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    E1705 poor CPU rating

    Discussion in 'Dell' started by mctservice, Oct 18, 2012.

  1. mctservice

    mctservice Newbie

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    I recently restored a dell E1705 and have been seeing poor CPU performance. I tore the unit down and put arctic silver on the cpu and video card, installed new fans (CPU fan worked but whined). I installed a fresh copy of Windows 7 (64bit), it has the t7200 CPU, 7900GS and 4Gb of Gskill ram. This latop will be for offline use only as an older gaming machine with trusted files so I didn't put on an antivirus. With the specs of the machine it would seem like it should play any game from around when it was made rather well but they crawl. Even an old game like battlefiled 1942 struggles terribly, CPU maxes out while playing. All drivers are up to date, no conflicts detected, and the temps are cool, CPU max is 37C and GPU max is 75C. I looked at the windows system rating and it shows 2.6 because of the cpu. I read many places of this range of CPU getting near double that score. Haven't found any normal reason for it to run so poorly. Anyone have this issue with the E1705 specifically?

    Windows system rating:
    Processor: 2.6
    Memory (RAM): 4.5
    Graphics: 5.9
    Gaming Graphics: 5.1
    Primary Hard Disk: 4.8
     
    mctservice, Oct 18, 2012
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  2. Commander Wolf

    Commander Wolf can i haz broadwell?

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    Are you by any chance getting the "Unknown AC Adapter" warning in BIOS?
     
    Commander Wolf, Oct 18, 2012
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  3. mctservice

    mctservice Newbie

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    Actually I am, it does it with all three chargers I have. 1 original, one 130w dell and one universal one.
     
    mctservice, Oct 18, 2012
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  4. Commander Wolf

    Commander Wolf can i haz broadwell?

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    ... and there you have it. You have a bad motherboard; that's why the CPU is throttling.
     
    Commander Wolf, Oct 18, 2012
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  5. mctservice

    mctservice Newbie

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    About the last thing I wanted to hear but it might not be totally shot. I did some playing around and if I boot to windows off the battery before plugging it in it runs great. DId this and ran the windows system test and scored a 4.8 on processor. Also if I soft boot and load the bios after the step above it does recognize the adapter... Very odd but atleast I found a way it works at all. Thanks for pointing that out though, It always charged the battery so I never thought much of the warning.
     
    mctservice, Oct 19, 2012
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