Question about HP Compaq Presario Cq60-305ea Notebook Pc 2100 MAmd Sempron 1024

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Presario cq60 does not turn on!!

Hello there...i have god 3 years old Hp Presario cq60 got no idea whats wrong with it...some times work fine and then sudden shutdown and when i try to turn it on again just flash led lights on for second and thats it..no bios screen no fan nothing at all...tried to change Cmos Battery and still same...did change Memory RAM and still same. anyone got any ideas and help please?! Thanks

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  • joecoolvette
    joecoolvette Nov 08, 2012

    I assume you cleaned the inside of the laptop out, to include the finned Heatsink? You should also look at the Thermal Paste on the Processor, and graphics chipset. (Probably a 'shudder' Thermal Pad) This should also be replaced while you're in there. I believe your problem is a bad Power MOSFET, or more than one. Could be bad Ceramic Capacitors for the P.MOSFET's also. Using HP Pavilion DV6000 series, and Pavilion dv9000 series Notebook PC's, as an example,http://mayohardware.blogspot.com/2010/04... Also: I hope you have been following Anti-Static Precautions, and are using an ESD wrist strap, connected to a good ground source. (Electro Static Discharge) Average cost is around $3 to $6.

  • Karim Hassan
    Karim Hassan Nov 09, 2012

    That was funny...i mean when you sent me your comment..i was opening that laptop for first time and YES ur right...and i was guessing so too...its the Thermal PASTE...it was Done and hardly found any paste at all...all gone...just small hard bits...put new Paste and yes its working now . THANK YOU ALL

  • joecoolvette
    joecoolvette Nov 09, 2012

    You're welcome. I should have worded that differently, huh? Check Thermal Paste, then post back in a Comment, lol! (P.S., not to detract from the additional solutions, but they are Suggested Solutions, from years ago. In this matter tey are simply Generic solutions, and have no real bearing on this specific problem)

  • Karim Hassan
    Karim Hassan Nov 09, 2012

    Lol...was just going to bed now..with all respect to them yes i tried all that already...its common sugg. the only thing its i hate opening hp laptops...too much really...and your comment exactly the last thing i was going to try in that laptop and yes i did it while u were commenting the case . by the way the thermal pad was ok and think same...it was only the paste was done really..do not know how old is this lap..but maybe 5 years...very strange. thanks again Joe and nice to meet ya here : }

  • Karim Hassan
    Karim Hassan Nov 10, 2012

    Hello Guys...i think i did work ot out...i did open the laptop and it was not dusty inside...BUT there was NO THERMAL PASTE at all. i made mistake that i did not try the motherboard just right away before i did add new PASTE so i can confirm it was the paste problem but i did try after and it was working fine and flashing led lights bcoz there were no RAM and CMOS battery for sure.
    thanks for your help.

  • Karim Hassan
    Karim Hassan Nov 14, 2012

    GREAT news .... laptop work fine for 5 days and then guess what .....???????? its back again to shutdown itself and sumtimes do not even start up...i have tried everything...nothing work...i believe HP Compaq the worst laptop ever seen. any last words plz add here.

  • joecoolvette
    joecoolvette Nov 14, 2012

    Let me go back to a statement you made Karim, if I may; "by the way the thermal pad was ok and think same",.......Was the Thermal Pad on the graphics chipset? At any rate, did you peel the Thermal Pad off, and scrape with a plastic device? Such as a plastic old credit card, or similar? Performed this on the Processor too, correct? All old thermal paste, and thermal pad should be removed. A Thermal Pad cannot be reused. Then follow with Q-tips dipped in Isopropyl alcohol. (Rubbing alcohol) 91 percent is best, but 70 percent will do. [ CAUTION!! Isopropyl alcohol is EXTREMELY FLAMMABLE! Use in a WELL ventilated area with NO sparks or flames present! ] Takes a LOT of alcohol soaked Q-tips. Top of Processor, and top of graphics chipset, must be clean enough you virtually could eat off of them. Thermal paste needsw to be PROPERLY applied. Note* Thermal paste that contains real silver. Silver is an excellent conductor of Heat. It is also an excellent conductor of ELECTRICITY. If too much is applied, when the Processor reaches operating temperature the excess will ooze off. It will then ooze down onto unprotected Processor contact pins, (Or Processor socket contact pins), and short the processor/motherboard out. Can also ooze down onto unprotected solder joints.http://www.hardwaresecrets.com/article/2... The small flat plate on the copper Cooling Tube, must sit FLAT on the top of the Processor. Same with the small plate on top of the graphics chipset.

