I have an old Lenovo ThinkPad E531 that won't recognize my 5Ghz network and isn't getting full speeds on ethernet - don't know if it's because it's so old (c 2013) or because of the network card ...

Like the Lenovo V570-1066AJU and Asus U56E-BBL6, the Z570-10249ZU is built around Intel's dual-core, four-thread Core i5-2430M processor, a 2.4GHz member of the "Sandy Bridge" family.

Sticking with Intel’s integrated HD Graphics 3000, the Z570 lasted a healthy 5 hours 27 minutes in our light-use battery test. The Lenovo edges further ahead of its rivals thanks to its sensible ...

The Z570 has the same 1366 x 768 pixel resolution as its rivals, so although 1080p video is out of reach, you can still watch 720p high definition from sites like iPlayer.

Like the Lenovo V570-1066AJU and Asus U56E-BBL6, the Z570-10249ZU is built around Intel's dual-core, four-thread Core i5-2430M processor, a 2.4GHz member of the "Sandy Bridge" family.

The IdeaPad Z570 comes standard with an integrated optical drive, a 2.0- or 0.3-megapixel webcam, 802.11bg/bgn WiFi, a 5-in-1 card reader and an HDMI port. Optional extras would be 10/100/1000M ...