XMP RAM (Overclocking Fail). PC now running slow.

joey55 · Jan 1, 2017

Hello
Last week I enabled XMP my RAM so I could run at 3000 mhz instead of 2133 mhz. However a couple of days ago, I got a overclocking error and couldn't boot up until I went back to default setting. However since the fail, my PC has been slower while browsing Goggle Chrome. Boot up is a little slower and sometimes pages randomly refresh (music will cut out for a few seconds while the page refreshes). Any suggestions?

Case: NZXT Phantom Enthusiast RED Full Tower Case
cpu: intel core i7 6700k
psu: eva 850w supernova 850
hdd: 1tb blue WD
sdd: 250bg Samsung
egva: Geforce GTX 1060
RAM: CorsVengLPX 2x8G DDR4 c/mk16gx4m2b3000c15w
mobo: Asus Z170 PRO Gaming

I have done a windows memory diagnostic and have done tests for both my SDD and HDD are no errors were found.

Dark Lord of Tech · Jan 1, 2017

In some instances , you need a slight overclock on the CPU to run the higher speed modules.

COLGeek · Jan 1, 2017

What speed is your memory now running at?

Also, have you scanned for malware/viruses recently (issue may just be coincidental to the memory issue)?

joey55 · Jan 1, 2017

Hello
My memory is now running at 2133 MHZ. I have checked for malware/viruses but no issues there.

JackNaylorPE · Jan 1, 2017

1. That's a pretty wide spread from 2133 to 3000. What speed rating is listed on the package ? / or what model RAM ? For example:

CMK16GX4M2B3000C15W ?
http://www.newegg.com/Product/Product.aspx?Item=N82E16820236039

You will oft find that you have to boost DRAM voltage a bit to maintain the XMP setting, especially if CPU is overclocked. Is it ?

2. After a crash, especially memory related, resetting BIOS to defaults is a good 1st step if you have issues; if that doesn't work, I have had success reloading BIOS

3. MoBo ?

4. As for Chrome, memory errors issues are common posted issues. Having spent hours trying to diagnose have never had much luck other than uninstalling it.

joey55 · Jan 1, 2017

I updated my post. Yes that's the ram I have. My CPU at the moment isn't overclocked. With google chrome, its weird as I've never had problems until I had the crash.

JackNaylorPE · Jan 1, 2017

joey55 :

can you post a screenie of the SPD tab in CPUz ?

1. Have you tweaked DRAM voltage up a pinch ? I had to bump up mine (DDR3) from 1.65 to 1.7 to get stability at 4.6 GHz and up

2. Set BIOS to defaults ?

3. Reloaded BIOS

joey55 · Jan 1, 2017

http://imgur.com/a/F253g

I haven't tweaked any voltages yet (too scared as I'm a newbie PC builder lol).

My bios is currently set to default but I haven't tried reloading it yet

JackNaylorPE · Jan 1, 2017

The image makes it quite clear that you will need at least 1.35 volts for DRAM Voltage ... may have to inch it towards 1.40 to get stability.

joey55 · Jan 1, 2017

Thank you for your answer. To be clear, the current voltage is ok for 2133mhz but the increased DRAM voltage would be required if I was to enable XMP (3000 mhz)?

JackNaylorPE · Jan 1, 2017

Yes... look at the image you provided (SPD tab)

- JEDEC 8 column says 1066 ... so since this is DDR (Double Data rate), you double that number (2 x 1066) to see that you are running at 2133. As you can see, this needs 1.20 volts

- XMP column says 1500 ... so since this is DDR (Double Data rate), you double that number (2 x 1500) to see that you are running at 300. As you can see, this needs 1.35 volts

Intel, your MoBo manufacturer and your memory manufacturer support these voltages.

Read this and then click the links ... you'll see 1.35v (and higher) as being officially certified.

http://www.intel.com/content/www/us/en/gaming/extreme-memory-profile-xmp.html

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XMP RAM (Overclocking Fail). PC now running slow.

joey55

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