  • joecoolvette
    joecoolvette Nov 14, 2012

    1)http://h10025.www1.hp.com/ewfrf/wc/manua... 2)http://h10032.www1.hp.com/ctg/Manual/c02... This is why the four screws for the Thermal Cooling Module, need to be tightened in a crisscross pattern, and evenly tightened down. If you remove the Thermal Cooling Module, (Fan/Heatsink Assembly), and without a Thermal Pad on the graphics chipset's small metal plate, (Fan/Heatsink Assembly), there is too much space. You'll have to get another thermal pad then, BUT also use thermal paste with it. (A Processor and a graphics chipset, are the two hardware components that give off the most heat) We never did discuss; you did clean the Heatsink fins out, and Fan Assembly, correct? Shouldn't have to ask, just covering all bases. (Old baseball term)http://www.ebay.com/itm/COMPAQ-HP-G50-G6... Scroll to bottom for large photo of Fan/Heatsink Assembly.http://www.ebay.com/itm/Compaq-Presario-... There are two fan/heatsink assembly numbers listed, in the Service Manual. (Illustrated parts catalog in Service Manual, page 25) The 489126-001, and the 489154-001. Both examples show a small plate that sits on top of the graphics chipset. (At end of copper Cooling Tube) This small plate's - surface area, looks too small. Allows the graphics chipset to overheat. When a graphics chipset is repeatedly overheated, the solder joints made for it's BGA surface mount, start to partially melt. The re-solidify when the laptop is turned off, and cools down. This makes Cold Solder Joints. A problem that HP Pavilion dv2000, Pavilion dv6000, and Pavilion dv9000 series Notebook PC's have. You may want to use some copper sheeting, and increase the surface area. An example using Pavilion dv6000 series of Notebook PC. The tech has more videos on this. Pavilion dv2000, and pavilion dv9000, also,http://www.youtube.com/watch?v=JEpnqhRYG... Clean the gold plated contact pins of the Ram Memory module/s, with a pencil eraser. Use air to remove the eraser dust,http://en.wikipedia.org/wiki/File:1GB_DD...

  • joecoolvette
    joecoolvette Nov 14, 2012

    Showing more about the Ball Grid Array surface mount, using a BGA Rework Station video,http://www.ersa.com/art-ir-pl-650-346-14... Scroll down a little, click on the Red - Take a few minutes to view the IR 650 demo video

  • Karim Hassan
    Karim Hassan Nov 14, 2012

    Hello Joe...to be honest i did not peel the thermal pad off...just by accident ripped the edge but i did try to put it back again and seem ok that day, and yes it was on the graphics chipset. No i did not scratch any thing with plastic old card or sumthing...was just soft tissue..and yes i forgot that i`ve got alcohol wipes :/ BUT if too much paste applied on processor and it did ooze down...is it just need clean or it means more damage cannot be fixed ???!!!!!!!????

  • Karim Hassan
    Karim Hassan Nov 14, 2012

    Is that mean...i can use thermal pad and thermal paste on top of it ???????????

