Unexplained poor performance

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CharlesHagriss

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I'm working on a dell studio laptop.
The original symptom was 30 minute+ boot up and it would eventually start Vista (Home Premium 32-bit).
Malwarebytes came up with a few minor tracking cookies, removed them. Anti-virus came up clean.
Reboot still takes over 30 minutes.
Installed SP2 (took over 5 hours). Reboots.
Now stuck in reboot loop.
I ran dell diagnostics and everything passed, and I mean everything. I ran SATA long test, full memory test, everything passed.
Now we move into the mystery.
UBCD4Win hangs with a black screen (Waited over 1 hour)
XP based ERD hangs with a black screen (Waited over 1 hour)
Vista based ERD starts after a decent 20 minute wait. Backed everything up.
Reinstalled Vista from DVD.
Still slow boot. Driver installs taking hours.

Any idea what's going on? Any help greatly appreciated.
 

TheShooter93

Cody
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You're getting that slow of a boot after just reinstalling the OS?

Sounds like a hardware issue to me.

What are the specs on the machine?
 

CharlesHagriss

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Dec 18, 2010
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Dell Studio Laptop 1737
Dual Core 2 Ghz
4 GB of RAM

According to the diagnostics there are no hardware problems. It's unclear what would cause it. Are BIOS viruses still surfacing?
 

TheShooter93

Cody
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Definitely should not be moving that slow with hardware like that in there.

Honestly, I have no idea what the issue could be. Sorry. :(
 

CharlesHagriss

Thread Starter
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Dec 18, 2010
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Another strange behavior is moments of clarity- I'll be able to navigate folders and open control panel as normal, then I'll go to install something and it takes 10x the normal install time and often longer
 

managed

Allan
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15,071
Try booting into Safe Mode and see if it responds faster. If it does I would suspect a driver problem.
 

TheShooter93

Cody
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This is incredibly weird...I again, have no idea. The only thing it could be is hardware related. :(
 

dustyjay

Jay
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Jan 23, 2003
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12,661
You could try running a HDD diagnostic test using the test from the HDD Manufacturer.
 

CharlesHagriss

Thread Starter
Joined
Dec 18, 2010
Messages
6
Hdd diagnostics from the dell test passed (it did SATA long test), it also did memory pattern tests and they all passed. The computer was functioning enough that I returned it to it's owner. Once it boots up it can browse the web at acceptable speed. YouTube videos even play but it has choppy audio. I have remote control so I could try and find the Toshiba diagnostics for the hard drive, I had trouble locating them.

I was reading a thread where many complained of DPC latency on the same Dell Studio 1737 model I'm working on. I'm wondering if this is a more severe case that affects performance. It often felt like installations would hang as if they were waiting for something to happen (they never crashed or failed, just slowed to a crawl)
 
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