There's a particular kind of disappointment that only a durable brand can deliver. Buy something cheap, and when it falls apart you shrug. Buy something because you trusted the name, and every fault feels like a small personal betrayal.
The ThinkPad name being the thing that stings. That's the whole shape of this.
Right. Daniel wrote in with this one, and it's a good one. Two years ago he bought a ThinkPad E15. Conservative spec, nothing fancy. He says he didn't do much research into the seller because it was new from Amazon and he figured new from Amazon meant new. He bought it because he associates ThinkPads with ruggedness and durability. And now the machine is coming apart at the keyboard. A couple of arrow keys died. The touchpad has jammed down so hard he has to practically slam it to register a click. And a few days ago the left arrow key popped up out of the shell entirely. He pressed it back in. No liquid anywhere near it, ever.
That last part is what makes it interesting.
He's asking four things. Are counterfeit or salvaged ThinkPads actually a thing, or is there some other explanation for what looks like a weirdly bad machine? The serial number passed Lenovo's checker, but then he got paranoid and wondered whether people recycle these. Assuming that check is definitive, he needs a new keyboard, and he knows they get replaced as whole units, so is that a realistic job for someone who has never done it? And here's the part he flags himself. The two questions are connected on purpose. If the machine is dodgy, he'd rather just live with it until he can afford a new one in a couple of years. It's already underpowered for his work, and once his desktop is set up again, which should be any day now, it goes back to being a travel-only machine.
So provenance and repair, and he's already worked out that they're the same question wearing two hats.
That's the thread. Where do we start?
With the check that didn't reassure him. Because the serial number passing is not the reassurance he thinks it is. Lenovo's serial lookup confirms one thing: that serial exists in their database and it maps to a configuration. It tells you the machine was built. It does not tell you the machine is new. It does not tell you it was never refurbished, never a warranty replacement, never a lease return that got wiped and reboxed.
So it proves the machine is real and says nothing about its history.
Exactly that. A refurbished ThinkPad with its original motherboard still has its original serial. Why wouldn't it? Nobody swaps the board to launder a laptop. So the serial passes, the configuration matches, and the checker gives you a green light that means considerably less than it appears to.
Which means the check is necessary but nowhere near sufficient.
It's a real check answering a different question than the one Daniel's asking. He wants to know if this thing is new. The checker wants to know if this thing is a Lenovo.
And on the counterfeit question specifically. Are fake ThinkPads a thing the way fake iPhones are?
Not really, and there's a reason. Counterfeiting a ThinkPad means counterfeiting a low-volume business machine with a fraction of the resale pull of a phone. The economics don't work. What does work, and what's common, is the grey end of the market. Salvaged units. Corporate lease returns. Machines that failed a warranty claim, got repaired with donor parts, and went back into circulation. Open-box units sold as new. Grey-market imports where the warranty doesn't transfer. None of those are counterfeits. All of them can be sold to you as new, and all of them will pass a serial check.
So the risk isn't a fake laptop. It's a real laptop with a past.
That's the whole thing. And the marketplace model is what makes it possible. When you buy from Amazon directly, you're buying Amazon's inventory. When you buy from a third-party seller on Amazon, you're buying that seller's inventory, and Amazon is hosting the listing. The word "new" on that listing is the seller's claim, not Amazon's verification. Daniel said he assumed new from Amazon was the real deal. For a first-party sale, that's a reasonable assumption. For a marketplace sale, it's an assumption about a stranger.
And there's a better check sitting right there that almost nobody uses.
The warranty lookup. Lenovo's warranty page will tell you the original ship date and when the warranty clock started. If Daniel bought the machine two years ago and the warranty started three years before that, the machine sat somewhere for a year before it reached him. If the ship date is years earlier than his purchase, that's your answer. Not proof of anything, but a date that doesn't line up is a question worth asking.
The serial check tells you what it is. The warranty start tells you when it began being somebody's problem.
And those are different facts.
Okay. So say the machine is genuine and new and the provenance is clean. We still have a keyboard falling apart with no liquid involved, which Daniel finds mysterious. It isn't mysterious. There are maybe four things that do this.
Go.
Manufacturing defect in the membrane or the scissor mechanism. Debris under the key. Repeated stress on a specific key. And the one that ties his symptoms together, which is a battery swelling underneath and pushing up.
