By the way, it seems I have forgotten to provide this information:
$ lspci -vvnn | grep -A2 "VGA compat" 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) Subsystem: ASUSTeK Computer Inc. Device [1043:1862] Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
By the way, it seems I have forgotten to provide this information:
$ lspci -vvnn | grep -A2 "VGA compat"
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
Subsystem: ASUSTeK Computer Inc. Device [1043:1862]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+