Ever opened-up a faulty hard-disk to see what’s inside? It looks pretty cool, and you can get some very strong neodymium magnets out of it. SWAG!
Another cool usage is to display the opened hard-disk on your wall or desk, as art.
Ikea comes to the rescue. Did you know that you can fit a 3.5″ hard disk in a Ribba 15cm x 20cm? Me neither. Also, you can fit two of the small-factor hard disks in the Ribba 12cm x 17cm
You can use two-sided tape to hold them in place, or use the mounting screws like I did. You then fix the back to the frame with some black electrical tape.
A customer got his vaio all wet. Keyboards are like water magnets. Sooner or later they end up wet.
In this case the water didn’t penetrate further into the motherboard, so the computer worked. It was just a matter of repairing/replacing the keyboard.
Most of the times, if you dry it and remove any residues the laptop works again. The trick is to use alcohol. It dissipates water, and cleans it at the same time.
I took this approach to begin with. So, onwards with the disassembly.
Instruction on how to disassemble the Asus A52J laptop in order to replace the hard-disk.
I uploaded a video on youtube to demonstrate the procedure.
It boils-down to 5 steps:
- Remove the Battery
- Unscrew and remove the back-plate
- Unscrew and remove the hard-disk caddie
- Remove the hard-disk from the caddie
- Replace with fresh hard-disk and reverse the procedure.
What do you do when electronics fall apart? Most of us just bin it and buy a new one. Especially with the high prices the I.T companies charge. 50 euros just to look at it? F that. There’s another way: D.I.Y.
It’s really not that difficult. Here’s how to replace a broken LCD on the EEE PC 900 & 901.
The above atrocity happened when a cell phone went flying and landed flat on the screen. The netbook didn’t sustain any other damage. It just needs an LCD change.
First step is to locate the necessary replacement part. The 8.9″ LCD screen. They sell for just 42 euros (£36) on ebay. Thank god for the Chinese!
My old Bench PSU had died and I needed a new one for my water-gun project (Work in progress), so it was a good time to document the process as well for the benefit of others.
List of materials.
- A discarded computer Power Supply Unit. (PSU)
- At least 2 terminals
- 2-state flip switches
- A 12v fan
- an on-off rocker switch
- LCD Voltage meter (Optional)
- Sandpaper & Paint (Optional)
My Donor PSU has a large 120mm fan on top of it that is not very useful. It takes up all the space. It had to go. As a replacement I used the top off another PSU with no top fan. The dimensions are the same anyway.
First step is to open it up as see what we got.
My super-cheap DVD player stopped working. It powered-up but it wouldn’t recognising any disks. I inserted a movie and always returned a disk error
The player was a gonner. I was about to throw it in a recycle bin but changed my mind and decided to try and fix it.
I had nothing to lose after all.
First unscrew everything that is unscrewable. Did I mention unplugging it from the mains? No? Whatever…
Sometimes some of the screws are hiding beneath stickers or rubber pads.
Once you get on the inside goodies, you have to locate the eye of the beast. A.K.A the DVD lens. Take a cotton swab, dip the tip in alcohol and gently wipe the lens clean. re-assemble, pray to the gods of electronics, and take it for a spin. If it works, it works. If it doesn’t, it’s a matter of re-calibrating the lens assembly. Some DVD players have 2 tiny screws for lens fine-tuning. Mine did. They where located under the tray, near the lens.
I had to unscrew and remove the whole tray assembly to get to them. It’s easier than it sounds. On other models the tuning screws may be on a different easily accessible spot. Look around.
You should have two screws. One for DVD calibration, and one for CD calibration. If they’re not labelled, you’re in for a treat. You have to guess. I got lucky as I randomly started with the upper right and it was the DVD one. The methodology is you slightly turn the screw clockwise, put a DVD in the tray and see if it starts. If your unit has an LCD status screen, you can quickly see whether it starts or throws an error. If you don’t, you’ll have to connect it to your TV.
After some unsuccessful efforts, I stopped waiting for the lens to finish, and tweaked the screw on the fly. Somewhat dangerous because of the live current, and the eye-blinding laser beam. If the lens keeps going up and down on the same spot, means that it can’t read jack. Turn the screw a little further. When you hit the spot, the lens will stop moving, the disk will keep on spinning, and the LCD will display the sweet-sweet playback time.
This part took me 2 days. I found the sweet spot near the end of the clockwise turns. The problem was that just as I found the spot that reads correctly some DVDs, it wouldn’t read some others. It takes very small movements of the screw to mess it up. Finally after 2 days of fiddling I found the spot where it reads most of my DVDs. I didn’t bother calibrating the CD lens as I never use it anyway.