Hang computer when I use Full screen option

Can you please provide more info like the ubuntu version you are using and also the hardware specs?

It would help us to help you better!

description: Computer
    product: Lakeport
    vendor: Intel
    width: 32 bits
    capabilities: smp-1.4 smp
    configuration: cpus=1
  *-core
       description: Motherboard
       physical id: 0
     *-cpu
          product: Intel(R) Pentium(R) 4 CPU 2.80GHz
          vendor: Intel Corp.
          physical id: 0
          bus info: cpu@0
          version: 15.4.1
          serial: 0000-0F41-0000-0000-0000-0000
          size: 2800MHz
          width: 32 bits
          capabilities: boot fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe constant_tsc pebs bts eagerfpu pni dtes64 monitor ds_cpl cid xtpr
          configuration: id=0
     *-memory
          description: System memory
          physical id: 1
          size: 3018MiB
     *-pci
          description: Host bridge
          product: 82945G/GZ/P/PL Memory Controller Hub
          vendor: Intel Corporation
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 02
          width: 32 bits
          clock: 33MHz
        *-display
             description: VGA compatible controller
             product: 82945G/GZ Integrated Graphics Controller
             vendor: Intel Corporation
             physical id: 2
             bus info: pci@0000:00:02.0
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: msi pm vga_controller bus_master cap_list rom
             configuration: driver=i915 latency=0
             resources: irq:16 memory:fea80000-feafffff ioport:dc00(size=8) memory:e0000000-efffffff memory:fea40000-fea7ffff memory:c0000-dffff
        *-pci:0
             description: PCI bridge
             product: NM10/ICH7 Family PCI Express Port 1
             vendor: Intel Corporation
             physical id: 1c
             bus info: pci@0000:00:1c.0
             version: 01
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:24 ioport:e000(size=4096) memory:feb00000-febfffff ioport:fdf00000(size=1048576)
           *-network
                description: Ethernet interface
                product: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
                vendor: Realtek Semiconductor Co., Ltd.
                physical id: 0
                bus info: pci@0000:01:00.0
                logical name: ens32
                version: 02
                serial: 00:e0:4c:36:05:ec
                size: 100Mbit/s
                capacity: 100Mbit/s
                width: 64 bits
                clock: 33MHz
                capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
                configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full ip=192.168.1.3 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
                resources: irq:25 ioport:e800(size=256) memory:fdfff000-fdffffff memory:fdfe0000-fdfeffff memory:febe0000-febfffff
        *-usb:0
             description: USB controller
             product: NM10/ICH7 Family USB UHCI Controller #1
             vendor: Intel Corporation
             physical id: 1d
             bus info: pci@0000:00:1d.0
             version: 01
             width: 32 bits
             clock: 33MHz
             capabilities: uhci bus_master
             configuration: driver=uhci_hcd latency=0
             resources: irq:23 ioport:d880(size=32)
           *-usbhost
                product: UHCI Host Controller
                vendor: Linux 4.8.0-34-generic uhci_hcd
                physical id: 1
                bus info: usb@2
                logical name: usb2
                version: 4.08
                capabilities: usb-1.10
                configuration: driver=hub slots=2 speed=12Mbit/s
        *-usb:1
             description: USB controller
             product: NM10/ICH7 Family USB UHCI Controller #2
             vendor: Intel Corporation
             physical id: 1d.1
             bus info: pci@0000:00:1d.1
             version: 01
             width: 32 bits
             clock: 33MHz
             capabilities: uhci bus_master
             configuration: driver=uhci_hcd latency=0
             resources: irq:19 ioport:d800(size=32)
           *-usbhost
                product: UHCI Host Controller
                vendor: Linux 4.8.0-34-generic uhci_hcd
                physical id: 1
                bus info: usb@3
                logical name: usb3
                version: 4.08
                capabilities: usb-1.10
                configuration: driver=hub slots=2 speed=12Mbit/s
        *-usb:2
             description: USB controller
             product: NM10/ICH7 Family USB UHCI Controller #3
             vendor: Intel Corporation
             physical id: 1d.2
             bus info: pci@0000:00:1d.2
             version: 01
             width: 32 bits
             clock: 33MHz
             capabilities: uhci bus_master
             configuration: driver=uhci_hcd latency=0
             resources: irq:18 ioport:d480(size=32)
           *-usbhost
                product: UHCI Host Controller
                vendor: Linux 4.8.0-34-generic uhci_hcd
                physical id: 1
                bus info: usb@4
                logical name: usb4
                version: 4.08
                capabilities: usb-1.10
                configuration: driver=hub slots=2 speed=12Mbit/s
        *-usb:3
             description: USB controller
             product: NM10/ICH7 Family USB UHCI Controller #4
             vendor: Intel Corporation
             physical id: 1d.3
             bus info: pci@0000:00:1d.3
             version: 01
             width: 32 bits
             clock: 33MHz
             capabilities: uhci bus_master
             configuration: driver=uhci_hcd latency=0
