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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 1031 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)
April 8, 2011 3:42:23 PM

any suggestion as to what I could try to do? would i need to replace the mobo?
Related resources
a c 1031 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.
April 8, 2011 5:17:27 PM

how do i do that?
a c 715 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.
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.
!