I daily work on my computer which is running on debian. In this last period of time the computer began to be pretty slow. Usually i use a web browser, either Chrome or Opera, an editor (atom) and a terminal. I suspect something is wrong with the hardware but I really have no clues. How can i figure it out? this is my lshw outputdebian                          description: Desktop Computer    product: To Be Filled By O.E.M. (To Be Filled By O.E.M.)    vendor: To Be Filled By O.E.M.    version: To Be Filled By O.E.M.    serial: To Be Filled By O.E.M.    width: 64 bits    capabilities: smbios-2.7 dmi-2.7 smp vsyscall32    configuration: boot=normal chassis=desktop family=To Be Filled By O.E.M. sku=To Be Filled By O.E.M. uuid=00020003-0004-0005-0006-000700080009  *-core       description: Motherboard       product: H61M-GS       vendor: ASRock       physical id: 0     *-firmware          description: BIOS          vendor: American Megatrends Inc.          physical id: 0          version: P1.20          date: 06/21/2011          size: 64KiB          capacity: 4032KiB          capabilities: pci upgrade shadowing cdboot bootselect socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer acpi usb biosbootspecification uefi     *-cache:0          description: L1 cache          physical id: 4          size: 256KiB          capacity: 256KiB          capabilities: internal varies          configuration: level=1     *-cache:1          description: L2 cache          physical id: 5          size: 1MiB          capacity: 1MiB          capabilities: internal varies unified          configuration: level=2     *-cache:2          description: L3 cache          physical id: 6          size: 6MiB          capacity: 6MiB          capabilities: internal varies unified          configuration: level=3     *-memory          description: System Memory          physical id: c          slot: System board or motherboard          size: 8GiB        *-bank:0             description: DIMM DDR3 Synchronous 1067 MHz (0,9 ns)             product: CMX8GX3M2A1333C9             vendor: Corsair             physical id: 0             serial: 00000000             slot: A1_DIMM0             size: 4GiB             width: 64 bits             clock: 1067MHz (0.9ns)        *-bank:1             description: DIMM DDR3 Synchronous 1067 MHz (0,9 ns)             product: CMX8GX3M2A1333C9             vendor: Corsair             physical id: 1             serial: 00000000             slot: A1_DIMM1             size: 4GiB             width: 64 bits             clock: 1067MHz (0.9ns)     *-cpu          description: CPU          product: Intel(R) Core(TM) i5-2500 CPU @ 3.30GHz          vendor: Intel Corp.          physical id: 16          bus info: cpu@0          version: Intel(R) Core(TM) i5-2500 CPU @ 3.30GHz          slot: CPUSocket          size: 1657MHz          capacity: 3800MHz          width: 64 bits          clock: 100MHz          capabilities: x86-64 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 syscall nx rdtscp constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx lahf_lm epb tpr_shadow vnmi flexpriority ept vpid xsaveopt dtherm ida arat pln pts cpufreq          configuration: cores=4 enabledcores=4 threads=4     *-pci          description: Host bridge          product: 2nd Generation Core Processor Family DRAM Controller          vendor: Intel Corporation          physical id: 100          bus info: pci@0000:00:00.0          version: 09          width: 32 bits          clock: 33MHz          configuration: driver=snb_uncore          resources: irq:0        *-pci:0             description: PCI bridge             product: Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port             vendor: Intel Corporation             physical id: 1             bus info: pci@0000:00:01.0             version: 09             width: 32 bits             clock: 33MHz             capabilities: pci pm msi pciexpress normal_decode bus_master cap_list             configuration: driver=pcieport             resources: irq:24 ioport:e000(size=4096) memory:f8000000-fa0fffff ioport:d0000000(size=201326592)           *-display                description: VGA compatible controller                product: GF114 [GeForce GTX 560]                vendor: NVIDIA Corporation                physical id: 0                bus info: pci@0000:01:00.0                version: a1                width: 64 bits                clock: 33MHz                capabilities: pm msi pciexpress vga_controller bus_master cap_list rom                configuration: driver=nouveau latency=0                resources: irq:31 memory:f8000000-f9ffffff memory:d0000000-d7ffffff memory:d8000000-dbffffff ioport:e000(size=128) memory:c0000-dffff           *-multimedia                description: Audio device                product: GF114 HDMI Audio Controller                vendor: NVIDIA Corporation                physical id: 0.1                bus info: pci@0000:01:00.1                version: a1                width: 32 bits                clock: 33MHz                capabilities: pm msi pciexpress bus_master cap_list                configuration: driver=snd_hda_intel latency=0                resources: irq:17 memory:fa080000-fa083fff        *-communication             description: Communication controller             product: 6 Series/C200 Series Chipset Family MEI Controller #1             vendor: Intel Corporation             physical id: 16             bus info: pci@0000:00:16.0             version: 04             width: 64 bits             clock: 33MHz             capabilities: pm msi bus_master cap_list             configuration: driver=mei_me latency=0             resources: irq:29 memory:fa307000-fa30700f        *-usb:0             description: USB controller             product: 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2             vendor: Intel Corporation             physical id: 1a             bus info: pci@0000:00:1a.0             version: 05             width: 32 bits             clock: 33MHz             capabilities: pm debug ehci bus_master cap_list             configuration: driver=ehci-pci latency=0             resources: irq:16 memory:fa306000-fa3063ff           *-usbhost                product: EHCI Host Controller                vendor: Linux 4.9.0-3-amd64 ehci_hcd                physical id: 1                bus info: usb@1                logical name: usb1                version: 4.09                capabilities: usb-2.00                configuration: driver=hub slots=2 speed=480Mbit/s              *-usb                   description: USB hub                   product: Integrated Rate Matching Hub                   vendor: Intel Corp.                   physical id: 1                   bus info: usb@1:1                   version: 0.00                   capabilities: usb-2.00                   configuration: driver=hub slots=4 speed=480Mbit/s                 *-usb:0                      description: Keyboard                      product: USB Receiver                      vendor: Logitech                      physical id: 3                      bus info: usb@1:1.3                      version: 12.04                      capabilities: usb-2.00                      configuration: driver=usbhid maxpower=98mA speed=12Mbit/s                 *-usb:1                      description: Audio device                      product: Jabra SPEAK 510 USB                      vendor: GN Netcom                      physical id: 4                      bus info: usb@1:1.4                      version: 2.10                      serial: 501AA5550366020A00                      capabilities: usb-2.00 audio-control                      configuration: driver=usbhid maxpower=500mA speed=12Mbit/s        *-multimedia             description: Audio device             product: 6 Series/C200 Series Chipset Family High Definition Audio Controller             vendor: Intel Corporation             physical id: 1b             bus info: pci@0000:00:1b.0             version: 05             width: 64 bits             clock: 33MHz             capabilities: pm msi pciexpress bus_master cap_list             configuration: driver=snd_hda_intel latency=0             resources: irq:30 memory:fa300000-fa303fff        *-pci:1             description: PCI bridge             product: 6 Series/C200 Series Chipset Family PCI Express Root Port 1             vendor: Intel Corporation             physical id: 1c             bus info: pci@0000:00:1c.0             version: b5             width: 32 bits             clock: 33MHz             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list             configuration: driver=pcieport             resources: irq:25        *-pci:2             description: PCI bridge             product: 6 Series/C200 Series Chipset Family PCI Express Root Port 2             vendor: Intel Corporation             physical id: 1c.1             bus info: pci@0000:00:1c.1             version: b5             width: 32 bits             clock: 33MHz             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list             configuration: driver=pcieport             resources: irq:26 ioport:d000(size=4096) memory:fa200000-fa2fffff ioport:dc100000(size=1048576)           *-network                description: Ethernet interface                product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller                vendor: Realtek Semiconductor Co., Ltd.                physical id: 0                bus info: pci@0000:03:00.0                logical name: enp3s0                version: 06                serial: e8:de:27:00:de:e2                size: 10Mbit/s                capacity: 1Gbit/s                width: 64 bits                clock: 33MHz                capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation                configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half latency=0 link=no multicast=yes port=MII speed=10Mbit/s                resources: irq:28 ioport:d000(size=256) memory:fa200000-fa200fff memory:dc100000-dc103fff        *-pci:3             description: PCI bridge             product: 6 Series/C200 Series Chipset Family PCI Express Root Port 3             vendor: Intel Corporation             physical id: 1c.2             bus info: pci@0000:00:1c.2             version: b5             width: 32 bits             clock: 33MHz             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list             configuration: driver=pcieport             resources: irq:27 ioport:c000(size=4096) memory:fa100000-fa1fffff           *-network                description: Ethernet interface                product: AR8151 v2.0 Gigabit Ethernet                vendor: Qualcomm Atheros                physical id: 0                bus info: pci@0000:04:00.0                logical name: enp4s0                version: c0                serial: 00:25:22:d6:ba:a1                size: 100Mbit/s                capacity: 1Gbit/s                width: 64 bits                clock: 33MHz                capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation                configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.1.1-NAPI duplex=full ip=192.168.1.9 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s                resources: irq:32 memory:fa100000-fa13ffff ioport:c000(size=128)        *-usb:1             description: USB controller             product: 