  • joecoolvette
    joecoolvette Nov 14, 2012

    Too much thermal paste just clean. Hopefully no damage. Alcohol wipes? No my man. Use Q-tips dipped in Isopropyl alcohol. (Rubbing alcohol) The object is not to scratch. That is why a plastic old credit card is used. Man,....I really wouldn't use that old Thermal Pad. It contains thermal paste. Thermal paste dries up, as you have seen. It also looses it's thermal conductivity properties over time, and repeated heating. That Thermal Pad is junk, Karim.http://www.amazon.com/Gino-Heatsink-Ther... Cut size you need. You have any old 'Mom and Pop' type computyer stores around you? They should sell a small piece cheap. Yes...NEW thermal pad, and thermal paste.

  • joecoolvette
    joecoolvette Nov 14, 2012

    Hello from the central USA

  • Karim Hassan
    Karim Hassan Nov 14, 2012

    Hello man.. from freezing north of UK..far away from ya and thats why maybe i do not know about this store u have mentioned . i meant small soft pieces of wipes full of Isopropyl alcohol 70% .. or it must be Q-tips ??!!! Sorry i`m not that good with hardware and i did not know that i had to replace that pad...but now i did order 2...just hope its thick enough or i will double it..do not know..but may i add paste on top of that pad?? do i need to add pad also on top of processor or paste just enough i think?!?

  • Karim Hassan
    Karim Hassan Nov 15, 2012

    Sorry i did ask twice about using pad and paste on graphics chip..i got it now.

  • Karim Hassan
    Karim Hassan Nov 15, 2012

    Hello Joe man...hope u having good morning there..its afternoon here. My english not that good so forgive my english and my eng grammer. Just noticed that you want me to use COPPER SHIM pads which is METAL instead of old thermal pad which is SOFT and contains thermal paste. Yes i did order those shims..waiting them..i think it will be bigger surface..i hope..waiting that silver paste too..maybe its better than white cheap one i got . And i do not think now that proc. will need copper pad as heatsink on top of it got copper part as i remember So when arrival happens need to reopen lap again...Remove that soft old pad clean over pro and graphics well plus heatsink and fan let it dry THEN apply new thermal paste -not too much again- and copper shim and hopefully again i put heatsink on top in right position and tighten it right way. THANKS very much Joe for all this big helps and steps...videos and links...that was really very generous of you .. appreciated alot man. will catch ya later OK? c ya

  • joecoolvette
    joecoolvette Nov 15, 2012

    K c ya Karim!

  • Karim Hassan
    Karim Hassan Nov 16, 2012

    It is Thermal paste and thermal pad problems as far as i see inside the laptop.

  • joecoolvette
    joecoolvette Nov 16, 2012

    Ya know you're gonna need a piece of thermal pad to fit the graphics chipset, plus the copper shim, correct? Thermal pad makes up the difference in thickness. (Heatsilk? Corn silk?)

  • Karim Hassan
    Karim Hassan Nov 16, 2012

    Hello Joe...sorry for bothering you again and again...i got confused now...Do i have to use New thermal pad like the old one there on graphics chipset already Plus copper shim ???? OR Copper shim with silver thermal paste/grease will be just enough on the chipset ??!!! wats better u think man??!! I was going to use COPPER SHIM with that SILVER paste i`ve got today. my last comment was not supposed to be written here LOL...it meant to be another place but clicked sumthing wrong. sorry.

  • Karim Hassan
    Karim Hassan Nov 17, 2012

    Hello again....what u think about this Joe >>http://cgi.ebay.co.uk/ws/eBayISAPI.dll?V... << ??!! just tape..no paste in it..does it work with Copper or paste better ?

  • Karim Hassan
    Karim Hassan Nov 21, 2012

    Hello again.....i did open lap again...remover old thermal pad..old new paste...clean...new silver thermal paste..not too much at all...just wipe so it does not ooze down anywhere...plus copper shim on gra. chipsetwith touch of silver paste on sides everything great...Now lap again back to shutdown itself after 3 to 5 minutes and i`m really FED UP !

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  • Expert
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May be overheat - clean heatsilk resolder processor

Posted on Nov 14, 2012

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