Posts Tagged ‘Laptop’

Electric Shocks from my laptop

Friday, October 28th, 2005

Often, when I take my laptop somewhere, it starts stinging me when I place my wrists on the speaker grill, this is the normal position when typing.

Turns out in fact, that I am being electrocuted

And I am not the only one it seems:

I noticed my laptop also is giving me a shock. I pulled out my handy Fluke 77 Multimeter and got the following:

The Shock is from AC current, not DC.

While there is some DC voltage leaking to ground in the chassis, the vast majority of what everyone is feeling is AC voltage. I mesured Approx 54 Volts on the chassis mounted HW such as external ports and the speaker grill where my hand/arm has worn some of the paint away now. So for fun i decided to check for ampers, I got 48mA. While this is not a great deal of elecricity (enough to kill you) it does make it rather uncomfortable to use the laptop as you have to watch where you rest your arm.

Now since the laptop runs entirely on DC voltage, the AC voltage leak to ground must be from the power inverter, again my multimeter confirmed that in fact the AC voltage leak is on the negative side of the plug not on the positive side. This leads me to believe that the power adapter is bad.

All this information is real nifty except my laptop started shocking me 2 weeks out of warranty and HP really could care. Personally i would consider this a prelude to bigger and better things, including but not limited to: Electricution, fire, data loss, lawsuits, aliens, and the end of life as we know it…

Laptop BackPack

Thursday, December 9th, 2004

My new laptop is the largest I have ever seen, and I thought finding a bag or backpack for it was gonna be tough, as my already large Microsoft notebook bag was unable to fit it.

Targus Sport Standard Backpack (Platinum/Black)

I was thinking about getting something expensive and luxurious, but then I came across this thing in a local Dynabyte store. Very excellent! I seem to be able to store stuff in this thing without end, and it easily accommodates my zd7340 Pavilion. Its light but sturdy, and comfortable to wear so far.


Laptop Update

Monday, November 29th, 2004

Well my laptop harddisk has really given up now.

The problems have been worsening over the past week, and now it will start ‘tapping’ sometimes, after its been on for a while. Also, it wont boot normally anymore, I have to press ESC during post, and manually select the hdd in the boot menu, and whenever I do that, it tells me that SMART has detected the hdd must be replaced.

I have been clearing all non-essential data off the laptop, and defragmented it. I tried running a checkdisk with recovery, but it fails at step 4, and exists with an unspecified error.

I am convinced its been overheating that has killed the hdd, as I had the laptop on in its bag a few times, so I could listen to podcasts.. this was before I had the new heardphones.

Anyway…   I got a phonecall on Vriday from Dynabyte, telling me I would be phoned this week when the replacement laptop had arrived at the shop.

A collegue of mine already had his replaced, but told me that he didn’’t get a new SD-Card reader/USB Stick with the new one. That really sucks, as I think the included card reader is really great… so I will ‘’forget’’ to pack it with my old laptop is see if they notice..

Old laptop:


New Laptop:


Laptop Update

Wednesday, November 3rd, 2004


Because my laptop wasn’t new to begin with (they turned out to be display models), I, and two others in our company, set wheels in motion to have this corrected.

The shop our company got the laptops from will soon be contacting us directly, and will be swapping out our laptops with newer models!

Old laptop:

Probable new laptop:

There is about 18 months technology difference between the two, the improvement include:

-Better videocard, going from a Mobile Radeon to a Geforce FX 5200 Go.. oke so its not spectacular, but its got 64mb dedicated now.. big improvement

-1mb cache on the P4 3Ghz cpu, up from 512kb

-Infrared (I really missed that one)

-17″ XVGA monitor with higher resolution (max 1440 x 900), as apposed to 15″ I had.

-“Fullsize” keyboard! Yah!

-Far more software included!

-Multi-Format DVD R/RW..  DVD- AND DVD+ ..   COOL!

If they actually deliver.. I will be rather pleased!

Ughm… *rubbs head*

Friday, October 22nd, 2004

Well the last week has been colorfull.

