Window preview in taskbar wont open

Cronnix

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Little, yet annoying problem.. I often find that the window preview wont open up when I mouse over various applications in windows 7. Anyone knows what may cause it?

The weird thing is that it does work most the time, yet not always..
 

My Computer

OS
Windows 7 64bit
CPU
i5 750 @2.67 Ghz
Motherboard
Asus P7P55D
Memory
2x2gb dual channel crossair
Graphics Card(s)
Nvidia GTX 260
PSU
630W
Little, yet annoying problem.. I often find that the window preview wont open up when I mouse over various applications in windows 7. Anyone knows what may cause it?

The weird thing is that it does work most the time, yet not always..

Hi and weclome

what apps to preview? what are their position on the taskbar?

ken J
 

My Computer

Computer Manufacturer/Model Number
HP Pavillion dv-7 1005 Tx
OS
Win 8 Release candidate 8400
CPU
[email protected]
Memory
4 gigs
Graphics Card(s)
Nvidia 9600M
Sound Card
HD built-in
Monitor(s) Displays
17" Wxga
Screen Resolution
1440x900
Cooling
none
Internet Speed
45Mb down 5Mb up
Hi and weclome

what apps to preview? what are their position on the taskbar?

ken J


Thank you for the welcome, here are the apps in order they are in taskbar:

Firefox (pinned)- Notepad (pinned)- Folders- Windows media player(playing a song)- Windows messenger- Skype (2 windows)- uTorrent.

Windows media player should be showing up as a miniplayer when you mouse over it, yet it doesn't as of the moment I am writing it, neither does skype shows it's 2 windows. weird thing is that sometimes it works as it should, sometimes doesn't work at all.

Also I should add that this problem applies to all apps, one time they all work, other minute none of them does.
 

My Computer

OS
Windows 7 64bit
CPU
i5 750 @2.67 Ghz
Motherboard
Asus P7P55D
Memory
2x2gb dual channel crossair
Graphics Card(s)
Nvidia GTX 260
PSU
630W
Have you made any sort of modifications to your system? Are you perchance playing a game that is disabling Aero, or else running some app that is disabling Aero?
 

My Computers

System One System Two

  • Computer type
    PC/Desktop
    Computer Manufacturer/Model Number
    The Beast Model A (homebrew)
    OS
    Windows 11 21H2 Current build
    CPU
    AMD Ryzen 9 3950X
    Motherboard
    MSI MEG X570 GODLIKE
    Memory
    4 * 32 GB - Corsair Vengeance 3600 MHz
    Graphics Card(s)
    EVGA GeForce RTX 3080 Ti XC3 ULTRA GAMING (12G-P5-3955-KR)
    Sound Card
    Realtek® ALC1220 Codec
    Monitor(s) Displays
    2x Eve Spectrum ES07D03 4K Gaming Monitor (Matte) | Eve Spec
    Screen Resolution
    3x 3840 x 2160
    Hard Drives
    3x Samsung 980 Pro NVMe PCIe 4 M.2 2 TB SSD (MZ-V8P2T0B/AM) } 3x Sabrent Rocket NVMe 4.0 1 TB SSD
    PSU
    PC Power & Cooling’s Silencer Series 1050 Watt, 80 Plus Plat
    Case
    Fractal Design Define 7 XL Dark ATX Full Tower Case
    Cooling
    SteelSeries Apex Pro Wired Gaming Keyboard
    Keyboard
    SteelSeries Apex Pro
    Mouse
    Logitech MX Master 3S | MX Master 3 for business
    Internet Speed
    AT&T LightSpeed Gigabit Duplex Ftth
    Antivirus
    Windows Defender + MB 3
    Browser
    Nightly (default) + Firefox (stable),Chrome, Edge
  • Computer type
    PC/Desktop
    System Manufacturer/Model Number
    Dell Latitude E5470
    OS
    ChromeOS Flex Dev Channel (current)
    CPU
    Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz, 2501 Mhz, 2 Core(s), 4 Logical Processor(s)
    Motherboard
    Dell
    Memory
    16 GB
    Graphics Card(s)
    Intel(R) HD Graphics 520
    Sound Card
    Intel(R) HD Graphics 520 + RealTek Audio
    Monitor(s) Displays
    Dell laptop display 15"
    Screen Resolution
    1920 * 1080
    Hard Drives
    Toshiba 128GB M.2 22300 drive
    INTEL Cherryville 520 Series SSDSC2CW180A 180 GB SATA III SSD
    PSU
    Dell
    Case
    Dell
    Cooling
    Dell
    Keyboard
    Dell
    Mouse
    Logitech MX Master 3S (shared w. Sys 1) | Dell TouchPad
    Internet Speed
    AT&T LightSpeed Gigabit Duplex Ftth
Have you made any sort of modifications to your system? Are you perchance playing a game that is disabling Aero, or else running some app that is disabling Aero?

