Having problems with graphics card in windows 7 help

Unfortunately, you may never know for sure until you start replacing them ... the process of elimination is a harsh teacher ...
 

My Computer My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
LENOVO K450 @3.0GHZ
OS
64-bit Windows 8.1 Pro
CPU
Core(TM) i5 CPU 4330 Haswell @ 3.20GHz
Motherboard
LENOVO
Memory
12.00 GB
Graphics Card(s)
Intel(R) HD Graphics
Sound Card
Intel HD integtrated
Monitor(s) Displays
HP 25' ISP Monitor
Screen Resolution
1900/1020
Hard Drives
(1) ST1000DM003-1CH162 (2) Generic STORAGE DEVICE USB Device (3) Generic STORAGE DEVICE USB Device
Internet Speed
100mb down/10mb up
Ok here is an obvious question you have plugged in the 6 pin power connector to your card right?
 

My Computer My Computer

Computer Manufacturer/Model Number
Self Built
OS
Windows 7 ultimate 64 bit / XP Home sp3
CPU
intel Core 2 Duo E8400 3.0ghz
Motherboard
Asus P5ND bios 1401
Memory
8 gigs 1066 OCZ Fata1ty
Graphics Card(s)
EVGA GTX 580 Call of Duty Black Ops Edition
Sound Card
Creative Soundblaster Audigy 2zs
Monitor(s) Displays
Asus 24in LCD's 2MS X2
Screen Resolution
1920x1080p @60Hz
Hard Drives
WD Caviar 500 Black/ WD Caviar 200 Blue
PSU
OCZ 700W GameXtreme
Case
NZXT Apollo
Cooling
Corsair H50 CPU/120mm x3 /60mm x2 /Corsair Dominator Ram
Keyboard
Logitech Bluetooth Wireless MX5000
Mouse
Logitech Bluetooth Wireless MX1000
Internet Speed
Download 19.83 Upload 0.97
Other Info
Logitech Z2300 Speakers/ Bose Noise Cancelling Headphones/Avermedia PCI-e Hybrid TV Bravo/Epson NX415 all in one/ 4 Port Powered USB Hub/ LG 10x Bluray Burner /TSST Corp DVDRW External
yes i have plugged it in and yes replacing is a harsh lesson indeed
 

My Computer My Computer

OS
windows 7
CPU
3.2ghz dual core
Motherboard
p5n32-sli premium
Memory
2gb
Graphics Card(s)
gigabyte Geforce 9800gtx+
Sound Card
n/a
Monitor(s) Displays
1600x1080
Hard Drives
c-1tb
d-250gb
e-250gb
f-250gb
Case
thermaltake
I read somwhere that a high pitched sqeel is inherint in a bad capasitor or a leaking one. Colud be wrong wouldn't be the first time.
 

My Computer My Computer

Computer Manufacturer/Model Number
Self Built
OS
Windows 7 ultimate 64 bit / XP Home sp3
CPU
intel Core 2 Duo E8400 3.0ghz
Motherboard
Asus P5ND bios 1401
Memory
8 gigs 1066 OCZ Fata1ty
Graphics Card(s)
EVGA GTX 580 Call of Duty Black Ops Edition
Sound Card
Creative Soundblaster Audigy 2zs
Monitor(s) Displays
Asus 24in LCD's 2MS X2
Screen Resolution
1920x1080p @60Hz
Hard Drives
WD Caviar 500 Black/ WD Caviar 200 Blue
PSU
OCZ 700W GameXtreme
Case
NZXT Apollo
Cooling
Corsair H50 CPU/120mm x3 /60mm x2 /Corsair Dominator Ram
Keyboard
Logitech Bluetooth Wireless MX5000
Mouse
Logitech Bluetooth Wireless MX1000
Internet Speed
Download 19.83 Upload 0.97
Other Info
Logitech Z2300 Speakers/ Bose Noise Cancelling Headphones/Avermedia PCI-e Hybrid TV Bravo/Epson NX415 all in one/ 4 Port Powered USB Hub/ LG 10x Bluray Burner /TSST Corp DVDRW External
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