I've had the t420 for about 4 years now, is it time to open it up and clean it? It works ok, but sometimes I hear a dim roar and feel hot air coming out. Sometimes 2 or 3 keys get stuck I don't recieve a tactile feedback.
Any suggestions or I go with "don't fix if ain't broke" route?
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agreed keyboards are very cheap, it's 2 screws and push up towards the screen then lift up (see youtube). Take the dust out, get a new keyboard and that machine will last a long time. Last of the true thinkpads.
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I recently replaced the keyboard and entire palm rest piece on my T420 due to extreme wear over the past 3 years. The last of the old school ThinkPad keyboard style, and I'm keeping mine around for a long time. I purchased an extra keyboard just to be safe.
Opening it and giving it all a good blow out is rather easy; just download the hardware maintenance manual or check for videos on YouTube. The first time, you'll freak over the plastic cracking sounds, but those are normal. -
Where did you guys purchase replacement keyboards from?
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eBay or the marketplace forum on ThinkPads.com are good bets.
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The most important thing to do is to remove your current keyboard and check the FRU# on the back to make sure you order the same one. Some keyboard FRUs, even on the vaunted T-series, don't have as stiff a backplate as others. -
should I get 16gb of ram, would that increase performance? which speeds and voltage?
I already have 8gb. What information do you need?
Any specific software needed to properly detect if I need to open the laptop up and clean or change thermal paste? -
hwinfo is great for getting all the sensors and telling the temps. I can't imagine you need more than 8gb unless you have some virtual machines, huge database, photoshop or CAD. Plus you'd have to buy all new 8gb dimms.
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Temps seem fine to me.
With that said, given the age of the machine, I'd still re-paste it.
t420 maintenance - advice?
Discussion in 'Lenovo' started by iphetamine, Aug 4, 2014.