Serious video related display lock up problem
I have a serious issue when playing any video (youtube, DVD, video chat, etc.). The whole computer locks up and the video on the screen freaks out. When I say freaks out I mean it scrambles and flashes and the sound starts looping on what it playing at the time of the malfunction. Video will work for a few seconds to a few minutes before this happens. The only cure is to restart the computer because all functions are locked. This ONLY happens during video playback.
My aluminum unibody macbook 2.0 is only a few weeks old. Any help is appreciated.
Hi Simon,
I am an ACMT and the issue you have described sounds remarkably like an issue I am dealing with at the moment. Playing a DVD intermittently causes the display to become scrambled and the sound does exactly as you have suggested. I have spoken to another ACMT (Apple Certified Macintosh Technician) who also had this issue. A replacement LCD and Logic Board did not fix the issue. I am currently testing my machine with some known good ram. The GPU accesses the main ram in order to draw the image. If the ram is faulty, it could lead to exactly what you have experienced. I will let you know how I go. So far the machine has successfully navigated 3 sittings of the same DVD without issue. Stay posted.
Regards,
Ben.
Message was edited by: redeemed098
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Intel(R) Pentium(R) 4 CPU 2.80GHz 2.8 GHz
Manufacturer Intel
Family Intel(R) Pentium(R) 4 CPU 2.80GHz
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Internal Clock Maximum 4.0 GHz
External Clock 200.0 MHz
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Long Version 4.09.00.0901
Display Device 1/1
RADEON 9700 PRO Driver 6.14.10.6343
Description RADEON 9700 PRO
Manufacturer ATI Technologies Inc.
Total Local Video Memory 128 MB
Total Local Texture Memory 128 MB
Total AGP Memory 0 B
Driver File ati2dvag.dll
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Driver WHQL Certified true
Max Texture Width 2048 px
Max Texture Height 2048 px
Max User Clipping Planes 6
Max Active Hardware Lights 8
Max Texture Blending Stages 8
Fixed Function Textures In Single Pass 8
Vertex Shader Version 2.0
Pixel Shader Version 2.0
Max Vertex Blend Matrices 37
Max Texture Coordinates 8
VGA Memory Clock 310.5 MHz
VGA Core Clock 324.0 MHz
PCI
Name RADEON 9700 PRO
Vendor ID 0x1002
Device ID 0x4e44
SubSystem ID 0x00021002
Revision ID 0x00
Memory Array 1/1
Max Module Capacity 1.00 GB
Supported Speeds
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Supported Voltages 3.3V
Memory Slot 1/4
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Frequency 0.0 Hz
Slot DIMM1
Type Details DIMM, SDRAM
Enabled Size 512 MB
Total Bit Width 0 b
Data Bit Width 0 b
Memory Slot 2/4
Installed Enabled Size 0 B
Frequency 0.0 Hz
Slot DIMM2
Type Details
Enabled Size 0 B
Total Bit Width 0 b
Data Bit Width 0 b
Memory Slot 3/4
Installed Enabled Size 512 MB
Frequency 0.0 Hz
Slot DIMM3
Type Details DIMM, SDRAM
Enabled Size 512 MB
Total Bit Width 0 b
Data Bit Width 0 b
Memory Slot 4/4
Installed Enabled Size 0 B
Frequency 0.0 Hz
Slot DMII4
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Enabled Size 0 B
Total Bit Width 0 b
Data Bit Width 0 b
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Model MS-6728
Version 100
BIOS Vendor American Megatrends Inc.
BIOS Version V1.2
BIOS Release Date 05/28/2003
BIOS Properties Plug and Play, Flash, AGP
AGP
Revision 3.0
Rate 4x, 8x (8x enabled)
Available Rate 0x0000000c
Selected Rate 0x00000008
Aperture Size 32 MB
Sideband Addressing supported (enabled)
Fast Write supported (disabled)
Slot 2/6 (PCI)
Creative Audigy Audio Processor (WDM)
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Designation PCI2
Type PCI
Characteristics 3.3V, Shared, PME Signal
Data Bus Width 32 b
Details In Use, Long
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Manufacturer Creative Technology, Ltd.
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Driver Version 5.12.1.253
Driver Date 8-12-2002
IRQ 17
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Texas Instruments OHCI Compliant IEEE 1394 Host Controller
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Type PCI
Characteristics 3.3V, Shared, PME Signal
Data Bus Width 32 b
Details In Use, Long
Device Class 1394 BUS Controller
Manufacturer Texas Instruments
Driver Version 5.1.2535.0
Driver Date 7-1-2001
IRQ 17
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Name Intel(R) 82801EB PCI Bridge - 244E
Manufacturer Intel
Name Intel(R) 82801EB LPC Interface Controller - 24D0
Manufacturer Intel
Name Intel(R) 82801EB SMBus Controller - 24D3
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Name Intel(R) 82865GPEP Processor to I/O Controller - 2570
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Name Intel(R) 82865GPEP Processor to AGP Controller - 2571
Manufacturer Intel
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Name Plug and Play Monitor
Manufacturer (Standard monitor types)
Max Width 1600 px
Max Height 1200 px
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Operating System Microsoft Windows XP
Version 5.1.2600
Service Pack Service Pack 1
Locale US
Desktop Width 1280 px
Desktop Height 1024 px
Desktop BPP 32 b -
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