Dell Inspiron 15 :: 5000 Series - Slow Performance / CPU Stuck At 0.75ghz

Aug 23, 2014

I've recently purchased an Inspiron 15 5000 series and have noticed that performance is unusually slow for the specs, especially since coming from an Asus G73JH that was about 4 years old.

I've noticed that in the Task Manager on Windows 8, that CPU usage never goes above 30% and although the CPU is listed as an i7-4510u @ 2.00ghz, the Speed on the Task Manager page generally sits at 0.75ghz and never goes above 0.79ghz (generally when it goes above 0.75ghz, it for a brief moment).

I've been Googling this problem for a little while now and the only person I've found with a successful solution to this problem was on a desktop and had to replace their CMOS battery. Considering I'm on a laptop, I'd imagine this would void my warranty somewhat ....

I've run the Dell Support program and all the tests pass. I've also installed all the drivers from the Dell site (including the BIOS update) and all my Windows Updates are up to date.

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firstly i thought may be antivirus problm but i uninstall that one.....soooo now again same problm........after 1-2 hours

when i click on the "show hidden icons" in taskbar then the taskbar icon display is veeeery very slow...and overall performance is much much much slow .....

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On battery mode to run everything on maximum performance... but it doesn't work. same problem. I don't care if the battery runs out faster. i just want it to run fast when is on battery mode.

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However, today having switched back to power supply and setting power scheme to max performance the CPU is still concerving power.
 
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I have been working with Dell, and have updated all video drivers, Bios, tried different power settings (including high performance), and it has made no difference.

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Dell :: Deals & ATI 5000 Series...

Mar 20, 2010

I am able to get the Studio XPS 1647 for $1634 ($1552 after Bing Cashback) that has the following:

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Would this be considered a good deal, or does anyone know of any other deals (e-value codes, coupon codes, etc.) for the Studio XPS 1647?

Also, I noticed some people are wanting the ATI 5000 series for the SXPS 16. What are the benefits of the 5000 series over the 4670 and what is the holdup? Does it require a new MB layout or something? I will mainly be using my computer for Internet/email, photo editing, and occasional HD video and DVD editing...I am not a PC gamer. So, would it worth waiting for the 5000 series? I'm sure the 4670 will suit me just fine, but I've read that it is 'last year's technology' and I generally like to try to get the latest available technology at the time of purchase...

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Mar 7, 2010

I'm new to this site and I'm quite surprised at the vastness of 'online' knowledge and happy to have learnt so much from the other threads ! Thanks !
But, I couldnt find any info on the new ATI 5000 series notebook GPU's in the Indian context. So
The DELL Studio series now comes with the HD 5470, which according to tha GPU benchmark isn't good enough for gaming. (The studio 17 here still carries the 4670, but, the better 5650 in UK) .
http://www.notebookcheck.net/Compute...s.13849.0.html
A studio
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backlit keyboard & 1 year CCADP
costs INR 59,000 (excluding only delivery)
Should I go for it or wait for them to upgrade the studio 17 to the better 5650 graphics ? (portability isn't an issue for me so the 17 is fine too ). IMO the price is too high. But I would like to know the opinion of you folk ! Are there any better alternatives(I doubt !)................

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Apr 1, 2009

I have an HP Compaq nx7400. I've had it for over 3 years now. I've never changed its battery ever since I bought it.

Specs: [url]

Over the past few weeks, I've been having an unusual problem. Whenever I plug the AC adapter to my laptop, the whole laptop performance - from the second I switch it on - is very slow. The moment I pull the AC adapter from the laptop, it instantly operates at a normal and fast speed again!

I figured that it must have been a problem with the AC adapter (it's had its fair share of use - being swung around and dragged to lectures...). So I ordered another one off Ebay. Today, I got the new adapter and when I plugged it in, the laptop only went on AC power. It worked fine - fast as normal. However, it was not charging - just on AC power. I am starting to question if the adapter was really as "genuine" like it was advertised on eBay. But anyway... after about 4 hours with the new adapter on AC power, it stopped recognizing the battery altogether and alerted me with a Critical Battery sign. Of course, a few minutes later, it went dead on me - the laptop switched off. It was as if I removed the AC adapter myself, only I hadn't. Now, I am trying to plug it in again (the new one), to see if it will be able to power up again and it just won't respond at all.

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I bought Dell Inspiron 5000 (5748) with Windows 8.1CPU Frequency is low from 0.76 - 0.78 GHz and when I start to load more programs(video render, 3d, CPU stress test) computer slow down and load is no higher than 40%, CPU remain the same(0.76).

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