Here is my configuration:

-HP Pavilion Slimline s3100y PC
-Genuine Windows Vista Home Premium (32-bit)
- Intel Core 2 Duo processor E4500 (2.2GHz)
- 2GB DDR2-667MHz dual channel SDRAM (2x1024)
- 256MB NVIDIA GeForce 8400GS, DVI-I, HDMI
- 400GB 7200 rpm SATA 3Gb/s hard drive
- 16X DVD+/-R/RW SuperMulti drive
- 15-in-1 memory card reader, USB, headphone port
- Integrated 7.1 channel sound w/front audio ports
- HP wireless keyboard and HP wireless optical mouse

Cox HSI Premier Service 12down/1up
Direct-No Router
Modem to Computer connection: Ethernet Cable
Cable RF MAC Addy: 00197E3C4E18

When I first start up MS Vista I get speeds of about 15/1 with Ping times in the 20-30ms range.

After a few mins I notice things starting to slow down and taking longer to load.

I run another speed test from and find that I have dropped to about 10/.5 and my Ping times have gone up o over 300ms!!

I can then shut down Vista and when I start it back up...I am back down to what I should have in the 15/1 25ms range?

I had two techs out from Cox yesterday and they basicially said "This is a hardware/software problem...all of your readings on our test equipment are just fine...your signal strength is excellent"

The suggested that I contact Customer Support at HP...I did so and explained the problem only to have the Tech Support person tell me that "You have a Cable problem, not a hardware your ISP"!!!

I havn't tried to contact MS Vista Support, which would have been my last resort until I found the Forums.

Can anyone help is SO frustrating to have an Expensive ($56.95/mo) superfast connection capable of such high speeds (I saw over 25kb/s Download speed once!) dragged down like this and not be able to determine why or what to do to correct the problem!

Here are two representative tests on The first right after I started up Vista and the second after it had been running for 10mins (Note the tremendous drop in especially the Upload speed and the Ping time in ms)

Please help me figure out what is going on here and how to correct it!


Charles I. Proche
1 answer Last reply Best Answer
More about slow speeds vista
  1. Best answer
    1. try unplugging the power from the modem for 60 sec. while pc is off, then plug it back in and give it a shot
    2. try updating your lan driver (if update is available).
    3. have you tested your speed under xp? maybe your modem is dying...
    4. have you got a good anti-virus, make sure you don't have any malware etc etc installed
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