             resources: irq:16 ioport:d400(size=32)
           *-usbhost
                product: UHCI Host Controller
                vendor: Linux 4.8.0-34-generic uhci_hcd
                physical id: 1
                bus info: usb@5
                logical name: usb5
                version: 4.08
                capabilities: usb-1.10
                configuration: driver=hub slots=2 speed=12Mbit/s
        *-usb:4
             description: USB controller
             product: NM10/ICH7 Family USB2 EHCI Controller
             vendor: Intel Corporation
             physical id: 1d.7
             bus info: pci@0000:00:1d.7
             version: 01
             width: 32 bits
             clock: 33MHz
             capabilities: pm debug ehci bus_master cap_list
             configuration: driver=ehci-pci latency=0
             resources: irq:23 memory:fea3bc00-fea3bfff
           *-usbhost
                product: EHCI Host Controller
                vendor: Linux 4.8.0-34-generic ehci_hcd
                physical id: 1
                bus info: usb@1
                logical name: usb1
                version: 4.08
                capabilities: usb-2.00
                configuration: driver=hub slots=8 speed=480Mbit/s
        *-pci:1
             description: PCI bridge
             product: 82801 PCI Bridge
             vendor: Intel Corporation
             physical id: 1e
             bus info: pci@0000:00:1e.0
             version: e1
             width: 32 bits
             clock: 33MHz
             capabilities: pci subtractive_decode bus_master cap_list
        *-multimedia
             description: Multimedia audio controller
             product: 82801G (ICH7 Family) AC'97 Audio Controller
             vendor: Intel Corporation
             physical id: 1e.2
             bus info: pci@0000:00:1e.2
             version: 01
             width: 32 bits
             clock: 33MHz
             capabilities: pm bus_master cap_list
             configuration: driver=snd_intel8x0 latency=0
             resources: irq:17 ioport:d000(size=256) ioport:cc00(size=64) memory:fea3b800-fea3b9ff memory:fea3b400-fea3b4ff
        *-isa
             description: ISA bridge
             product: 82801GB/GR (ICH7 Family) LPC Interface Bridge
             vendor: Intel Corporation
             physical id: 1f
             bus info: pci@0000:00:1f.0
             version: 01
             width: 32 bits
             clock: 33MHz
             capabilities: isa bus_master cap_list
             configuration: driver=lpc_ich latency=0
             resources: irq:0
        *-ide
             description: IDE interface
             product: NM10/ICH7 Family SATA Controller [IDE mode]
             vendor: Intel Corporation
             physical id: 1f.2
             bus info: pci@0000:00:1f.2
             version: 01
             width: 32 bits
             clock: 66MHz
             capabilities: ide pm bus_master cap_list
             configuration: driver=ata_piix latency=0
             resources: irq:19 ioport:1f0(size=8) ioport:3f6 ioport:170(size=8) ioport:376 ioport:ffa0(size=16)
        *-serial UNCLAIMED
             description: SMBus
             product: NM10/ICH7 Family SMBus Controller
             vendor: Intel Corporation
             physical id: 1f.3
             bus info: pci@0000:00:1f.3
             version: 01
             width: 32 bits
             clock: 33MHz
             configuration: latency=0
             resources: ioport:400(size=32)
     *-scsi
          physical id: 2
          logical name: scsi1
          capabilities: emulated
        *-disk
             description: ATA Disk
             product: SAMSUNG SV2042H
             physical id: 0.0.0
             bus info: scsi@1:0.0.0
             logical name: /dev/sda
             version: 0-19
             serial: 0273J1DR816950
             size: 19GiB (20GB)
             capabilities: partitioned partitioned:dos
             configuration: ansiversion=5 logicalsectorsize=512 sectorsize=512 signature=86e33ede
           *-volume:0
                description: EXT4 volume
                vendor: Linux
                physical id: 1
                bus info: scsi@1:0.0.0,1
                logical name: /dev/sda1
                logical name: /
                version: 1.0
                serial: f3c02479-660b-4646-867f-4bf9f865758e
                size: 16GiB
                capacity: 16GiB
                capabilities: primary bootable journaled extended_attributes large_files huge_files dir_nlink extents ext4 ext2 initialized
                configuration: created=2016-07-19 21:20:40 filesystem=ext4 lastmountpoint=/ modified=2017-01-10 20:04:00 mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,data=ordered mounted=2017-01-10 19:54:06 state=mounted
           *-volume:1
                description: Extended partition
                physical id: 2
                bus info: scsi@1:0.0.0,2
                logical name: /dev/sda2
                size: 3062MiB
                capacity: 3062MiB
                capabilities: primary extended partitioned partitioned:extended
              *-logicalvolume
                   description: Linux swap volume
                   physical id: 5
                   logical name: /dev/sda5
                   version: 1
                   serial: ae37e31d-e74f-4fa2-8e65-e3b1b848bc86
                   size: 3062MiB
                   capacity: 3062MiB
                   capabilities: nofs swap initialized
                   configuration: filesystem=swap pagesize=4096

whats the o/p of lsb_release -a?

No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.10
Release: 16.10
Codename: yakkety

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