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aardvark2zz

1 Rookie

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29 Posts

46281

May 9th, 2008 07:00

Help, very slow, the clock indicates stuck at 800 MHz instead of the max 2200 MHz

When computer comes out of hibernation it sometimes is very slow i.e. the clock also indicates stuck at 800 MHz instead of the max 2200 MHz (using PC Wizard 2008).

My temporary solution is to unplug the laptop and to reconnect it.

I checked the bios configuration and i see nothing that could alter the clock speed.

Have latest BIOS A06
Latest updates.

Latest Vista SP1 build 6001, home premium
Dell Inspiron 1521 AMD Turion 64 x2 Mobile with
Dell Wireless 1390 WLAN Mini-Card

Thanks in advance
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aardvark2zz

1 Rookie

 • 

29 Posts

July 9th, 2008 19:00

Is there a thing in BIOS that would limit the clock speed ??

I checked but couldn't find much.

Thanks

stclairm

2 Posts

September 26th, 2008 03:00

My Inspiron 1521 also "sticks" at 800.  I noticed that this seems to happen when I switch to battery power, although I've got things set in the power app to "Maximum Performance".  But when I plug back into AC power, it frequently does not resume it's full speed of 2000.  It seems to be getting worse.  Today it switched to 800 without my unplugging.  And recently, it seems the only thing that will return it to full speed is a full IPL.  I've tried telling it to run a max performance both in the Windows Power app in control panel and via Dell Quickset.

 

Any other ideas?  Anyone else seeing this phenomenon?

Balaji Ramanath

2 Intern

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1.8K Posts

September 26th, 2008 19:00

Have you cleaned out the insides of the laptop recently?  Open up the various doors at the bottom of the laptop and blow air out through the vents and other openings to get out all the dirt and debris accumulated.  Pay particular attention to the area around the CPU/heatsink.  If the vents are blocked up, this can cause overheating and the CPU will throttle down to prevent damage.

aardvark2zz

1 Rookie

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29 Posts

October 25th, 2008 04:00

The problem started with brand new laptop.

Also, I often run my 2 CPUs at 100% for hours to process a lot of video and have no problem with slowing down; even with a lot of hot air coming out.



My weird solution is to unplug the laptop for a few seconds and then replug back the AC adapter; this works until the laptop comes out of hibernation again. I then have to again unplug it for few seconds and then replug it back again.

Permanent solutions greatly appreciated !!
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Message Edited by aardvark2zz on 10-25-2008 12:24 AM

aardvark2zz

1 Rookie

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29 Posts

June 20th, 2010 12:00

SOLUTION:

After having MANY more problems with Dell CPU clocking, I found this FABULOUS perfect software that saved my life !!!!!!

RightMark CPU Clock Utility (RMClock),  RMClock Utility 2.35

Of all the clock controlling and monitoring softwares this one works FLAWLESSLY; even on a DELL  !!!!!

And it's FREE.

I don't know about speeding up Bootup speed but it does everything else.  I believe it does.

I can even set it up to reduce battery consumption by gradually throttling the clock and CPU voltages instead of the old fast -slow Windows default.

A MUST have utility.

I'm totally impressed with this software; isn't it obvious :-)  !!

(Dell/Vista/AMD driver problem !?)

(UPDATE 1):

I just found a short (between super small signaling wire and +supply) in my older adapter. (They have 3 output wires of which one is super small).  This caused 3 things:

- CPU clock stuck at minimum.

- laptop telling me that the adapter is a wrong one .

- battery not charging nor discharging. (plugged in)

UPDATED the following (UPDATE 2):

I actually did cut the super small wire; I took one for the fans :emotion-1:

If that same super small wire breaks open then that will cause 3 things:

- full CPU clock range available.

- laptop telling me that the adapter is a wrong one .

- battery not charging nor discharging. (plugged in)

.

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