I have not made any modifications what I am aware of, except for trying to get DreamScene to get working, but I removed any traces of that, and aero is still working for me even thou the preview doesn't. The working / not working state triggers to often o think it is caused by some application I think.
 

My Computer

OS
Windows 7 64bit
CPU
i5 750 @2.67 Ghz
Motherboard
Asus P7P55D
Memory
2x2gb dual channel crossair
Graphics Card(s)
Nvidia GTX 260
PSU
630W
Hello all, I have this exact issue. Sometimes the taskbar preview just doesn't work and instead only the small yellow dialog box comes over when I hove telling me what the program is. Any solution?
 

My Computer

Computer Manufacturer/Model Number
VOYAGER (NCC-74656)
OS
Windows 7 Ultimate
CPU
Intel Core i5
Motherboard
Asus P55D-M
Memory
4 GB G.SKILL NQ Series DDR3 1333MHz
Graphics Card(s)
Sapphire Radeon 4890 1 GB (New Edition)
Hard Drives
1.5 TB Western Digital
PSU
Antec Earthwatts 650W
Case
Antec 300
Hello smood,

Does this happen when you bring your computer out of sleep?
 

My Computer

Computer Manufacturer/Model Number
Custom
OS
Windows 7 Professional x64
CPU
Intel i7 2600K OC'd @ 4620 MHz
Motherboard
Asus P8Z68-V Pro
Memory
16GB GSkill Sniper 2133 Mhz (4x4GB)
Graphics Card(s)
EVGA GeForce GTX 480 SuperClocked+
Sound Card
Realtek High Definition Audio
Monitor(s) Displays
2x Acer S273HLbmii 27"
Screen Resolution
2 x 1920x1080
Hard Drives
64GB Crucial M4 SSD

Storage: Hitachi 1TB 5400RPM, Samsung 1.5TB 5400RPM
PSU
Corsair HW Series 750w (modular)
Case
Cooler Master HAF 932 Advanced Blue Edition
Cooling
CM Hyper 212+ CPU cooler, 3x 230mm + 1x 140mm case fans
Keyboard
Logitech MK320 (wireless)
Mouse
Logitech MK320 (wireless)
Internet Speed
30 Mb/s : 2 Mb/s
No just when I'm using my system (its a desktop so I don't really put it in sleep), but I do often put the system in hibernate instead of shutting down.

Also restarting fixes the issue but theres no telling when it will crop up again. My theory is that it might be some program I'm running thats interfering with aero. Since on another win7 machine the same program messes up aero totally (disables it when run) while on my desktop win7 it retains aero. However when I start the program the issue doesn't come up immediately, it often takes sometime before the taskbar preview is gone so I am not sure.
 

My Computer

Computer Manufacturer/Model Number
VOYAGER (NCC-74656)
OS
Windows 7 Ultimate
CPU
Intel Core i5
Motherboard
Asus P55D-M
Memory
4 GB G.SKILL NQ Series DDR3 1333MHz
Graphics Card(s)
Sapphire Radeon 4890 1 GB (New Edition)
Hard Drives
1.5 TB Western Digital
PSU
Antec Earthwatts 650W
Case
Antec 300

My Computer

Computer Manufacturer/Model Number
HP Pavilion dm3 (netbook) *** 27" iMac (Dual-Boot)
OS
Windows 7 Home Premium (64-bit) *** Windows XP SP3 (32-bit), OSX 10.6
CPU
AMD Athlon Neo X2 1.6GHz *** Intel Core i7 Quad Core 2.8GHz
Memory
4.00 GB *** 4.00 GB
Graphics Card(s)
ATI Radeon HD 3200, 384MB *** ATI Radeon HD 4850, 1GB
Sound Card
ATI High Definition Audio *** ATI High Definition Audio
Monitor(s) Displays
LG Flatron W2053TX
Screen Resolution
1600 x 900 (monitor), 1266 x 768 (laptop) *** 2560 x 1440
Hard Drives
300 GB SATA (internal), 500 GB HP SimpleSave (external) *** 1 TB SATA (internal), 160 GB LaCie (external)
Mouse
Logitech Cordless Optical Mouse for Notebooks
Internet Speed
Broadband
Did anyone discovere anything new about this problem? Not for this specific reason but I formatted my laptop and I still keep getting the same behavior. I did not have this with 32-Bit version of Windows 7. I am using the same programs as I used in 32-Bit. All the drivers are up-to-date and all the programs are 100% compatible with Aero. It is very interesting :confused:
 

My Computer

Computer Manufacturer/Model Number
ACER TravelMate 5720
OS
Windows 7 (32-Bits)
CPU
Intel Centrino Core 2 Duo T5670
Memory
3 GB
Graphics Card(s)
Mobile Intel 965 Express Chipset Family
Screen Resolution
1280x800
Hard Drives
250 GB
Mouse
A4 Tech
Internet Speed
1024 K/Bit
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