UPD: 15.06.2016.
I bought very cheaply a reserve laptop if for some reason goes wrong with the main laptop. Specs:
Model: HP Compaq nc6120.
OS: Windows 7 Professional 32-bit
Processor: Intel Pentium M 1.60 Ghz
Memory: 2GB DDR SDRAM
Graphics: Intel GMA 915
Hard disk: Fujitsu 40GB
Other features: none.