My Legion 7 Pro 5080 Died .. Learn from me
So funny thing, I was complaining earlier in another post that I may have sensitivity to OLED / PWM, and now the laptop is dead and already sent to the service center.
Here is my full story so you learn something from me.
I was on a hunt for a new gaming laptop and after lots of research found out that the Legion is supposedly a reliable, great brand with excellent performance.
I searched everywhere for good prices, but unfortunately local prices where I am, UAE, are around 1,000 USD more than the US variants. So I started checking the used market for something with warranty and found what looked like a great deal at the time.
It was a Lenovo Legion Pro 7, RTX 5080, 64GB RAM and 2TB SSD, with around 15 months local warranty remaining. I did all the testing I could think of. Lenovo app diagnostics, system testing, GPU tests, everything. All returned normal. The GPU tests ran without issues. The laptop looked clean, no scratches, and was in pristine condition.
I bought it for approximately 3,123 USD. It was used for only 8 months. A new model with the same specs here in the UAE costs around 4,200 USD
Fast forward. On the second time opening the laptop, I updated the Lenovo Vantage app, then closed the laptop. The next day I opened it, did some light browsing, and within the first 2 minutes I heard a clicking sound. Then the fans went ballistic. I mean extremely, extremely loud. I checked the temperature and it was normal. The laptop was not hot at all. Then it shut down on its own.
At first, I thought maybe Windows being Windows.
I opened it again, and within 1 minute or less after booting, the same thing happened. Fans went crazy, then shutdown.
I started searching with the help of GPT-5.5 and Claude Opus, and both pointed me toward checking the BIOS.
So I did, and that is where I saw the GPU reading as **Invalid**.
Then I made a stupid mistake. I changed the graphics mode to **Discrete GPU**, thinking maybe it would force the GPU to work or detect properly. Big mistake. After that, the screen went completely black. No Lenovo logo, no BIOS, nothing. Just pure black screen.
I tried everything I could safely try:
* Power drain reset
* Holding the power button for 60 seconds
* Blind BIOS reset
* External monitor
* Trying to get back into BIOS
* Charger only / battery only style checks
Nothing worked.
The laptop is now with the service center. Warranty told me they will give me an update on Tuesday on whether they will accept the warranty claim. They also told me if the laptop was opened before, they may not accept it. And this is exactly where buying used becomes scary, because even if the laptop looks perfect, even if Lenovo diagnostics pass, even if warranty shows active, you still don’t fully know what happened to it before you owned it.
The tests may all pass. But you still don’t know if it was opened, repasted, repaired, dropped, overheated, liquid metal touched, or anything else.
And now I am sitting here with a very expensive laptop that lasted me basically 48 hours.
The worst part is that I did everything “right” before buying it. I checked the condition. I checked warranty.
I ran diagnostics. I tested the GPU. I checked the specs. I compared prices. I thought I was being smart saving around 1,000 USD compared to buying new locally.
But honestly, after this experience, I don’t think the savings were worth the stress.
Moral of the story: **don’t buy used gaming laptops unless you are fully ready to accept the risk.** Especially high-end machines.
A used laptop can pass all tests today and die tomorrow.
Now I’m waiting for Tuesday to see whether the authorized repair center from Lenovo accepts the warranty or not.
If they reject it because it was opened before, then this becomes one of the most expensive lessons I’ve learned.
I’ll update once the service center gives me the final answer.