dust

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Do I Have a Bigger Issue Here?

Ask the Doctor LogoMy PC has an Intel 2.4GHz Core 2 Quad Q6600, an EVGA 750i FTW motherboard, and two sticks of GSkill DDR2 with timings of 5-5-5-15 2T at 1,066MHz. Two weeks ago, I started getting random lockups and blue screens. After a lot of work, it turns out to be the RAM, which is producing errors in Memtest. However, in testing it I have found that I am getting errors in unlinked mode, at 800MHz, undervolting, overvolting, and moving the RAM around. The only time I don’t get errors is when I run just one stick of RAM. Is this actually a RAM problem or do I have a bigger issue?

—Tyler Cook

Read the Doctor's answer for Tyler after the jump.

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Hot Southern Night

Ask the Doctor LogoI recently had a number of issues with my PC. It seemed that my keyboard was sluggish, if not unresponsive. I also experienced some unusually slow hard drive response times now and then, and there have been times when my computer wouldn’t even boot (the BIOS doesn’t even recognize that my RAID 0 stripe is set up when I reboot). However, if I shut down the PC for a few minutes and then reboot, everything works fine.

I decided to give the insides a thorough dusting, and I discovered there was quite a large dust bunny lodged in my south-bridge chip fan, most likely preventing it from spinning. Since I’ve removed that dust bunny, I haven’t noticed any of the previously described issues with my computer. Could my problems really have been caused by the south-bridge fan not spinning? Could an overheated south-bridge chip cause issues like that, and eventually cripple a computer? I want to believe the answer is yes, but am I getting my hopes up? The system is an EVGA 680i LT board with a 2.4GHz Core 2 Duo, 4GB of RAM, and 64-bit Windows 7.

—McKenna Spaeth

Read the Doctor's answer for McKenna after the jump.