Minimum 8 GB or maximum 16 GB

If the RAM is 8 GB, then it should be in one slot and if one slot is empty, 8 GB can be purchased separately, that is, the RAM can be increased later.

Hard disk i.e.

 memory should be ssd while hdd is three times slow and uses more battery so only ssd is better for work.

The higher the generation the more modern i.e. 5th better than 4th generation and 6th better than 5th

The most modern so far is the 11th generation

3 types of processor:

core i3, i5 & i7.

i7 is the best

If you want 

To do graphical work

A minimum 2gb graphic card is also required

The battery should be of lithium cells

Also check the mAh of the laptop battery

If you buy a used laptop, then check how much mAh battery is left

 Used Laptop buying guide.

Second hand

Most of the deception when carrying a laptop is in the display.

That is, a local one is inserted after extracting the original display, how to check it

  If you are looking to buy a used laptop then this information is for you.

While selling old laptops, the shopkeepers put such a wallpaper that people are happy to see the display and the wallpaper is also such that the damage is not visible on the pixels.

This is how to check the display.

After that, fill the brightness of the laptop

You have to open the notepad and spread it on the whole screen, then the whole screen will turn white.

In this way, if there is any pixel damage in the screen or there is pressure on the screen from some place, black marks will be seen from there.


search the laptop you want to buy on the internet and check its specification to see which display the desired laptop has, whether it is LCD or LED.

If it is LCD, the display is not visible when viewing the screen from the side, this is a sign of LCD

And led is much better display

Another important question is the buttons

Are there any buttons damaged?

Search on Google for the laptop you want to buy

Keyboard tester.

This is 1 mb software download and install and open it

And press the laptop buttons one by one

Whichever button is OK will turn green on the screen.

To check the processor you have to search in google


Download and install this small software and open it

After opening, CPU information will be listed in the first option

The number listed in front of the name column in this CPU information will tell you the generation.

Understand carefully

  For example

Inter core i3,

If three more digits are written after that, the processor is first generation

If there are four digits, there are second or later generations

For example

Intel core i3.,,,, 803

That is, if three digits come after i3, it means first generation

Intel core i3.,,,, 2304

In this example, i3 is followed by four digits, so this is the second generation.


Intel core i3.,,,, (3)405

Inter core i3.,,,, (4)505

These two examples also have four digits, but in the first example, the starting digit is 3, so it is the third generation

In the second example, the starting digit is 4, so the fourth generation

Remember that round brackets have been added to explain the first digit


With the help of the same software, you can also get cache and mother board information

And this software will also give you ram information and graphic card information.

If the laptop does not have a graphic card, then the information will not be visible.

How to check hard disk and battery.

How to Check Hard Disk and Battery When Buying a Used Laptop?

You have to search on Google

hard disk sentinel.

Download and install this software and open it.




The percentage will be displayed

If there is a problem with the hard disk

So health and performance level is not 100 percent

A note is also written below, if the hard disk is fine, it is told if there is a problem i.e. bad sector, then it is written in the note.

Temperature option

In the temperature option of the same software, you can find the temperature of the hard disk

Smart option

All other hard disk tests

  You can see in smart option

The smart option should have a test value of 0

The value is not 0 if the hard disk is repaired i.e. bad sectors have been removed by the mechanic

Information option

In this option you can see what type of hard drive you have

Is it SSD or HDD etc

How to Check the Battery!

Open Windows PowerShell by right-clicking on the Start menu

In it you have to write this


Next to write


That is, you have to write the path and then click enter to save the battery report.

Your battery report is saved in C drive, open it and see the battery information.

This report shows how old the battery was when the laptop was made new

How much battery is left to be used?

 What are the best qualities for a laptop?

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