Say more about that last one, because that's the one that matters.
A lithium battery that's degrading produces gas. The cells swell. On a laptop, the battery sits under the palm rest and the trackpad, so when it swells it pushes upward into the underside of the touchpad and the keyboard. The trackpad starts behaving like something is jammed under it, because something is jammed under it. And keys start popping out of the shell because the whole keyboard deck is being bowed upward from below.
The slam-to-click symptom is the tell. Daniel describes having to practically slam the trackpad to get a click to register. That's the physical click mechanism being pre-loaded by pressure from underneath. The dome switch is already partly depressed, so your finger has to travel further and hit harder to complete the click. That's not a software problem and it's not a worn-out switch. That's something pushing up.
And the ThinkPad community has documented this exact symptom. People describing the slam-to-click trackpad, opening the machine, and finding a swollen battery sitting right there.
Which reframes the whole thing. If it's a swollen battery, the keyboard faults and the trackpad fault are one fault, not three. Same cause, different symptoms. And a swollen battery is a fire risk. That's the part I'd want Daniel to hear clearly. A swollen lithium cell is not a cosmetic issue you tolerate until the machine gets replaced. It's the one thing on this list that has to be dealt with regardless of what he decides about the keyboard.
So the diagnostic order flips. Before he spends a cent on a keyboard, he opens the bottom cover and looks at the battery.
And he doesn't need to be a technician to do that. The bottom cover on an E15 is a handful of screws and some clips. You look for a battery that's no longer flat. A swollen pack will bow. It might lift the trackpad from underneath or bulge the base. You can often see it without any tools beyond a screwdriver.
And if it's flat?
Then you're back to the mechanical explanations. Scissor mechanism failure, debris, a manufacturing defect in that specific key. Still fixable, still diagnosable, just not urgent in the same way.
Here's where the two threads Daniel flagged actually meet. If the machine is a salvaged or refurbished unit, it may have been stressed or repaired before it ever reached him. A refurbisher who swapped a keyboard and reboxed the machine doesn't tell you the battery is two years older than the laptop. And if it's new, the faults point at a manufacturing defect or a battery that's failed early, which is a different problem with a different answer.
The provenance question changes the repair math. If the machine has an unknown past, its remaining life is unknown, and investing in it is a bet on a machine you can't date. If it's new, you know what you're working with.
Same repair, different bet.
And there's a third possibility Daniel should hold in mind. The machine could be genuine, new, and simply have a bad battery and a bad keyboard. Two independent faults on a budget business laptop is not a conspiracy. It's Tuesday.
So we've got provenance, which we can't fully resolve, and a mechanism, which we can diagnose. Which brings us to the repair itself, and Daniel's already flagged that he knows these get replaced as whole units.
He's right that it's a whole unit, and he's wrong if he's hoping that means it's easy. On the E15, and specifically the E15 Gen 2, the Type 20TD machine, the keyboard is not a pop-out module the way it was on some of the classic ThinkPads. On those older machines you could release a couple of tabs and lift the keyboard out from the top. On this one, the keyboard is integrated into the top case assembly. Getting to it means going in from underneath.
Walk me through what that actually involves.
Bottom cover off. Battery disconnected, and you disconnect it first, before anything else, because you're about to be poking around near a ribbon cable with a metal tool. Then the keyboard bezel comes off. Then you're dealing with the ribbon cables that connect the keyboard to the board, and those are the fragile part. They're thin, they're short, and they have a latching connector that you have to release correctly. Pry the wrong way and you tear the cable or crack the connector, and now you've turned a keyboard replacement into a motherboard problem.
So the difficulty isn't the screws. It's the two minutes with the ribbon cable.
The screws are tedious. The ribbon cable is where first-timers break things. And there's a real question of whether this is a beginner job at all. The people asking about it on the Lenovo forums and on iFixit aren't beginners being lazy. They're people who've watched the videos and still aren't sure, because the videos for this specific model are thin and the process isn't obvious.
And the part itself is cheap.
Thirty to sixty dollars for a replacement keyboard, depending on where you source it. The part is not the problem. The labor is. Either you spend an afternoon and take on the risk of breaking a ribbon cable, or you pay a shop, and suddenly you're into the machine for more than the keyboard is worth in the context of a laptop that's already underpowered.
