Cleaning fans, heat sink, and inside computer
Critical components inside your computer system are cooled by fans. The heat sink absorbs and dissipates heat. When dust builds up on the fans and heat sink, it creates a blanket effect, causing components to overheat, leading to poor system performance, automatic shutdown, or early part failure.
Refer to your Upgrading and Servicing Guide to remove parts and access the inside of your computer.
1Ensure the computer is off and unplugged.
2Remove the left side of the computer.
3Remove all the hard disk drives (C), and use compressed air to remove dust from the fan on the left of the disk drive area (the fan is visible only when the drives are removed).
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6Blow off the dust from all other fans.
7Vacuum all bottom surfaces on the computer inside.
Cleaning the keyboard and mouse
When cleaning the keyboard keys, use a low setting on the
1Vacuum between the keys of the keyboard and along the grooves.
2Use a clean, dry cloth and isopropyl alcohol to clean buildup on the keyboard keys and along the keyboard edges.
3Wipe the body of the mouse and the mouse cord with cleaning wipes or a cloth and cleanser.
If you have a rollerball mouse, clean the ball and rollers inside:
1Turn the mouse upside down.
2Rotate the
3Rinse the roller ball with soap and warm water.
4Clean the rollers inside the mouse with a cotton swab dampened with isopropyl alcohol.
5After the roller ball and rollers are completely dry, replace the ball and
Running the Disk Cleanup Program
The Disk Cleanup software program frees up space on your hard disk drive by removing temporary and unused files (including temporary Internet files and files in the Recycle Bin). Either run Disk Cleanup manually, or set it up to run automatically.
Manual disk cleanup
1Click the Windows Start Button, All Programs, Accessories, System Tools, and then click Disk Cleanup.
Disk Cleanup searches for files to delete and calculates how much disk space can be saved.
2Place a check mark in the check box next to the file types you want to delete.
3Click OK, and then click Delete Files to finish deleting the selected files.
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