Another little upgrade for my dumpster-find Ideapad. A local computer shop randomly listed the best CPU that originally came in one of these for $20, so I bit.
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^^ it's even one of the 1337 models, how could I say no?
Incidentally the only problem I've been having with this thing is the ambient light sensor fighting with KDE's screen brightness control and changing the brightness 'randomly' all the time, regardless of what I try to set it to. As far as I can tell, the ALS isn't software controlled at all and works via sending brightness-adjustment key presses, meaning there's no way to just deactivate it. So the 'sticker mod' up there will do until I open up the top panel again and physically disconnect it. I had to use this sticker for the extra bit of retro cred. 😉
Back to the hardware, it's literally 11 screws to get the CPU out, and it's in a socket. Try that on your 'ultrabook':
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I decided to do a proper job with the thermal paste this time, as hopefully I won't need to be in there again for a while, so I burned through a bunch of isopropyl & q-tips cleaning old gunk off (the GPU too.) Somebody needs to tell Lenovo that this stuff is not cake frosting. Here's old vs new after cleaning them up:
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Installed:
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^^ I applied some Arctic Silver in a nice even surface spread to both dies + the GPU after this. BTW the dummy SD card cover makes a perfect thermal paste spreader.
...and up & running! I originally got a 'microcode not present' error, but updating to the last BIOS (which was NOT particularly easy to find! Lenovo seem to have expunged this model from their worldwide support site 😠 ) fixed that.
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So yeah, super pleased with it again! The new CPU is a nice speed bump, although the mobile i3 and i5 are basically the same in this generation, so it just comes down to clock speed. The i5 has a higher base clock (2.66 GHz vs 2.13 GHz) and turbo boost. Both are rated 35W TDP. Haven't noticed it getting hotter at all, in fact my thermal paste tune-up may even have it running a bit cooler. Did a bunch of benchmarks with the GPU activated last night and it was rock solid.
Still planning a couple further upgrades: I want to swap out the mismatched RAM for two 4GB sticks and the 60GB HDD with a 320GB one I have lying around (which is going to involve re-installing the OS onto the SSD and possibly setting up a Win7 dual boot, which is why I haven't done it yet.) Still, pretty happy with this thing. Great little laptop.
twitch.tv/oldskooljay - playing the obscure, forgotten & weird - most Tuesdays & Thursdays @ 6:30 PM PDT. Bonus streams elsewhen!