1	PC Maintenance & Troubleshooting
2	PC Maintenance BACK UP YOUR DATA !!!!!!! Patch Tuesday – 2nd Tuesday of each month Virus Update & Scan Heat exhaust & cooling fans Canned Air, a tech’s best friend Disk Cleanup Uninstalling unused programs Defragment Hard drive Defraggle the Motherdisc (http://www.datadocktorn.nu/us_frag1.php) Monitor Refresh Rate
3	Troubleshooting No Power No Display Slow Computer Software & Viruses Lock Ups Slow Internet No Internet Pop-ups & Alerts Networking
4	My Computer is Dead!
5	Not Powering On
6	Not Powering On Surge protector or battery backup may have a built-in circuit breaker and may need to be reset.
7	Side Note: Power Loss Loss of electrical power to the computer can cause it to not boot until power cord is removed and reseated. Some computers are set to automatically restart when power is restored, some are not. Power loss may cause PC to perform disk check when power is restored. Let it finish.
8	Windows CHKDSK
9	Not Powering On Check for lights on tower and on keyboard. Try to open the CD-ROM tray.
10	Not Powering On Are there any fans running?
11	Power On, No Video Display Try a different monitor if you have a spare.
12	Slow Computer
13	Slow Computer How much memory do I have? +
14	System Properties - Memory
15	Slow Computer Is the antivirus running a scan at startup?
16	Slow Computer Wallpaper
17	Slow Computer How many programs are starting? (Hint: look at taskbar for multiple icons near time clock)
18	Slow Computer Have you installed any new software?
19	Software & Viruses
20	Before you install…
21	Is It Safe?
22	Malware • Worms • Trojan Horses • Computer Viruses • Rootkits • Spyware • Dishonest Adware • Crimeware • And other types of malicious programs
23	Antivirus
24	Pop-ups & Alerts Fake Virus Scanners & Alerts
25	Pop-ups & Alerts ActiveX
26	Locked Up An easy way to determine if your computer is in this situation is by pressing the Num Lock button on the keyboard and watching the Num Lock led (light) to see if it turns off and/or on. Ctrl-Alt-Del (task manager) Hold in power button
27	How Many Programs Are Open?
28	Disk Space & Swap File If its all blue, you will be too…
29	Slow Internet What is your homepage? Have you cleared your browser cache recently? How many patrons are playing Runescape or watching YouTube videos? http://speedtest.connectkansas.org/ Is every site that you go to loading slowly? What time of day is it occurring?
30	Slow Internet How many toolbars are installed?
31	Too Many Toolbars!
32	Add-Ons, Crashes, Hangs Multiple pop-up blockers (IE, Google) If IE crashes, the most likely problem is that there's a buggy add-on (Toolbar or Browser Helper Object). Start > Run > iexplore.exe -extoff Tools > Manage Add-ons Update FlashPlayer & Java http://get.adobe.com/flashplayer/ http://www.java.com/en/
33	No Internet Can anyone else get online? Restart PC
34	No Internet Cable Unplugged
35	No Internet Indicator Lights
36	No Internet Check Router Check Switch
37	Juniper Router – Power Switch
38	The Mysteries of Networking LAN, WAN, WLAN IP Addresses The command prompt (Win-R, cmd) IPCONFIG Private (LAN) IP Ranges 10.0.0.0 – 10.255.255.255 172.16.0.0 – 172.31.255.255 192.168.0.0 – 192.168.255.255 NAT (Network Address Translation) Public (WAN) IP’s (www.whatismyip.com) SWKLS server: http://70.183.133.67 DHCP vs. Static 169.xxx.xxx.xxx.xxx : cannot find a DHCP server (Link-Local) DNS
39	Troubleshooting Steps – Before You Call For Help PC Won’t Power On Check cables Check surge protector Check battery backup Remove & reseat power cord Check for keyboard lights Check for running fan(s) Try CD-ROM tray No Video Display Check monitor cable Check monitor power Try a different monitor
40	Troubleshooting Steps – Before You Call For Help Slow Computer Memory (Win+Pause) Is antivirus running? Wallpaper Running Programs New software Lock Up - Recovery Numlock light CTRL-ALT-DEL Hold Power Button How many open programs? Disk space
41	Troubleshooting Steps – Before You Call For Help Slow Internet How many toolbars? Any new Add-ons? Run IE with no add-ons Clear cache Is it just you? Is it every site? Speed Test No Internet Can anyone else get online? Try a different site Cable unplugged? Check router, switch Restart PC
42	Quick Reference: Useful Tools & Tips System Properties: Win + Pause\|Break Start > Run > msconfig (WARNING !!!) Task Manager: CTRL-SHIFT-ESC Switch between open windows: ALT-TAB http://speedtest.connectkansas.org Resize browser text: CTRL+ / CTRL- Command Line: Win + R, cmd <enter> IE No Add-ons (command line): iexplore.exe -extoff Network Properties (command line): ipconfig DNS Lookup (command line): nslookup <site name>