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14 Posts

03-04-2010

USA

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X200s Servicing Issue

2011-08-19, 8:35 AM

I have this exact (or at least, very similar) problem on my X200s. I have owned this laptop for nearly two years, and have never experienced this problem before.

 

However, the laptop was recently sent in for repair on several apparently unrelated issues, namely:

 

- broken webcam

- broken thinklight

- sticky keys (coffee spill)

- very high heat on the underside of the laptop under normal use

 

The service report came back with a bunch of replacements; namely, the following (this is the exact list from the repair summary sheet, I have no idea why there are duplicate entries).

- Camera

- Keyboard

- LCD Cable w/BT/Camera

- Motherboard

- Keyboard

- LCD Cable w/BT/Camera

- Camera

- Motherboard

- LCD Bezel

 

 

Now I am seeing frequent crippling slowdowns of the CPU during normal use, and even more frequent under heavy load. I first noticed it when zipping up a large folder (1.5gb); Windows 7 "Resource Monitor" showed the CPU maximum frequency dropping to 11% and staying there for several seconds, then bouncing back up to about 100%, and occasionally resting at around 40% for long periods of time.

 

I have installed and have run the ThinkVantage Toolbox diagnostics (CPU Test) several times, with the same result. ThrottleStop shows the CPU frequency hovering most often around 800MHz; this is on a 1.86GHz Core2Duo L9400.

 

I have tweaked the BIOS settings, tweaked some ThrottleStop settings, and messed around with Thinkpad Power Manager with no result.

 

This is my primary laptop. I am a multimedia developer. This problem makes this machine virtually useless for me, and is costing me money every day I am unable to use it.

 

What is Lenovo doing about this? How in the hell did a showstopper problem like this slip through production, and how in god's name did it get ADDED to my formerly functional machine?

 

My X200s is being returned to Lenovo warranty service anyway, since whoever installed the webcam neglected to remove the protective paper over the lens, rendering it useless, and installed a keyboard with a faulty backspace key.

 

What if anything can I tell the service depot in order for them to fix this? I really cannot afford to keep messing around with this fundamentally broken computer. I had thought that these were professional computing products, and I certainly do not appreciate having to jump through hoops and lose money while Lenovo gets its act together.

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21115 Posts

12-20-2008

Australia, Melbourne

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  • Message 2 of 9

Re: X200s Servicing Issue

2011-08-19, 11:01 AM
so did you have the webcam and thinklight issues prior to the coffee spill?
Regards,

Jin Li

May this year, be the year of 'DO'!

I am a volunteer, and not a paid staff of Lenovo or Microsoft
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14 Posts

03-04-2010

USA

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  • Message 3 of 9

X200s crippled by CPU throttling (after warranty service)

2011-08-19, 17:20 PM

I've been using an X200s (1.86 C2D L9400) for almost 2 years without any CPU problems at all. Suddenly, after having sent in the machine for unrelated repairs (lots of heat on the underside of the machine, thinklight & webcam broken, messed up keyboard), I am having CPU throttling issues. Among other changes, the service depot replaced the motherboard.

 

At apparently random times -- though they seem to cluster around instances where the machine is under heavy load -- the CPU will be throttled back to 11%, essentially crippling it, for anywhere from several seconds to up to a minute.

 

Aside from that, under heavy CPU load (benchmarks, several tasks in various Adobe programs, zipping up large folders), the CPU seems to spend as much time throttled back to 40-42% as it does at 100%, where I would assume it should be. I am a multimedia developer and this behavior essentially makes this laptop -- my primary machine -- useless to me.

 

I posted this issue in the X220 thread where people seem to be having the same issue, but it was moved for some reason.

 

My X200s is going back to Thinkpad warranty service in the next day or two -- whoever installed the new parts didn't remove the protective paper over the webcam lens rendering it useless, and the replacement keyboard squeaks like a dying rodent -- so I am hoping someone can give me some indication about what I should write on the repair slip to fix this issue.

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14 Posts

03-04-2010

USA

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  • Message 4 of 9

Re: X200s Servicing Issue

2011-08-19, 17:24 PM

Yup. The screen bezel came loose and started flexing whenever I opened/closed the lid, I assume this weakened the cable connections.

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14 Posts

03-04-2010

USA

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  • Message 5 of 9

Re: X200s Servicing Issue

2011-08-19, 17:26 PM

I'd also add, the coffee spill didn't do any real damage. The computer was still working perfectly fine, just some of the keyboard keys were sticky. All the other problems appeared well before the coffee incident.

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14 Posts

03-04-2010

USA

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  • Message 6 of 9

Re: X200s crippled by CPU throttling (after warranty service)

2011-08-19, 17:35 PM
Ah, and another note: using ThrottleStop and while running the Thinkvantage Toolbox CPU test, both cores showed they would rocket up to about 96/97C, and pretty reliably at that point throttling would kick in. The CPU would bounce between 1.6 and 1.8GHz for a while, then after a few seconds of this would drop down to 11% maximum frequency, crippling the computer for anywhere from a few seconds to a minute at a time.
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9380 Posts

11-27-2007

SK

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  • Message 7 of 9

Re: X200s crippled by CPU throttling (after warranty service)

2011-08-19, 19:35 PM
Post moved to forum Housekeeping

Andy  

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2484 Posts

04-11-2011

Malaysia

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  • Message 8 of 9

Re: X200s crippled by CPU throttling (after warranty service)

2011-08-22, 5:58 AM
hey yenemy,

could you pm the following :



Name:
Country:
Mobile:
Email:
MTM [machine type model]:

(To locate MTM - http://support.lenovo.com/en_US/FindProductNumber.page#find)

S/N:
Date of Purchase:
Case/Order Number : (if any)

Screenshot of Error(if applicable) : (upload it to a hosting site and paste the link here)

Description of issue :





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14 Posts

03-04-2010

USA

28 Signins

262 Page Views

  • Posts: 14
  • Registered: ‎03-04-2010
  • Location: USA
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  • Message 9 of 9

Re: X200s crippled by CPU throttling (after warranty service)

2011-08-22, 6:25 AM

Serge, thanks very much for your repy. I have PMed you the details you requested.

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