A while ago some of the keys on my Dell XPS laptop started working poorly, they were only registering the presses half of the time or if I pushed them really hard. I tried removing the keycaps and cleaning the keys on the inside, but to no avail. Well, I thought, that means it's time to get a new laptop. So I was choosing the next laptop to get. One of the options I considered was the Framework laptop, which is supposed to be super repairable - I mean, if only I could just replace my laptop keyboard, I wouldn't have to buy a whole new laptop just because of a few broken keys!

Then I thought about it again. I realized that a repairable laptop is only useful if you actually try to repair your laptop, which I've never done. So, I looked it up, and turns out Dell, while obviously not as easily repairable as Framework, has very well-detailed official service manuals as well!

Two weeks of waiting for a Chinese copycat keyboard from AliExpress and three hours of work later, I finally have a fully working laptop! Turns out it isn't hard at all to replace a broken keyboard - but I'm still very proud of myself for doing it, mostly for even deciding to do it instead of just turning a fully functional laptop into e-waste as I would've done otherwise. I was also really surprised that Dell laptops are that easy to fix (though they don't officially sell replacement parts to consumers), since it's known to be a company that makes a ton of money on expensive support offerings.

I don't really know what the lesson of this post is, I just wanted to share this small achievement with y'all.

As per title this is inspired by my recent problems with a Latitude 7320 notebook.

I can't use my desktop right now and so wanted some cheaper nb for normal usage and eventually settled on this model due to being able to get it at an acceptable ratio of price to age and seeing it as compatible on Ubuntu, not noticing the disclaimer until later.

The problems started right after installing Fedora KDE - the nb was running at absolutely abysmal performance and this problem affects several models.

Running passmark I've got above 2000 on cpu, on Windows I had 11000. The cpu was throttling to 1500Mhz and lower for no reason. Switching a BIOS setting of power management to "ultra performance" got me to twice the score.

Eventually using throttled from github for various Lenovo and Dell models and thermald I was able to get to twice that again, still a fifth less than on Windows. Also the repo has potential of security concerns due to how it works, also potential to just stop working due to them later.

Mainly I'm posting this to just say that there is zero legitimate technical reason why this should happen, it works on Windows and on Dell tampered Ubuntu images. The hw is fine but for some reason someone somewhere decided to artificially limit the hw for whatever reason.

Right now I am still indecided if I should write off the several hours I've spent on this and return the machine to play the dice with some other model.

Edit 5.4.: it turns out I was not using the throttled package correctly and now have roughly equivalent performace in Linux as in Windows up from the 4/5 or so after all the other workarounds. All of the points still apply though. I also heartily recommend s-tui as a nice utility for cpu monitoring and stress test.

This link gives some useful detail about Dell Latitude model numbers.

https://en.tab-tv.com/dell-latitude-identification-and-decoding-of-the-laptop-model/

Unfortunately, it only goes up to 2017.

The first digit is the "series". There are several series, higher numbers are better.

The second digit is the screen size. 1=11", 2=12", ..., 7=17".

The third digit is the year. 1=2010, 2=2011, ..., 7=2016, 8=2017.

The forth digit is connected to form factor - standard, removable screen, transformer.

My question is whether there's a similar decoder ring for newer models.

EDIT:

Okay, so, newer models appear to follow similar convention, with slight changes to last two digits for year.

eg, Dell Latitude 9510 = premium ultrabook, 15" screen, released 2020.

eg Dell Latitude 7440 = ultrabook, 14" screen, released 2023

The first digit identifies the range:

• 9 = premium ultrabook
• 7 = ultrabook
• 5 = mid range
• 3 = entry level

The second digit is the screen size:

• 5 = 15"
• 4 = 14"
• 3 = 13.3"
• 2 = 12.5"
• 1 = 11.6"

The last two digits give the release year:

• 90 = 2018
• 00 = 2019
• 10 = 2020
• 20 = 2021
• 30 = 2022
• 40 = 2023

I'm in the market for an external monitor for my Macbook M1 and wanted some advice on what I should get. I pretty much only code, read pdfs and webpages, and watch videos (not movies really) on my laptop, so these would be the use cases. I'm trying not to break the bank here so I was looking at some budget options. The Macbook has USB-C so I would be looking for a monitor with that, but my main question is regarding resolution. Do I really need a 4K monitor for my use cases? I'd be interested in hearing people's experiences with 4K versus without — I've never had one but I'm wondering if now is the time to splurge and get it? Will the difference be very noticeable if I'm primarily looking at text?

My first place option right now is this one from Asus, so I'm curious if the brand is reliable as well. I don't think I've ever had an Asus product. If I were to splurge and get a 4K monitor I would probably get this Dell, but at $400 its a bit more than I was hoping to spend. But I also don't want to get a monitor that I immediately want to upgrade. Curious what other people's thoughts and experiences have been.

EDIT: See my comment for some updates. I've backed away from the 1080p options!