It's also possible there's no problem with the keyboard hardware and you just have the "Sticky Keys" feature turned on by accident. To turn that off you will need to follow the instructions mentioned above, or shown in the attached pictured.
** Attachment added: "sticky.jpg" https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1883718/+attachment/5385173/+files/sticky.jpg -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to chromium-browser in Ubuntu. https://bugs.launchpad.net/bugs/1883718 Title: zoom in/out problem Status in chromium-browser package in Ubuntu: Invalid Bug description: zoom in/out problem ,mouse scroll not work ,i seen all type of application same problem like chromium,fireffox,files all software same kind of problem ,please solve it .also send a video . ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: xorg 1:7.7+19ubuntu7.1 ProcVersionSignature: Ubuntu 5.3.0-59.53~18.04.1-generic 5.3.18 Uname: Linux 5.3.0-59-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.15 Architecture: amd64 CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Tue Jun 16 19:58:59 2020 DistUpgraded: Fresh install DistroCodename: bionic DistroVariant: ubuntu ExtraDebuggingInterest: No GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Raven Ridge [Radeon Vega Series / Radeon Vega Mobile Series] [1002:15dd] (rev c8) (prog-if 00 [VGA controller]) Subsystem: Gigabyte Technology Co., Ltd Radeon RX Vega 11 [1458:d000] MachineType: Gigabyte Technology Co., Ltd. A320M-S2H ProcEnviron: LANGUAGE=en_IN:en PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_IN SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-59-generic root=UUID=38903ee5-fb7c-4faa-ac0c-0a499b16e531 ro quiet splash nomodeset vt.handoff=1 SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/08/2018 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F23 dmi.board.asset.tag: Default string dmi.board.name: A320M-S2H-CF dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF23:bd08/08/2018:svnGigabyteTechnologyCo.,Ltd.:pnA320M-S2H:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnA320M-S2H-CF:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.family: Default string dmi.product.name: A320M-S2H dmi.product.sku: Default string dmi.product.version: Default string dmi.sys.vendor: Gigabyte Technology Co., Ltd. version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.99-1ubuntu1~18.04.2 version.libgl1-mesa-dri: libgl1-mesa-dri 19.2.8-0ubuntu0~18.04.3 version.libgl1-mesa-glx: libgl1-mesa-glx 19.2.8-0ubuntu0~18.04.3 version.xserver-xorg-core: xserver-xorg-core N/A version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1883718/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

