Acer Aspire 1642 Disassembly Manual Download

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Cleaning the Cooling Fan

Step 1 – Undo 2 screws, and remove a third

This step is pretty simple. Flip the laptop upside-down and unscrew the two bottom screws (circled in
Fig. 12). These won’t fully remove, as they are held in by screw retainers.

Unscrew and remove the top screw.

Fig. 12

Step 2 – Remove Cover

Lever the cover off from the bottom end. You might have some trouble getting it to unhook at the top.
Just move it around until it comes off.

Step 3 –Remove fan cover screws

There are 4 very small screws holding the internal fan cover on. (Shown in Fig. 13) Undo and remove
these.

Summary of Contents for Aspire 1642

Page 1: ... out the CD DVD tray 6 Step 6 Removing CD DVD tray support 7 Step 7 Taking the CD DVD tray apart 8 Cleaning the Cooling Fan 10 Step 1 Undo 2 screws and remove a third 10 Step 2 Remove Cover 10 Step 3 Remove fan cover screws 10 Step 4 Time to Clean 11 Accessing the Wireless Module 12 Step 1 Undo Cover Screws 12 Step 2 Remove Cover 12 Step 3 The Wireless Module 13 Changing The RAM 14 Step 1 Undo Cov...

Page 2: ...Step 4 Removing the RAM 16 Step 5 Inserting New RAM 16 Step 6 Reassemble 16 ...

Page 3: ...d Software having built and maintained computers for around 7 years Safety and Warranty Warning The procedures in this document are relatively simple however should anything go wrong I cannot be held responsible Virtually all laptop manufacturers and retailers will not repair a laptop once it has been opened by an unauthorized person I E Anyone but them by following the guide below you will almost...

Page 4: ... machine when you are working on it Step 2 Remove top cover We need to remove 3 screws on the back of the laptop Circled These are 2 on the left Fig 1 and 1 on the right Fig 2 Fig 1 Fig 2 After removing the screws turn the laptop over and open up the screen until it is flat with the laptop You can now lift up the top plastic cover which has the power and Acer buttons embedded in it This should lif...

Page 5: ...st undo the 2 screws circled in Fig 3 After this it is a case of manipulating the keyboard tray until it come out The tray has tabs that hold it in place along the bottom and also half way up along the sides These are circled in red on Fig 4 Fig 4 Alignment Tabs Ribbon Cable ...

Page 6: ...in I left it plugged in as you can easily turn the keyboard upside down and rest it on the laptop body If you need to replace the keyboard now is the time to do it Fig 5 Fig 5 shows the laptop with the keyboard resting on it Step 4 Remove the CD DVD tray retaining screw The retaining screw is circled in Fig 5 This step is as simple as removing that screw Step 5 Sliding out the CD DVD tray Sliding ...

Page 7: ...ut you can either put in a new one or repair the one you have If you are putting in a new drive you will need to take off the black plastic that surrounds the CD DVD tray as this acts as the support There are 6 screws to undo These are shown in Figs 7 8 and 9 Fig 7 Fig 8 Fig 9 ...

Page 8: ... drive with a new one you can now attach the plastic support and bezel to the new tray and follow the steps backwards If you want to take the drive apart further read on Step 7 Taking the CD DVD tray apart I decided to take mine apart to have a look First remove the 3 screws shown in Fig 10 Fig 10 Next you slide the top metal cover to the right slightly about 5mm and then hinge the top metal cover...

Page 9: ...cover so that it gave a tighter fit and re assembled If you want to take the CD DVD tray apart further you will either need to go ahead and take out some screws etc and write a guide while you are at it or find another guide which covers taking these things apart ...

Page 10: ... fully remove as they are held in by screw retainers Unscrew and remove the top screw Fig 12 Step 2 Remove Cover Lever the cover off from the bottom end You might have some trouble getting it to unhook at the top Just move it around until it comes off Step 3 Remove fan cover screws There are 4 very small screws holding the internal fan cover on Shown in Fig 13 Undo and remove these ...

Page 11: ...Fig 13 Step 4 Time to Clean You can now lift back the lid of the internal cover and use a canister of air or any other method of cleaning the fan Fig 14 ...

Page 12: ...will not fully come out of the cover as they are held in by retaining clips Fig 15 Step 2 Remove Cover Lever the cover off from the bottom There are tabs halfway up which need to be released I found the best way to do this is to run a finger along under the edge of the cover Once these are released it is quite easy to slip the cover out ...

Page 13: ...n in Fig 16 Fig 16 To remove the module from its clip push the two retaining clips outwards The Wireless Module will pop up and can be easily removed from its holder Be careful for the antenna wire which still is attached to the main body Retaining Clips ...

Page 14: ...t fully come out of the cover as they are held in by retaining clips Fig 15 Step 2 Remove Cover Lever the cover off from the bottom There are tabs halfway up which need to be released I found the best way to do this is to run a finger along under the edge of the cover Once these are released it is quite easy to slip the cover out ...

Page 15: ... the laptop there will be either one or two RAM modules They are both removed in the same way Fig 17 shows what is under the cover The RAM modules are circled in red My laptop has two modules and they overlap each other Fig 17 ...

Page 16: ...e RAM module retaining clips are circled in Fig 18 The left pair are for the top module and the right pair are for the bottom module Step 5 Inserting New RAM To install new RAM slide the contacts into the RAM slot with the RAM angled slightly upwards Press down until the retaining clips spring into place There should be an audible click when this happens Step 6 Reassemble Put everything back toget...

Page 17: ...ber 2007 Any and all content is the property of the above All included photos were taken by myself and the entire guide written by myself No information was taken from other sources Feel free to distribute this document however please do not charge money for it ...

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