Riveted keyboard: The old laptop keyboards have only two screws, but now the new laptop keyboards have 100 rivets which takes 6-7 hours to replace using a soldering iron. Authorized service centers charge 20,000 to replace riveted keyboard since they change the whole top body.
Batteries have become sealed components. In new laptops, the battery is not removable. The new batteries which come in part centers do not match and thus are non replaceable.
Memory Ram is soldered on motherboard in new laptops. the RAM is fixed on board due to which it is not possible to replace a faulty ram nor upgrade it. On older laptops ram upgrade and replacement is much easier.
Data cannot be recovered.
Hard disk is soldered on motherboard in new laptops. In order to upgrade, the motherboard will have to be changed which has the same price as compared to a new laptop.
Hinges have become more succeptable to damage. The older laptop hinges were much stronger.
Keyboards are more succeptable to liquid damage. They get affected by moisture more easily.
Power button has been incorporated in the keyboard of new laptops. Thus, if the keyboard gets spoilt you cannot switch on the laptop.
On touch screen laptops, bezel has been removed. This makes it difficult to replace the screen. Since the touchscreen has been glued to the back body.
Hinge frame has been removed. When the hinge frame is removed the screen breaks easily because it pushes the screen outside and the screen is not held by the hinge frame anymore.
Processor power has dropped in new laptops need to be atleast above 2.0Ghz. Processor speed lower then that will not be able to support current day applications like Zoom, Microsoft Teams, Google Meet.
Authorised Service Centers do not cover warranty of any part that has been damaged by power surge, liquid or by impact damage. They don't cover software either as windows is not owned by them. Windows is owned by Microsoft.
Authorised service center do not do data recovery and they do not take responsibility for the loss of customer data.
The new motherboard are very sensitive to power fluctuations and get damaged easily.