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1             vendor: Intel Corporation             physical id: 1d             bus info: pci@0000:00:1d.0             version: 05             width: 32 bits             clock: 33MHz             capabilities: pm debug ehci bus_master cap_list             configuration: driver=ehci-pci latency=0             resources: irq:23 memory:fa305000-fa3053ff           *-usbhost                product: EHCI Host Controller                vendor: Linux 4.9.0-3-amd64 ehci_hcd                physical id: 1                bus info: usb@2                logical name: usb2                version: 4.09                capabilities: usb-2.00                configuration: driver=hub slots=2 speed=480Mbit/s              *-usb                   description: USB hub                   product: Integrated Rate Matching Hub                   vendor: Intel Corp.                   physical id: 1                   bus info: usb@2:1                   version: 0.00                   capabilities: usb-2.00                   configuration: driver=hub slots=6 speed=480Mbit/s                 *-usb:0                      description: USB hub                      product: USB 2.0 Hub                      vendor: Terminus Technology Inc.                      physical id: 4                      bus info: usb@2:1.4                      version: 1.11                      capabilities: usb-2.00                      configuration: driver=hub maxpower=100mA slots=4 speed=480Mbit/s                    *-usb                         description: Mass storage device                         product: Mass Storage                         vendor: Generic                         physical id: 3                         bus info: usb@2:1.4.3                         logical name: scsi4                         version: 1.02                         serial: A0C2F9AC                         capabilities: usb-2.00 scsi emulated                         configuration: driver=usb-storage maxpower=200mA speed=480Mbit/s                       *-disk                            description: SCSI Disk                            product: Flash Disk                            vendor: Generic                            physical id: 0.0.0                            bus info: scsi@4:0.0.0                            logical name: /dev/sdd                            version: 8.07                            serial: A                            size: 1912MiB (2004MB)                            capabilities: removable                            configuration: ansiversion=4 logicalsectorsize=512 sectorsize=512                          *-medium                               physical id: 0                               logical name: /dev/sdd                               size: 1912MiB (2004MB)                               capabilities: partitioned partitioned:dos                               configuration: signature=8bafd155                             *-volume                                  description: Windows FAT volume                                  vendor: MSDOS5.0                                  physical id: 1                                  logical name: /dev/sdd1                                  logical name: /media/giovanni/0E17-AC39                                  version: FAT32                                  serial: 0e17-ac39                                  size: 1908MiB                                  capacity: 1910MiB                                  capabilities: primary fat initialized                                  configuration: FATs=2 filesystem=fat mount.fstype=vfat mount.options=rw,nosuid,nodev,relatime,uid=1000,gid=1000,fmask=0022,dmask=0022,codepage=437,iocharset=ascii,shortname=mixed,showexec,utf8,flush,errors=remount-ro state=mounted                 *-usb:1                      description: Mouse                      product: USB-PS/2 Optical Mouse                      vendor: Logitech                      physical id: 5                      bus info: usb@2:1.5                      version: 20.00                      capabilities: usb-2.00                      configuration: driver=usbhid maxpower=98mA speed=1Mbit/s                 *-usb:2                      description: Keyboard                      product: Coolermaster Novatouch TKL                      vendor: CM Storm                      physical id: 6                      bus info: usb@2:1.6                      version: 0.01                      capabilities: usb-2.00                      configuration: driver=usbhid maxpower=100mA speed=12Mbit/s        *-isa             description: ISA bridge             product: H61 Express Chipset Family LPC Controller             vendor: Intel Corporation             physical id: 1f             bus info: pci@0000:00:1f.0             version: 05             width: 32 bits             clock: 33MHz             capabilities: isa bus_master cap_list             configuration: driver=lpc_ich latency=0             resources: irq:0        *-ide:0             description: IDE interface             product: 6 Series/C200 Series Chipset Family 4 port SATA IDE Controller             vendor: Intel Corporation             physical id: 1f.2             bus info: pci@0000:00:1f.2             version: 05             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:f090(size=16) ioport:f080(size=16)        *-serial             description: SMBus             product: 6 Series/C200 Series Chipset Family SMBus Controller             vendor: Intel Corporation             physical id: 1f.3             bus info: pci@0000:00:1f.3             version: 05             width: 64 bits             clock: 33MHz             configuration: driver=i801_smbus latency=0             