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WHEN IN DUAL CHANNEL COMPUTER SHUTS OFF

Last response: in Motherboards
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April 8, 2011 3:20:48 PM

I’ve been trying to fix this issue for a while, no blog so far could completely answer this problem this is making me go crazy. Please help out. I will keep posting in attempt to hellp out any other people suffering from this problem also.

The problem:

is that as soon as attempt to use my desktop in Dual Channel its shuts off, I cant even load the BIOS menu, I press the power button and then 3-5 secs after it automatically turns off. Ive tried pushing it dozens off times in a row but it will never stay on. However If I take a memory stick out to put it in Single Channel the computer runs perfectly. When this happened my computer was in sleep mode, I tried moving the mouse or pressing the keyboard and nothing happened. I held the off button and shut it off. From that point ive have been having these issues. So I’ve screened it down to either the motherboard or memory (which I doubt).

What I’ve tried so far:

1- Tried different version of windows (currently using windows 7 and was running fine)
2- run memtest on each memory stick one by one (no errors)
3- changed the PSU (it first loaded until the windows logo appeared and then shut off)
4- changed the thermal past on CPU (saw that on different blog waste off time)
5- tried moving the memory sticks to all the possible formulas possible (nothing changed)
6- tried installing windows on different hard drive (but the hard drives is obviously not the issue here)
7- Run driver tests (indicates all drivers are up to date)

What im thinking of doing

1-Take battery and power cable of motherboard and let sit for 24 hrs
2-Flashing the BIOS (BUT THERE IS no update available on the gateway website)

Or running it only in single channel, but the thing I don’t want to. It has been in dual for the last 8 years.

My Desktop Specs

Gateway GT 5082 (its an older pc about 8 years old)

Current windows version 7 64 bit

Processor AMD Athlon™ 64 X2 dual-core processor 3800+
• 2.0 GB
• 2000 MHz front side bus
• L2 cache: 512 KB x2
Memory • Installed: 2048 MB 400 MHz (PC3200) DDR memory (four 512 MB modules)
• Expandable to: 4 GB
Video Integrated NVIDIA GeForce® 6100 graphics
Audio Integrated AC '97 Audio with 6 Channel Audio (5.1)
Hard Drive 250 GB 7200 RPM IDE hard drive with minimum of 2 MB cache
Optical Drives Double layer 16X DVD+/-RW drive
• Write max: 16xDVD-/+R, 6x DVD-RW, 8x DVD+RW, 4x DVD+R DL, 40x CD-R, 24x CD-RW.
• Read max: 16x DVD-ROM, 40x CD-ROM
Media Reader 9-in-1 Digital Media Manager supporting the following:
• CompactFlash Card
• IBM MicroDrive
• Memory Stick
• Memory Stick Pro
• SmartMedia Card
• Secure Digital(SD)/MMC
• Compact Flash
• Multimedia Card
• xD-Picture Card
• USB 1.1 or later
Modem 56K ITU V.92 ready Fax/Modem
Network Integrated 10/100 Ethernet LAN
Interfaces • PS/2 keyboard port
• PS/2 mouse port
• Seven USB 2.0 ports (four on rear panel, two on front panel, one in media reader)
• Three IEEE-1394a connectors (one on rear panel, two on front-panel)
• One parallel port
• One RJ-45 LAN port
• Five audio jacks (three on rear panel, two on front panel)
Add-In Card Slots • One PCI-Express ×16
• One PCI-E ×1
• Two PCI Conventional
Drive Bays • Two external 3.5-inch
• Two external 5.25-inch
• Two internal 3.5-inch
Input Devices • Multimedia keyboard
• USB optical mouse
Speakers Amplified stereo speakers
Power Supply 300 watt
Dimensions (H × W × D) 15.4 × 7.3 × 17.9 inches
Weight 23.5 lbs (computer only, no packaging)





a c 1163 V Motherboard
April 8, 2011 3:32:31 PM

If it is not the memory then it could be the motherboard or CPU (the memory controller is on the CPU)
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April 8, 2011 3:42:23 PM

any suggestion as to what I could try to do? would i need to replace the mobo?
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Related resources
a c 1163 V Motherboard
April 8, 2011 3:45:39 PM

Two options run in Single channel or go through the bread boarding in the trouble shooting thread (in the system category) to find out what is the trouble bit.
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April 8, 2011 5:17:27 PM

how do i do that?
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a c 717 V Motherboard
April 8, 2011 5:34:30 PM

Looking at this it screams Mix-Matched {including incompatible RAM}, DRAM Voltage issue, or DIMM Slot. A bad CPU would either fail period or if there was a bent CPU pin 9/10 the RAM would be 'missing'.

Q - What exact Sticks? I prefer a link to each set.

If it's a DRAM Voltage issue then there's no solution, most OEM MOBO lock-out that feature.

Since it's an AMD MOBO and IF the BIOS has the option try both Ganged and Unganged modes.
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April 8, 2011 6:56:14 PM

ill get back to you with the info of the exact sticks, at the same time ill try the both modes if i can.
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!