Problem with system time. Too fast and auto adjusted too often

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francociccio

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Hi to all. I have a problem and i cannot find a solution. I have a PC

that have a strange behavior.

Its system time is extremely fast (gains about 2 minutes every half

hour). This effect is automatically adjusted in a very trivial way,

that is extemely dangerous for some software i'm writing.



- No internet connection is available, so no time server is working.

- If i keep PC off (even for weeks) when i turn it on the system time

is quite precise, maybe it is and hw adjustment?



Is there someone that had the a similar problem? Is there a solution?

(time drift is acceptable for me, but i cannot admit the 2 minute back

auto adjustment every half hour)
 
On 26 Feb, 12:14, francociccio wrote:

> Hi to all. I have a problem and i cannot find a solution. I have a PC

> that have a strange behavior.

> Its system time is extremely fast (gains about 2 minutes every half

> hour). This effect is automatically adjusted in a very trivial way,

> that is extemely dangerous for some software i'm writing.

>

> - No internet connection is available, so no time server is working.

> - If i keep PC off (even for weeks) when i turn it on the system time

> is quite precise, maybe it is and hw adjustment?

>

> Is there someone that  had the a similar problem? Is there a solution?

> (time drift is acceptable for me, but i cannot admit the 2 minute back

> auto adjustment every half hour)



A little update. This behavior is observed only on windows. On linux

system time is precise, and even in bios it works well
 
francociccio wrote in

news:cd96f13f-622e-4fee-ab4c-ca3f206815e3@v13g2000yqv.googlegroups.co

m:



> On 26 Feb, 12:14, francociccio wrote:

>> Hi to all. I have a problem and i cannot find a solution. I have

>> a PC that have a strange behavior.

>> Its system time is extremely fast (gains about 2 minutes every

>> half hour). This effect is automatically adjusted in a very

>> trivial way, that is extemely dangerous for some software i'm

>> writing.

>>

>> - No internet connection is available, so no time server is

>> working. - If i keep PC off (even for weeks) when i turn it on

>> the system time is quite precise, maybe it is and hw adjustment?

>>

>> Is there someone that  had the a similar problem? Is there a

>> solution? (time drift is acceptable for me, but i cannot admit

>> the 2 minute back auto adjustment every half hour)

>

> A little update. This behavior is observed only on windows. On

> linux system time is precise, and even in bios it works well



Just a guess here. The Windows Time Service will attempt to keep time

to a network time source. When it sees that the time is off, it can

speed up or slow down the clock until it catches up with real time.

It's possible that at sometime in the past you had an internet

connection that detected that you were way behind real time and the

service sped up the time to catch up. If it was never reconnected to

the network to stabilize this correction it may still be in force.



Since you are not connected to the network, try stopping the Windows

Time service. Probably the best way is to bring up a command window

and enter the command:

w32tm /unregister

which should, according to the description, remove all configuration

information from the registry.



HTH,

John
 
John Wunderlich wrote in

news:Xns9D2B84D934E25wunderpsdrscray@138.125.254.103:



> francociccio wrote in

> news:cd96f13f-622e-4fee-ab4c-ca3f206815e3@v13g2000yqv.googlegroups.

> co m:

>

>> On 26 Feb, 12:14, francociccio wrote:

>>> Hi to all. I have a problem and i cannot find a solution. I have

>>> a PC that have a strange behavior.

>>> Its system time is extremely fast (gains about 2 minutes every

>>> half hour). This effect is automatically adjusted in a very

>>> trivial way, that is extemely dangerous for some software i'm

>>> writing.

>>>

>>> - No internet connection is available, so no time server is

>>> working. - If i keep PC off (even for weeks) when i turn it on

>>> the system time is quite precise, maybe it is and hw adjustment?

>>>

>>> Is there someone that  had the a similar problem? Is there a

>>> solution? (time drift is acceptable for me, but i cannot admit

>>> the 2 minute back auto adjustment every half hour)

>>

>> A little update. This behavior is observed only on windows. On

>> linux system time is precise, and even in bios it works well

>

> Just a guess here. The Windows Time Service will attempt to keep

> time to a network time source. When it sees that the time is off,

> it can speed up or slow down the clock until it catches up with

> real time. It's possible that at sometime in the past you had an

> internet connection that detected that you were way behind real

> time and the service sped up the time to catch up. If it was

> never reconnected to the network to stabilize this correction it

> may still be in force.

>

> Since you are not connected to the network, try stopping the

> Windows Time service. Probably the best way is to bring up a

> command window and enter the command:

> w32tm /unregister

> which should, according to the description, remove all

> configuration information from the registry.

>

> HTH,

> John

>

>



Just a little something to back up that hunch:



"How to Fix Time Error"





HTH,

John
 
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