B570 is an entry level laptop released by Lenovo in 2011.
Configurations
There are models with i5, i3 and Pentium processors (models B800 and B950), HDDs between 500-750 GB, RAMs between 2-4 GB DDR3, Qualcomm Atheros or Intel Wi-Fi cards with some models not having Bluetooth 2.1 that comes with the others.
All models contain:
- 15.6" WXGA (1366x768) resolution display
- 12.7 mm high DVD±RW drive with dual layer support
- 0.3 MP webcam fixed focus webcam
- Egistec ES603 fingerprint sensor
- Intel HM65 Express chipsets
- full size keyboard with numeric keypads and cramped direction buttons placement
- Realtek 6-in-1 card reader (support for SD, SDHC and xD Picture cards)
- 3 USB 2.0 ports and 1 USB 2.0/eSATA combo port
- Synaptics multitouch touchpad with two-buttons
- 6-cell Li-ion batteries with a backup of about 2-3 hours when new
- M.2 port for GPS/3G module or more commonly, an SSD
- Realtek RTL8111E Gigabit Ethernet
- Realtek ALC272 codec audio chips
- VGA and HDMI ports
- SATA II 3.0 Gb/s interface
- two RAM slots
General Issues
- The Atheros cards (model AR9285) generally have issues of disconnection with various workarounds required for smooth working
- Previous Ubuntu versions would show black screen when booting into a live environment but recent Ubuntu versions boot fine
Brightness keys won't work unless a special Intel backlight config file is created (as mentioned https://itsfoss.com/fix-brightness-ubuntu-1310/)
- UEFI is supported but buggy in its current implementation