Which is exactly the calculus Daniel's already doing. He said it himself. If it's dodgy, he'd rather live with it until he can afford a new one in a couple of years.
There's a version of living with it that's completely reasonable. He's about to go back to occasional travel use. A couple of dead arrow keys and a stubborn trackpad are annoying when you're using the machine daily and close to irrelevant when it comes out of a bag four times a year. If he's docked, he's on an external keyboard and mouse anyway, and the built-in faults stop mattering.
Except for the battery.
Except for the battery. Which is why the decision framework has to be ordered. Safety first. Convenience second. Economics third. If the battery is swollen, that's not a convenience question and it's not an economics question. You either replace the battery or you stop using the machine. A swollen cell in a laptop that lives in a bag, in a car, on a plane, is not something to defer.
If the battery is fine?
Then it's a judgment call, and the provenance question tilts it. If the machine has an unknown past, you're investing in something with an unknown future. If it's new, the keyboard fault is a known quantity and the repair is a known quantity. Either way, Daniel's instinct to separate the two questions and then reconnect them is correct. He just needs one more piece of information before he can decide, and that piece is whether the battery is flat or fat.
He opens the bottom cover, and everything downstream depends on what he sees.
Everything downstream depends on what he sees.
Hilbert: It's not counterfeit.
Go on.
Hilbert: I did a stretch at an electronics recycler. Not a fancy one. We took in pallets of ThinkPads from corporate lease returns. Hundreds at a time. They'd come in wiped, and we'd put new outer shells on the bad ones, new keyboards on the ones that needed them, box them up, and they'd go out to resellers. Some of them looked factory fresh. Some of them were sold as new. The serial number on every one of them was real, because it was the original board.
That matches what we were saying about the check.
Hilbert: The check was never going to catch it. You'd have to pull the warranty start date and notice it was two years before the machine was sold. Nobody does that.
What did you see on the batteries?
Hilbert: We had a name for the ones that came in with popped keys and jammed trackpads. Battery bloat specials. You'd open them up and the pack would be bowed like a paperback that got wet. First symptom was always the trackpad, because the battery pushes up from underneath and pre-loads the click. Then the keys start lifting.
The symptom order Daniel described is the textbook order.
Hilbert: Trackpad first, then the keys. And here's the part that would bother me if I were him. When we got one of those in, we'd pull the battery, test the board, and if the board was fine, it went back out the door with a new keyboard and a new battery. Sold as refurbished. Which means the machine he's holding might have already been through that cycle once before it ever reached him.
The thing could be on its second keyboard and its second battery and still pass every check he's run.
Hilbert: It would pass all of them. That's the whole problem with the checks.
The popped key he pressed back in. That's the deck being bowed. If the battery's swelling, it'll pop back out.
Hilbert: It will.
Which means the keyboard replacement is the wrong repair if the battery is the cause.
Hilbert: You'd be putting a new keyboard on a deck that's still being pushed up from underneath. It'd fail the same way.
That's the piece I want Daniel to take away. The keyboard is a symptom until proven otherwise.
Hilbert: Anyway. I've got a chest freezer running in the garage and I need to get back before it frosts over.
Daniel opens the bottom cover. That's the whole episode in one instruction.
It is. Everything else branches off what he finds in there. If the battery is flat, he's got a keyboard problem and a trackpad problem and a genuine choice about whether to spend an afternoon and thirty dollars on a machine he's about to use four times a year. If the battery is swollen, he's got a safety problem, and the keyboard question waits until that's resolved.
The provenance question, the one he opened with, may never get a clean answer. The serial check will keep passing. The warranty date might tell him something, or it might not. He could spend an evening on it and come away with a strong suspicion and no proof.
Which is the uncomfortable part. The tools we have for verifying that a machine is what it claims to be are weaker than we assume they are. A serial number proves the machine exists. It doesn't prove the machine is new, and it was never designed to.
There's a gap between what a serial number proves and what we assume it proves, and most of us only find out about that gap when something breaks.
Daniel found out the hard way, with a laptop he bought because he trusted the name on the lid.
Thanks to Hilbert Flumingtop, our producer, for the view from the recycling floor. This has been My Weird Prompts. If you've got a machine that's falling apart in a way that doesn't add up, email us at show at my weird prompts dot com. We read everything.
We'll be back soon.
See you tomorrow.