resources: irq:18 memory:fa304000-fa3040ff ioport:f000(size=32)        *-ide:1             description: IDE interface             product: 6 Series/C200 Series Chipset Family 2 port SATA IDE Controller             vendor: Intel Corporation             physical id: 1f.5             bus info: pci@0000:00:1f.5             version: 05             width: 32 bits             clock: 66MHz             capabilities: ide pm bus_master cap_list             configuration: driver=ata_piix latency=0             resources: irq:19 ioport:f070(size=8) ioport:f060(size=4) ioport:f050(size=8) ioport:f040(size=4) ioport:f030(size=16) ioport:f020(size=16)     *-scsi:0          physical id: 1          logical name: scsi1          capabilities: emulated        *-disk             description: ATA Disk             product: OCZ-VERTEX3             physical id: 0.0.0             bus info: scsi@1:0.0.0             logical name: /dev/sdc             version: 2.15             serial: OCZ-KCQP8A25NTY55298             size: 111GiB (120GB)             capabilities: partitioned partitioned:dos             configuration: ansiversion=5 logicalsectorsize=512 sectorsize=512 signature=55ea8566           *-volume:0                description: EXT4 volume                vendor: Linux                physical id: 1                bus info: scsi@1:0.0.0,1                logical name: /dev/sdc1                logical name: /                version: 1.0                serial: 60cfdb08-6083-4531-83b0-db57b07b010d                size: 103GiB                capacity: 103GiB                capabilities: primary bootable journaled extended_attributes large_files huge_files dir_nlink 64bit extents ext4 ext2 initialized                configuration: created=2017-06-22 22:50:21 filesystem=ext4 lastmountpoint=/ modified=2017-07-27 19:31:07 mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,data=ordered mounted=2017-07-23 20:44:48 state=mounted           *-volume:1                description: Extended partition                physical id: 2                bus info: scsi@1:0.0.0,2                logical name: /dev/sdc2                size: 8172MiB                capacity: 8172MiB                capabilities: primary extended partitioned partitioned:extended              *-logicalvolume                   description: Linux swap volume                   physical id: 5                   logical name: /dev/sdc5                   version: 1                   serial: 90aef283-c1a2-495e-99f6-6d82939a9992                   size: 8172MiB                   capacity: 8172MiB                   capabilities: nofs swap initialized                   configuration: filesystem=swap pagesize=4096     *-scsi:1          physical id: 2          logical name: scsi2          capabilities: emulated        *-disk             description: ATA Disk             product: WDC WD10EARS-00Y             vendor: Western Digital             physical id: 0.0.0             bus info: scsi@2:0.0.0             logical name: /dev/sda             version: 0A80             serial: WD-WCAV59925972             size: 931GiB (1TB)             capabilities: partitioned partitioned:dos             configuration: ansiversion=5 logicalsectorsize=512 sectorsize=512 signature=adf644a9           *-volume                description: Windows NTFS volume                physical id: 1                bus info: scsi@2:0.0.0,1                logical name: /dev/sda1                version: 3.1                serial: 02b7128e-282a-ad47-aa33-e324f94afe65                size: 931GiB                capacity: 931GiB                capabilities: primary ntfs initialized                configuration: clustersize=4096 created=2010-06-26 19:59:07 filesystem=ntfs label=Volume modified_by_chkdsk=true mounted_on_nt4=true resize_log_file=true state=dirty upgrade_on_mount=true     *-scsi:2          physical id: 3          logical name: scsi3          capabilities: emulated        *-disk             description: ATA Disk             product: MAXTOR STM332082             vendor: Maxtor             physical id: 0.0.0             bus info: scsi@3:0.0.0             logical name: /dev/sdb             version: E             serial: 9QF9WMAV             size: 298GiB (320GB)             capabilities: partitioned partitioned:dos             configuration: ansiversion=5 logicalsectorsize=512 sectorsize=512 signature=0002e29b           *-volume:0                description: Windows NTFS volume                physical id: 1                bus info: scsi@3:0.0.0,1                logical name: /dev/sdb1                version: 3.1                serial: 272564bb-0128-47aa-9923-4c3d7bfeab78                size: 294GiB                capacity: 294GiB                capabilities: primary ntfs initialized                configuration: clustersize=4096 created=2012-05-15 16:00:05 filesystem=ntfs modified_by_chkdsk=true mounted_on_nt4=true resize_log_file=true state=dirty upgrade_on_mount=true           *-volume:1                description: Extended partition                physical id: 3                bus info: scsi@3:0.0.0,3                logical name: /dev/sdb3                size: 4094MiB                capacity: 4094MiB                capabilities: primary extended partitioned partitioned:extended              *-logicalvolume                   description: Linux swap volume                   physical id: 5                   logical name: /dev/sdb5                   version: 1                   serial: 1d77a2cf-e67f-4d88-81da-94976ed47bbb                   size: 4094MiB                   capacity: 4094MiB                   capabilities: nofs swap initialized                   configuration: filesystem=swap pagesize=4096
test my debian machine's hardware
hardware