade but what little I found might or might not be the right file, and flashing it is not a trivial task (no Windows!).
It runs something called ACPI BIOS 3.20, and it is impossible to find it under that name.
It does run acceptably on AntiX though, fwiw.