Started the new job at the media company, and feelings are still mixed.

First of all, the positive points.

This is a big operation. Its a very cool enviroment to work in. Round the corner of this office is the cotrol room for our national television channels, and upstairs are the newsrooms themsselves, that we had a walk though. When I go to lunch I see people I previously only new from TV. Yesterday I got the grand tour from one of the network guys. I visited all tv studio’s and radio studio’s aswell, very cool to see the live productions as they where happening. At one point I found myself walking across the studio of the Dutch version of Sesame Street

There are tons and tons of server and switch rooms here, and the main datacentre where all the hosting takes place is massive, and my all definitions the perfect datacentre, with all the high-end tech in place. Its also highly, highly secure.They have a huge datacenter here, biggest in the Netherlands after AIX, and they host a hell of a lot of bandwidth, the majority of which they use to move digital media content around between studio’s and production companies. They also host the SLAM for the city, that all the DSL providers use, and all teh cable stuff is hosted there aswell, aswell as arrays of dail-up banks. The company I work with also supplies the infrastructure for all the customers here, they are a tier-3 provider. They have stuff here that I only knew from websites..  equipment like Cisco 12000 series routers. They are currently building a storage centre to store future digital media (film stock), which will be 2 petabytes when live, and will extend to doezens in the future.
There are many many techs here. Loads of audio/visual specialists of course, and people with expertice in high-level routing, satalite comms, sginals, codecs, encryption, etc.

All in all.. a very stimulating enviroment to get to work in.

Unfortunatly.. the work in question is plain old second line desktop support.  Dragging pc’s around, installing applications, helping people with their little problems. Boring.. boring boring…     However.. I have already noticed that I seem to be more up to date than the guys here when it comes to new tech, and they will soon be migrating to Windows Server 2003/XP .. so I have a headstart in this.

I also see a lot of room for advancement.. they are very loosely organised.. so I can see myself climbing into a more sysadmin-like postion here after a while. In the meantime however, its pretty boring.

Another major downside is the travel time. Takes me two hours to get there.. that is 4 hours (or more) out of my day. Its completely tired me out so far, and I honestly dont know if I am gonna get used to it. I have to travel by train and tram as I have no drivers license.. cause I cant pay for it.. cause I am chronicly underpaid.

On top of that..  my laptops harddisk seems to have failed.. I have only had the thing one month!

Perhaps I was asking for it.. Cause I still dont have a headphone for my XDA, I have been using the laptop as my walkman to listen to podcasts.
Usually on my lap in the train, but sometimes in the bag, when there was no room. I think the heat might have killed it, or the controller.. as the laptop cant even see the HDD in the BIOS anymore. I am still waiting to here if where are gonna get new laptops, cause mine and others, where not new, but where probably used as display models.  Now this. Might be because it was already used..  who knows. I will be caling HP later this eveing when I get home.. but cause its vriday, I might have to wait till monday… damnit.

More messed up shit: I cant pay for my travel expenses. When you are traveling on public transport, you buy your own tickets, and then have then cashed in by the employer, and you get the money back.. after a month.    I have to dish out over 300 euro’s to buy a train ticket over here.. and as I am chronicly underpaid, I cant do that, I simply dont have the room financially, like i dont have room for a great many things.

Even more messed up shit: Been getting bills again for former lodger. Rather intimitating letters like “pay now, or we will take your stuff“ …  I tried mailing scans to him, but his mailbox was full. Its been 5 days and he still hasn’t returned my calls.. I will be paying him a visit this weekend, I already phoned the bailiff and gave them his adres, but its very annoying nontheless, its seriously destroying any friendship we had left. (The friendship with the lodger, not the bailiff, lol) Another bill I got cant really be pointed in his direction.. first I have to prove that he doesn’t live here anymore..  jees.

Been listening to more and more podcasts. Until this morning they where the perfect way to spend the time traveling. Now since its gotta take a while to find headphones for my xda, I thought I might get a cheapo mp3 player.. but are there even cheapo mp3′ with enough space for all those podcasts..  oh dear.