Dear K.Zahid,
Thanks for your feedback. Now we are working on this problem.
Regarding issue with Lenovo Notebook performance, Some users required RAM upgrade on existing machine to fix the problem.
For future lot, we had already increase RAM to come with standard delivery, therefore, this performance issue should be resolved.
Also please note that additional RAM cost will be charged to respective cost center, same as computer leasing cost.
Please let us know, if you require to upgrade RAM on your machine. We will proceed the next step for you.