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My Lenovo B570 and Samsung LCD TV will no longer couple under normal operating circumstances.
- The laptop and TV used to connect well. The laptop screen would flash and auto-resize the resolution and then appear on my TV. Piece of cake.
- Over the last several weeks, I started having problems with the cloning process. Sometimes the TV would clone; sometimes it wouldn't. I'd unplug and reinsert the HDMI (in the laptop), and it would clone after a few tries. Sometimes I would restart the computer and that would sort out the problem. Recently, however, I simply cannot get the TV to clone the laptop. It just says "No Signal" after briefly searching for a signal.
- I attempted fixing the problem using multiple HDMI cables and different HDMI ports on my TV. When I plug in the HDMI cable into my computer, the TV says "Searching for Signals" for 10-15 seconds then switches to "No Signal". When the cable is unplugged, it says "Check Signal Cable". I also tried it with a different HDMI cable. Thus, I'm assuming the problem isn't with the cable.
- I restarted the computer in safe mode with the HDMI plugged in, and lo and behold, the cloning works. Thus, I'm assuming the problem isn't the HDMI port on either my laptop or TV.
- I restarted the computer normally, and the cloning works until the login screen. At that point, the TV switches to "No Signal".
- I attempted reinstalling the driver for the Intel HD graphics 3000. The cloning works immediately after the driver is installed, but upon reboot, the cloning doesn't work. Note that the laptop resolution doesn't auto-resize like it used to.
- I attempted reinstalling the drivers for the Intel chipset. That didn't work either.
Does anybody have some input that might help me resolve this problem?
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My dxDiag data are below:
------------------
System Information
------------------
Time of this report: 8/13/2013, 22:04:46
Machine name:
Operating System: Windows 7 Home Premium 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_gdr.130708-1532)
Language: English (Regional Setting: English)
System Manufacturer: LENOVO
System Model: 1068A2U
BIOS: Default System BIOS
Processor: Intel(R) Core(TM) i5-2410M CPU @ 2.30GHz (4 CPUs), ~2.3GHz
Memory: 4096MB RAM
Available OS Memory: 4010MB RAM
Page File: 1442MB used, 6575MB available
Windows Dir: C:\windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.01.7601.17514 32bit Unicode
------------
DxDiag Notes
------------
Display Tab 1: No problems found.
Sound Tab 1: No problems found.
Sound Tab 2: No problems found.
Input Tab: No problems found.
--------------------
DirectX Debug Levels
--------------------
Direct3D: 0/4 (retail)
DirectDraw: 0/4 (retail)
DirectInput: 0/5 (retail)
DirectMusic: 0/5 (retail)
DirectPlay: 0/9 (retail)
DirectSound: 0/5 (retail)
DirectShow: 0/6 (retail)
---------------
Display Devices
---------------
Card name: Intel(R) HD Graphics 3000
Manufacturer: Intel Corporation
Chip type: Intel(R) HD Graphics Family
DAC type: Internal
Device Key: Enum\PCI\VEN_8086&DEV_0116&SUBSYS_397517AA&REV_09
Display Memory: 1696 MB
Dedicated Memory: 64 MB
Shared Memory: 1632 MB
Current Mode: 1366 x 768 (32 bit) (60Hz)
Monitor Name: ThinkPad Display 1366x768
Monitor Model: unknown
Monitor Id: LEN40B0
Native Mode: 1366 x 768(p) (60.000Hz)
Output Type: Internal
Driver Name: igdumd64.dll,igd10umd64.dll,igd10umd64.dll,igdumd32,igd10umd32,igd10umd32
Driver File Version: 9.17.0010.3062 (English)
Driver Version: 9.17.10.3062
DDI Version: 10.1
Driver Model: WDDM 1.1
Driver Attributes: Final Retail
Driver Date/Size: 3/8/2013 19:10:18, 12615680 bytes
WHQL Logo'd: Yes
WHQL Date Stamp:
Device Identifier: {D7B78E66-4256-11CF-EC7F-7F19B7C2C435}
Vendor ID: 0x8086
Device ID: 0x0116
SubSys ID: 0x397517AA
Revision ID: 0x0009
Driver S...
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